The climate in Póros during September can be summarized as warm and reasonably dry.
September is in the fall / autumn in Póros and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around a comfortable 26°C (79°F), whilst at night 16°C (61°F) is normal.
| Daytime temperature | 26.3°C 79.3°F |
|---|---|
| Nightly temperature | 15.9°C 60.6°F |
| Average temperature | 21.1°C 70°F |
| Daily sunshine | 10.3 hrs |
| Avg rainfall | 41 mm 1.6 ins |
| Rainy days | 4 days |
| Sea temperature | 25.1°C 77.1°F |
| Humidity | 66% |
| Windspeed | 7.6kph 5 mph |
On average September is the 5th driest month of the year in Póros with around 41mm 1.6 inches of rain making it a reasonably 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 10.3 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 Póros in September 2025.
Best places to visit in September
| Hottest month: | August | 29.2°C 84.6°F |
|---|---|---|
| Driest month: | July | 11mm 0.4ins |
| Sunniest month: | July | 13.8hrs |
| Coldest month: | January | 11.9°C 53.4°F |
| Wettest month: | December | 186mm 7.3ins |