The climate in Grevená during September can be summarized as warm and reasonably dry.
September is in the fall / autumn in Grevená and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a comfortable 25°C (77°F), whilst at night 12°C (53°F) is normal.
Daytime temperature | 25.2°C 77.3°F |
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Nightly temperature | 11.9°C 53.3°F |
Average temperature | 18.5°C 65.3°F |
Daily sunshine | 9.8 hrs |
Avg rainfall | 40 mm 1.6 ins |
Rainy days | 6 days |
Sea temperature | 24.1°C 75.4°F |
Humidity | 60% |
Windspeed | 3.6kph 2 mph |
On average September is the 4th driest month of the year in Grevená with around 40mm 1.6 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 6 days, although this may vary considerably.
On the flip side this corresponds to an average of 9.8 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 Grevená in September 2025.
Best places to visit in September
Hottest month: | July | 29.1°C 84.4°F |
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Driest month: | August | 27mm 1.1ins |
Sunniest month: | July | 12.7hrs |
Coldest month: | January | 6.2°C 43.2°F |
Wettest month: | December | 104mm 4.1ins |