Sant Just Desvern Weather in September
What's the weather like in Sant Just Desvern (Catalonia) in September 2025?
The climate in Sant Just Desvern during September can be summarized as warm, humid and reasonably dry.
September is in the fall / autumn in Sant Just Desvern and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around a muggy 25°C (77°F), whilst at night 17°C (62°F) is normal.
| Daytime temperature | 24.8°C 76.6°F |
|---|---|
| Nightly temperature | 16.9°C 62.3°F |
| Average temperature | 20.8°C 69.4°F |
| Daily sunshine | 7.3 hrs |
| Avg rainfall | 75 mm 3 ins |
| Rainy days | 9 days |
| Sea temperature | 23.6°C 74.5°F |
| Humidity | 73% |
| Windspeed | 10.8kph 7 mph |
On average September is the 2nd wettest month of the year in Sant Just Desvern with around 75mm 3 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 9 days, although this may vary considerably.
On the flip side this corresponds to an average of 7.3 hours of sunshine per day.
September temperatures in Sant Just Desvern
September rainfall
September hourly sunshine
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Sant Just Desvern in September 2025.
Other monthly averages
Best places to visit in September
Sant Just Desvern weather stats
| Hottest month: | August | 26.8°C 80.2°F |
|---|---|---|
| Driest month: | July | 25mm 1ins |
| Sunniest month: | July | 10.5hrs |
| Coldest month: | January | 12.8°C 55°F |
| Wettest month: | October | 84mm 3.3ins |
© Google
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