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Hourly Forecast
Daylight Hours
07:39
Sunrise
19:52
Sunset
Moon
Waxing Crescent
13:21
Moonrise
22:22
Moonset
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Weather in Castelldefels today, September 16, 2026
Castelldefels starts September 16, 2026 looking damp, with rain in the forecast and wetter spells likely at times. Waterproof kit is the safer call for early plans. The first half of the day looks overcast, as cloud amounts reach about 64% around 11:00. Brighter weather, if it comes, waits until later.
Expect highs of 26°C and cooler readings close to 22°C. The air stays humid, with relative humidity between 70% and 90% and the peak around 22:00. Expect gentle winds, highest near 17:00 at 5.4 km/h.
Expect the wet theme to continue later, as rain odds reach 100% near 21:00. Cloud amounts hold near 100% around 18:00. Expect visibility near 31.1 km, with poorer spells close to 19.3 km. Expect sunrise at 07:39, sunset at 19:52, and 12 hours 12 minutes of sunlight today overall.
Overall, Castelldefels on September 16, 2026 suits indoor plans or waterproof kit, especially while rain chances stay near 100% and the high sits around 26°C.
Frequently asked questions about weather in Castelldefels
How warm does it get in Castelldefels?
The warmest month in Castelldefels 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 Castelldefels?
The coldest month in Castelldefels 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 Castelldefels?
The wettest month in Castelldefels is October, with an average of 101mm of precipitation.
What is the driest time of year in Castelldefels?
The driest month in Castelldefels is July, with an average of 27mm of precipitation.
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