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Hourly Forecast
Daylight Hours
06:44
Sunrise
18:51
Sunset
Moon
Waxing Crescent
10:45
Moonrise
21:12
Moonset
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Weather in San Sebastián el Grande today, September 15, 2026
Rain features in San Sebastián el Grande on September 15, 2026, so keep waterproofs handy through the day. The damp theme is strongest where shower chances rise. Early hours look the most unsettled, with rain probability near 22% by 04:00. The thickest cloud arrives around 09:00, reaching about 83%.
Temperatures climb from an overnight low near 15°C toward a daytime high of about 25°C. The air stays humid, with relative humidity between 62% and 99% and the peak around 04:00. Expect gentle winds, highest near 09:00 at 2.9 km/h.
Through the afternoon wet weather remains a factor, with rain chances near 86% around 16:00. Cloud also stays substantial, close to 99% near 18:00. Horizontal visibility sits around 15.8 km, briefly nearer 9.1 km. Expect sunrise at 06:44, sunset at 18:51, and 12 hours 6 minutes of sunlight today overall.
In short, treat September 15, 2026 in San Sebastián el Grande as a damp day: pack covers, watch the wetter hours, and expect a high near 25°C.
Frequently asked questions about weather in San Sebastián el Grande
How warm does it get in San Sebastián el Grande?
The warmest month in San Sebastián el Grande is May, with average high temperatures of 33°C. The average temperature during this period is around 25°C.
How cold does it get in San Sebastián el Grande?
The coldest month in San Sebastián el Grande is January, with average low temperatures of 9°C. The average temperature during this period is around 17°C.
What is the wettest time of year in San Sebastián el Grande?
The wettest month in San Sebastián el Grande is July, with an average of 190mm of precipitation.
What is the driest time of year in San Sebastián el Grande?
The driest month in San Sebastián el Grande is April, with an average of 1mm of precipitation.
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