Arinsal Weather in September
What's the weather like in Arinsal (Parròquia de la Massana) in September 2025?
The climate in Arinsal during September can be summarized as cool and damp.
September is in the fall / autumn in Arinsal and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around a cool 14°C (57°F), whilst at night 4°C (38°F) is normal.
| Daytime temperature | 13.9°C 56.9°F |
|---|---|
| Nightly temperature | 3.6°C 38.4°F |
| Average temperature | 8.7°C 47.7°F |
| Daily sunshine | 7 hrs |
| Avg rainfall | 105 mm 4.1 ins |
| Rainy days | 12 days |
| Sea temperature | 22.5°C 72.5°F |
| Humidity | 72% |
| Windspeed | 14.4kph 9 mph |
On average September is the 3rd driest month of the year in Arinsal with around 105mm 4.1 inches of rain making it a damp time to visit. This rainfall is typically spread over 12 days, although this may vary considerably.
On the flip side this corresponds to an average of 7 hours of sunshine per day.
September temperatures in Arinsal
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 Arinsal in September 2025.
Other monthly averages
Best places to visit in September
Arinsal weather stats
| Hottest month: | July | 17.2°C 63°F |
|---|---|---|
| Driest month: | July | 81mm 3.2ins |
| Sunniest month: | July | 9.7hrs |
| Coldest month: | February | -0.2°C 31.6°F |
| Wettest month: | November | 149mm 5.9ins |
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