Algarve · Month comparison

October vs September

September ranks #1 overall vs October at #5. The golden month — 28°C, sea at its warmest, families back at school.

October light on the Algarve coast with mild seas

October

#5 of 12 months

Best match

Sea still 22°C in first half — couples-only beach reset.

  • ↑First two weeks still beach weather; second half good for golf and hikes
  • ↑Algarve International Music Festival continues
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
FactorOctoberSeptember
Weather score
8
10
Value score
8
6
Crowd score
8
6
Events score
6
7
Atmosphere
9
10
Avg high temp24°C28°C
Monthly rain55mm18mm
Daily sunshine8hrs9hrs

October trade-offs

  • ↓55mm rain in first proper autumn storms
  • ↓Surf swell now strong — west coast not for casual 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 →October in detail →September in detail →
Scores compare months within Algarve. Climate data: Open Meteo ERA5 30-year normals (1991–2020). Methodology →