Algarve · Month comparison

March vs September

September ranks #1 overall vs March at #7. The golden month — 28°C, sea at its warmest, families back at school.

Spring wildflowers on the Rota Vicentina coastal trail

March

#7 of 12 months

Best match

Hiking peak — Rota Vicentina cliffs at their greenest and coolest.

  • ↑Rota Vicentina coastal hike (Aljezur to Sagres) at perfect 19°C
  • ↑Sagres cliffs covered in wildflowers; whale-watching season begins
September warm light on Algarve cliffs

September

#1 of 12 months

Best match

The golden month — 28°C, sea at its warmest, families back at school.

  • ↑Sea at 23°C (warmer than July), light winds, prime kayak/SUP weather
  • ↑Med Cup sailing in Vilamoura early September
FactorMarchSeptember
Weather score
7
10
Value score
9
6
Crowd score
9
6
Events score
5
7
Atmosphere
8
10
Avg high temp19°C28°C
Monthly rain50mm18mm
Daily sunshine7hrs9hrs

March trade-offs

  • ↓Easter week can spike prices (changes year-on-year)
  • ↓Sea at 16°C — only for cold-water swimmers

September trade-offs

  • ↓Atlantic surf swell starts building late month — west-coast beaches roughen
  • ↓First small storm typically rolls in around 25-30 September
See all 12 months for Algarve →March in detail →September in detail →
Scores compare months within Algarve. Climate data: Open Meteo ERA5 30-year normals (1991–2020). Methodology →