Algarve · Month comparison

April vs September

September ranks #1 overall vs April at #3. The golden month — 28°C, sea at its warmest, families back at school.

Algarve coastline in April with calm sea and clear skies

April

#3 of 12 months

Best match

Pre-summer sweet spot — 21°C, light winds, golf and hiking both possible.

  • ↑21°C, dry afternoons, no school-holiday crowds (most years)
  • ↑Tavira and Olhão markets at peak seasonal produce
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
FactorAprilSeptember
Weather score
8
10
Value score
8
6
Crowd score
8
6
Events score
6
7
Atmosphere
9
10
Avg high temp21°C28°C
Monthly rain40mm18mm
Daily sunshine8hrs9hrs

April trade-offs

  • ↓Easter week can fall here — 30-40% price spike
  • ↓Sea at 17°C — wetsuit territory still

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 →April in detail →September in detail →
Scores compare months within Algarve. Climate data: Open Meteo ERA5 30-year normals (1991–2020). Methodology →