See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
31°
Clear
Feels Like: 27°
Min: 21°
Max: 31°
The next few hours will be clear, with today reaching 31°C and dropping to 22°C. The coming days will be clear throughout the day.
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
07:38
Sunrise
19:54
Sunset
Moon
Waxing Crescent
12:15
Moonrise
21:47
Moonset
Daily Forecast
Today
Wednesday
Thursday
Friday
Saturday
Sunday
Monday
Tuesday
Wednesday
Thursday
Air Quality Data Available
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UV Index
Humidity
Weather in Sant Joan Despí today, September 15, 2026
Sunshine leads the day in Sant Joan Despí on September 15, 2026, with a patch of cloud building near 23:00. The broader outlook stays fair despite that temporary thickening.
Expect highs of 31°C and cooler readings close to 21°C. Expect humidity between 43% and 67%, most humid near 23:00. Airflow remains manageable, reaching about 3.4 km/h around 16:00.
Through the afternoon skies look more workable, with cloud near 20% around 23:00. Later outdoor plans have a clearer window than the morning may have suggested. Expect visibility near 41.2 km, with poorer spells close to 40.1 km. Sunrise is at 07:38 and sunset at 19:54, giving 12 hours 15 minutes of sunlight today.
Taken together, settled sunshine in Sant Joan Despí on September 15, 2026 makes outdoor timing easier, with highs near 31°C.
Frequently asked questions about weather in Sant Joan Despí
How warm does it get in Sant Joan Despí?
The warmest month in Sant Joan Despí is August, with average high temperatures of 27°C. The average temperature during this period is around 25°C.
How cold does it get in Sant Joan Despí?
The coldest month in Sant Joan Despí is January, with average low temperatures of 8°C. The average temperature during this period is around 11°C.
What is the wettest time of year in Sant Joan Despí?
The wettest month in Sant Joan Despí is October, with an average of 101mm of precipitation.
What is the driest time of year in Sant Joan Despí?
The driest month in Sant Joan Despí is July, with an average of 27mm of precipitation.
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