Ondarroa Weather in September
What's the weather like in Ondarroa (Basque Country) in September 2024?
The climate in Ondarroa during September can be summarized as warm and reasonably dry.
September is in the fall / autumn in Ondarroa and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around 23°C (73°F), whilst at night 13°C (56°F) is normal.
| Daytime temperature | 22.9°C 73.1°F |
|---|---|
| Nightly temperature | 13.2°C 55.7°F |
| Average temperature | 18°C 64.4°F |
| Daily sunshine | 5.9 hrs |
| Avg rainfall | 80 mm 3.1 ins |
| Rainy days | 13 days |
| Sea temperature | 20.5°C 69°F |
| Humidity | 75% |
| Windspeed | 10.8kph 7 mph |
On average September is the 3rd driest month of the year in Ondarroa with around 80mm 3.1 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 13 days, although this may vary considerably.
On the flip side this corresponds to an average of 5.9 hours of sunshine per day.
September temperatures in Ondarroa
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 Ondarroa in September 2024.
Other monthly averages
Best places to visit in September
Ondarroa weather stats
| Hottest month: | August | 23.5°C 74.3°F |
|---|---|---|
| Driest month: | July | 58mm 2.3ins |
| Sunniest month: | July | 7.2hrs |
| Coldest month: | January | 10.5°C 50.9°F |
| Wettest month: | November | 136mm 5.4ins |
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