Iceland September — aurora borealis shimmering over a calm mountain lake with the season's first northern lights reflected in the water
Iceland May — purple Nootka lupine flowers blooming across the coastal hillside at Dyrhólaey with the Atlantic behind
Iceland February — aurora borealis glowing alongside moon and Venus above a snowy Icelandic landscape
Iceland March — aurora borealis over mountain silhouettes and clouds reflected in Álftavatn lake at the vernal equinox
Iceland January — green aurora borealis exploding over a snowy mountain landscape in Thórsmörk
Iceland October — silhouetted figure beneath a wing-shaped aurora borealis over the Westfjords night sky
Iceland April — Seljalandsfoss waterfall cascading through a vivid green spring valley with snow-capped peaks behind
Iceland November — aurora borealis lighting up Markarfljótsgljúfur canyon with distant city glow on the horizon
Iceland December — vivid aurora borealis dancing across a deep winter night sky over the Icelandic landscape
Iceland June — Seljalandsfoss waterfall in full summer flow with dramatic stormy clouds and midnight-sun light
Iceland August — Seljalandsfoss waterfall in golden warm-season light with lush green hillsides
Iceland July — Skógafoss waterfall thundering into a vivid green summer valley at dawn

Showing: Sep · Jonatan Pie / Unsplash

Iceland · Northern Europe

Best time to visit Iceland

September

Sep scores highest overall — manageable crowds and strong local atmosphere. Set your priorities below to personalise this result.

All 12 months — click any to expand

Iceland September — aurora borealis shimmering over a calm mountain lake with the season's first northern lights reflected in the water

Sep

Best

Aurora returns, autumn colours explode, crowds drop — the most atmospheric month in Iceland.

10°C

High

67mm

Rain

8.5h

Sun

  • Aurora borealis returns from early September as nights grow long enough — first sightings of the new season
  • Autumn colours (yellows, reds, oranges across the highlands) peak in September — uniquely photogenic landscapes
  • Reykjavik Marathon (mid-September); crowds significantly lower than July–August, prices 25–30% below peak
  • Temperatures drop quickly (10°C high); warm layers essential and weather windows shorter
  • Highland F-roads closing progressively through September — some interior routes blocked by late month
  • Aurora is back but not yet at winter frequency — nights still shorter than January–March
Best
Good
Trade-off
Avoid

Top travel windows

Iceland September — aurora borealis shimmering over a calm mountain lake with the season's first northern lights reflected in the water
★ Best

September

Best overall

Highest combined score

Weather
6
Value
6
Crowds
7

10°C

High

67mm

Rain

8.5h

Sun

Iceland January — green aurora borealis exploding over a snowy mountain landscape in Thórsmörk

January

Best for value

Lowest prices & fees

Weather
3
Value
9
Crowds
9

2°C

High

76mm

Rain

4.5h

Sun

Iceland February — aurora borealis glowing alongside moon and Venus above a snowy Icelandic landscape

February

Fewest crowds

Quietest month

Weather
3
Value
8
Crowds
9

3°C

High

72mm

Rain

6.1h

Sun

Breakdown by priority

Best for weather

July

14°C high · 52mm rain · 12.8hrs sun/day

Full breakdown →

Best for budget

January

Prices 40–50% below peak summer rates; guesthouses and car hire at cheapest of the year

Full breakdown →

Fewest crowds

February

Lowest crowd levels of the year; tours and attractions at minimal capacity

Full breakdown →

Also exploring

Where to stay in Iceland

All neighbourhoods →
See all neighbourhoods in Iceland

Worth knowing

September scores highest overall. July is the most crowded month — avoid if you can. See crowd-free ranking →

Month by month breakdown

January
#5

Gains

  • Aurora borealis visible every clear night with only 4–5h of daylight — no other month offers more darkness
  • Crowds at annual lows: Golden Circle, Seljalandsfoss, and Geysir almost entirely to yourself
  • Prices 40–50% below peak summer rates; guesthouses and car hire at cheapest of the year

Sacrifices

  • Only 4–5 hours of usable daylight sharply limits sightseeing time
  • Cold and icy road conditions require a 4WD; highland F-roads completely closed
  • Clear skies (essential for aurora) are far from guaranteed — cloud cover is frequent
February
#3

Gains

  • Reykjavik Winter Lights Festival (mid-Feb): free outdoor light installations across the city for 4 nights
  • Days visibly longer than January (6.1h sunshine) — aurora still reliable on clear nights
  • Lowest crowd levels of the year; tours and attractions at minimal capacity

Sacrifices

  • Still cold and icy; wind chill makes -2°C feel significantly colder
  • Roads across the interior completely closed; Westfjords and Highlands inaccessible
  • Aurora requires patience and clear skies — expect cloud-watching as much as light-chasing
March
#4

Gains

  • Equinox effect amplifies geomagnetic activity — statistically some of the best aurora conditions of the year
  • Snow remains on the highlands and mountains; dramatic white landscapes without December darkness
  • Crowds beginning to recover from January lows but still far below summer — Golden Circle manageable

Sacrifices

  • Temperatures still cold and variable; snow and ice on secondary roads remain hazardous
  • End of March marks the practical end of aurora season as nights become too short
  • Rainfall slightly lower than winter but weather unpredictability remains high
April
#7

Gains

  • Puffins arrive at Látrabjarg cliffs and Westfjords from late April — first chance for puffin watching
  • Spring thaw makes landscapes dramatic: waterfalls at high flow, snow on peaks, green valleys emerging
  • Longest aurora-free days without summer price premium; good value with 9.5h sunshine

Sacrifices

  • Aurora season is over — nights are now too short and too bright for sightings
  • Snow melt makes gravel F-roads muddy and largely inaccessible; highland access still blocked
  • Weather remains unpredictable: sleet, wind, and sun can all occur on the same day
May
#2

Gains

  • Nootka lupine fields beginning to bloom across the south (peak in June): purple carpets against volcanic black sand
  • Near-midnight sun by late May: 20+ hours of light without peak July crowds or prices
  • Puffins active along the Westfjords and Snæfellsnes peninsula; birdlife at its most diverse

Sacrifices

  • F-roads (highland interior) not yet opened by the road authority — Landmannalaugar inaccessible
  • Temperatures still cool (10°C high) — not a beach destination in any sense
  • Some tourist infrastructure still on reduced winter schedules in early May
June
#10

Gains

  • Midnight sun: the sun barely sets at summer solstice (Jun 21) — surreal 2am photography in full light
  • Secret Solstice music festival (mid-June): international acts on a glacier and inside a volcano
  • All highland F-roads now open: Landmannalaugar, Þórsmörk, and the interior accessible for the first time

Sacrifices

  • Accommodation prices peak — budget options in Reykjavik at their most expensive of the year
  • Crowds building fast: Golden Circle and Blue Lagoon noticeably busy, key spots requiring advance booking
  • No aurora is possible — nights never get dark enough for sightings until late August at the absolute earliest
July
#12

Gains

  • Warmest temperatures of the year (14°C): most comfortable conditions for hiking and outdoor activities
  • All roads and trails fully open: full Laugavegur Trail, Fimmvörðuháls, and Kjölur highland route accessible
  • Puffins at maximum numbers at Westman Islands — largest puffin colony in the world fully active

Sacrifices

  • Peak prices across the board: accommodation, car hire, tours, and flights all at annual maximums
  • Most popular sites — Seljalandsfoss, Skógafoss, Jökulsárlón — crowded throughout the day
  • No aurora whatsoever; midnight sun means the sky never darkens
August
#11

Gains

  • Reykjavik Pride (first week of August): the largest per-capita Pride celebration in the world; parade fills the city
  • Warmth of July continues with slightly lower prices and crowds as the season shoulders off
  • First aurora sightings can occur late August as nights begin to darken — a rare chance to see both midnight sun and aurora in one trip

Sacrifices

  • Still expensive: summer premium persists through August, flights especially costly
  • Highland F-roads begin to close again from late August — window for interior driving narrows
  • Rainfall increases (62mm vs 52mm in July) — weather becomes more changeable toward month end
September
#1

Gains

  • Aurora borealis returns from early September as nights grow long enough — first sightings of the new season
  • Autumn colours (yellows, reds, oranges across the highlands) peak in September — uniquely photogenic landscapes
  • Reykjavik Marathon (mid-September); crowds significantly lower than July–August, prices 25–30% below peak

Sacrifices

  • Temperatures drop quickly (10°C high); warm layers essential and weather windows shorter
  • Highland F-roads closing progressively through September — some interior routes blocked by late month
  • Aurora is back but not yet at winter frequency — nights still shorter than January–March
October
#6

Gains

  • Aurora season well established with long dark nights — multiple sighting opportunities per week on clear nights
  • Prices 35–40% below summer peak; car hire and accommodation at genuinely competitive rates
  • Very low tourist volumes: waterfalls, geothermal pools, and coastal roads largely uncrowded

Sacrifices

  • Wettest month of the year (86mm) — rain and wind frequent; outdoor plans require flexibility
  • Short days (5.8h sunshine) limit sightseeing hours; landscape photography window narrow
  • Most F-roads and highland routes fully closed for the season
November
#8

Gains

  • Aurora windows increasing as nights approach their longest — multiple sighting chances per week
  • Cheapest month for accommodation and flights after the October dip
  • Genuine winter Iceland atmosphere with almost no other tourists at key sites

Sacrifices

  • Only 3.5 hours of sunshine daily — sightseeing is severely restricted; what you see you see in the dark
  • Cold and wet: wind chill, ice, and heavy rain make outdoor time challenging
  • Limited tourism services: some guesthouses, tour operators, and restaurants on reduced winter hours
December
#9

Gains

  • Reykjavik Christmas: festive markets, 13 Icelandic Yule Lads visiting through December, cosy bar and restaurant scene
  • New Year's Eve bonfire-and-fireworks tradition unlike anywhere in Europe — entire city lights up simultaneously at midnight
  • Aurora borealis on virtually every clear night — darkest month gives maximum sighting potential

Sacrifices

  • Christmas and New Year weeks drive prices up sharply — not the budget-friendly rates of October–November
  • Only 2.2 hours of sunshine at the solstice: the darkest you will ever experience anywhere in Europe
  • Popular New Year accommodation books out months in advance; last-minute options limited

How this is calculated

Climate data

Open Meteo ERA5

30-year normals (1991–2020). Temperature, rainfall, sunshine, humidity.

Price & crowd

Tourism research

Seasonal pricing from tourism authority data. Directional — compares months within a destination only.

Personalisation

Weighted scoring

Your priorities change the weights. Budget-first users get different results than weather-first users.

Full methodology →

Share this result

September is the best time to visit Iceland

The best time to visit Iceland is September. Scored by weather, value & crowds — not guesswork. Check yours at WhenVerdict: https://whenverdict.com

Travel timing updates

New destinations and timing guides, when they land.

No spam. Unsubscribe anytime.