Estoi weather in September 2026

Q: How hot is it in Estoi in September?

Daytime temperatures usually reach 26°C in Estoi in September with low heat and humidity, falling to 17°C at night.

Q: How sunny is it in Estoi in September?

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

Q: How warm is the sea around Estoi in September?

The average sea temperature around Estoi in September is 20°C.

Q: Does it ever rain in Estoi in September?

There are usually 2 days with some rain in Estoi in September and the average monthly rainfall is 15mm.

Expect daytime maximum temperatures of 81°F in Estoi, Algarve in September based on long-term weather averages. There are 9 hours of sunshine per day on average.

81
81°F max day temperature
9
9 hours of sunshine per day
2
2 days with some rainfall
63
63°F min night temperature
12
12 hours of daylight per day
L
Low heat & humidity
0.6
0.6 inches of monthly rainfall
7
7 (High) UV index
70
70°F sea temperature

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The September weather guide for Algarve (Estoi) 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)