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Hourly Forecast
Daylight Hours
07:34
Sunrise
19:22
Sunset
Moon
Waxing Gibbous
18:49
Moonrise
06:02
Moonset
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View stargazing scoreWeather in Sintra today, September 25, 2026
Expect a muted, overcast feel in Sintra on September 25, 2026 as cloud persists. Brighter breaks, if they arrive, should stay brief. Expect a grey start, with morning cloud around 100% by 07:00. Outdoor plans early on should not rely on bright skies.
The day peaks near 24°C and cools toward 16°C. Expect humidity between 49% and 78%, most humid near 08:00. A lighter breeze peaks around 16:00 near 5.1 km/h.
Expect persistent cloud later on, with amounts around 100% by 13:00. Sunshine remains the exception, not the rule. Visibility stays generally good near 24.5 km on average, though it can drop toward 14.5 km in thicker cloud or showers. Expect sunrise at 07:34, sunset at 19:22, and 11 hours 48 minutes of sunlight today overall.
Overall, Sintra on September 25, 2026 stays grey and muted, so outdoor plans may want a flexible backup even with a high near 24°C.
Frequently asked questions about weather in Sintra
How warm does it get in Sintra?
The warmest month in Sintra is September, with average high temperatures of 19°C. The average temperature during this period is around 18°C.
How cold does it get in Sintra?
The coldest month in Sintra is January, with average low temperatures of 13°C. The average temperature during this period is around 14°C.
What is the wettest time of year in Sintra?
The wettest month in Sintra is November, with an average of 92mm of precipitation.
What is the driest time of year in Sintra?
The driest month in Sintra is August, with an average of 1mm of precipitation.
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