Algarve · Month comparison

September vs August

September ranks #1 overall vs August at #12. The golden month — 28°C, sea at its warmest, families back at school.

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
Packed Albufeira beach in peak August

August

#12 of 12 months

Worth considering

Portuguese national holiday month — Lisbon and Porto empty into the Algarve.

  • ↑Sea at 23°C, peak warmth
  • ↑MEO Sudoeste festival nearby Zambujeira do Mar
FactorSeptemberAugust
Weather score
10
8
Value score
6
1
Crowd score
6
1
Events score
7
8
Atmosphere
10
6
Avg high temp28°C31°C
Monthly rain18mm2mm
Daily sunshine9hrs12hrs

September trade-offs

  • ↓Atlantic surf swell starts building late month — west-coast beaches roughen
  • ↓First small storm typically rolls in around 25-30 September

August trade-offs

  • ↓15 August Assumption holiday peaks pricing across all of Iberia
  • ↓A22 gridlock; beach parking £8+ at major cliffs
See all 12 months for Algarve →September in detail →August in detail →
Scores compare months within Algarve. Climate data: Open Meteo ERA5 30-year normals (1991–2020). Methodology →