Guia weather in September 2025

Expect 79°F daytime maximum temperatures in the shade with on average 9 hours of sunshine per day in Guia in September. Check more long-term weather averages for Guia in September before you book your next holiday to Algarve in 2025/2026.

  • 79°F maximum daytime temperature in September in Guia79
    79°F max day temperature
  • 9 hours of sunshine per day
  • 2 days with some rainfall in September in Guia2
    2 days with some rainfall
  • 63°F minimum night-time temperature in September in Guia63
    63°F min night temperature
  • 12 hours of daylight per day in September in Guia12
    12 hours of daylight per day
  • Low heat & humidity in September in GuiaL
    Low heat & humidity
  • 0.6 inches monthly rainfall in September in Guia0.6
    0.6 inches of monthly rainfall
  • UV (maximum) index 7 (High) in September in Guia7
    7 (High) UV index
  • 68°F sea temperature in September in Guia68
    68°F sea temperature

More about the Guia

Guia by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for the Algarve

Jet2holidays: up to £60pp off 2024/2025 holidays

  • Save up to £60 per person on holidays with myJet2
  • £60pp off winter 2024/2025 & £50pp off summer 2025
  • Travel before 31st October 2025 (inclusive)
Go to Jet2holidays deal >>

Expires at 23:59 on Saturday 30th Nov 2024 · View all Jet2holidays offers

Jet2holidaysJet2holidays deal finder

The September weather guide for Algarve (Guia) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C)  |  Imperial (°F)

Back to top

More about the Algarve

How hot is it in Guia in September?

Daytime temperatures usually reach 79°F in Guia in September with low heat and humidity, falling to 63°F at night.

How sunny is it in Guia in September?

There are normally 9 hours of bright sunshine each day in Guia in September - that's 71% of daylight hours.

How warm is the sea around Guia in September?

The average sea temperature around Guia in September is 68°F.

Does it ever rain in Guia in September?

There are usually 2 days with some rain in Guia in September and the average monthly rainfall is 0.6 inches.

Guia September sunrise & sunset times

Browse the sunrise and sunset times for Guia in September 2025. Select a month to view Guia sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 06:04 19:02
Monday, 15th September 2025 06:15 18:41
Tuesday, 30th September 2025 06:28 18:18

Related posts

Popular travel offers

Explore holidays in the sun for less

More holidays

Airport parking

More parking

Airport lounges

More lounges

Top ^