The climate in Arcos de la Frontera during September can be summarized as hot and dry.
September is in the fall / autumn in Arcos de la Frontera and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around a comfortable 29°C (84°F), whilst at night 17°C (63°F) is normal.
| Daytime temperature | 28.9°C 84°F |
|---|---|
| Nightly temperature | 17.1°C 62.8°F |
| Average temperature | 23°C 73.4°F |
| Daily sunshine | 9.1 hrs |
| Avg rainfall | 21 mm 0.8 ins |
| Rainy days | 4 days |
| Sea temperature | 22.1°C 71.9°F |
| Humidity | 63% |
| Windspeed | 15.1kph 9 mph |
On average September is the 4th driest month of the year in Arcos de la Frontera with around 21mm 0.8 inches of rain making it a dry time to visit. This rainfall is typically spread over 4 days, although this may vary considerably.
On the flip side this corresponds to an average of 9.1 hours of sunshine per day.
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 Arcos de la Frontera in September 2025.
Best places to visit in September
| Hottest month: | August | 31.2°C 88.2°F |
|---|---|---|
| Driest month: | July | 3mm 0.1ins |
| Sunniest month: | August | 11.6hrs |
| Coldest month: | January | 14.8°C 58.6°F |
| Wettest month: | November | 117mm 4.6ins |