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Hourly Forecast
Daylight Hours
07:29
Sunrise
19:21
Sunset
Moon
Waxing Gibbous
18:20
Moonrise
04:55
Moonset
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View stargazing scoreWeather in Portimão tomorrow, September 25, 2026
Portimão starts September 25, 2026 under largely sunny skies, with bright spells setting the tone from the outset. Outdoor plans should enjoy long stretches of open sky as the day unfolds. The morning sky stays heavily clouded, with cover near 69% around 04:00. Grey conditions set the early tone before any later change.
Temperatures climb from an overnight low near 22°C toward a daytime high of about 35°C. Relative humidity sits between 21% and 59%, reaching its peak around 04:00. Expect gentle winds, highest near 17:00 at 4.4 km/h.
Through the afternoon skies look more workable, with cloud near 2% around 18:00. Later outdoor plans have a clearer window than the morning may have suggested. Expect visibility near 46.4 km, with poorer spells close to 40.8 km. Expect sunrise at 07:30, sunset at 19:19, and 11 hours 49 minutes of sunlight today overall.
The practical takeaway for Portimão is a bright September 25, 2026, ideal for outdoor errands before temperatures ease from about 35°C.
Frequently asked questions about weather in Portimão
How warm does it get in Portimão?
The warmest month in Portimão is August, with average high temperatures of 31°C. The average temperature during this period is around 24°C.
How cold does it get in Portimão?
The coldest month in Portimão is January, with average low temperatures of 7°C. The average temperature during this period is around 11°C.
What is the wettest time of year in Portimão?
The wettest month in Portimão is March, with an average of 83mm of precipitation.
What is the driest time of year in Portimão?
The driest month in Portimão is August, with an average of 0mm of precipitation.
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