Split · Month comparison

December vs September

September ranks #1 overall vs December at #11. Croatia's best-kept secret: June-quality weather, dramatically lower crowds, moderate prices.

Split December — the old town seen from the water, moody and quiet under winter skies, the off-season Adriatic

December

#11 of 12 months

Avoid

Very quiet and cold — Christmas atmosphere in the old town, but fundamentally the off-season.

  • ↑Budget prices: hotels and apartments at minimum rates
  • ↑Christmas decorations and a small advent market add atmosphere to the Peristyle and Riva
Split September — aerial view of Split's red-tiled rooftops and cathedral bell tower with the mountains and Adriatic beyond

September

#1 of 12 months

Best match

Croatia's best-kept secret: June-quality weather, dramatically lower crowds, moderate prices.

  • ↑26°C and sea at 25°C — same conditions as June but with a fraction of the crowds
  • ↑Diocletian's Palace navigable at all hours without July's overwhelming pressure
FactorDecemberSeptember
Weather score
2
9
Value score
10
5
Crowd score
10
5
Events score
4
6
Atmosphere
3
9
Avg high temp11°C26°C
Monthly rain95mm67mm
Daily sunshine3.5hrs8hrs

December trade-offs

  • ↓Only 3.5 sunshine hours daily: the darkest and shortest days of the year
  • ↓95mm of rain: December is wet with persistent grey skies
  • ↓Very limited tourism infrastructure — many restaurants and attractions closed

September trade-offs

  • ↓First autumn rains returning: 67mm — some September afternoons turn wet unexpectedly
  • ↓Early September still relatively busy; the significant drop comes in mid-to-late September
  • ↓Island ferry frequencies beginning to reduce from summer maximums
See all 12 months for Split →December in detail →September in detail →
Scores compare months within Split. Climate data: Open Meteo ERA5 30-year normals (1991–2020). Methodology →