Katastárion Weather in September
What's the weather like in Katastárion (Greece) in September 2025?
The climate in Katastárion during September can be summarized as warm and reasonably dry.
September is in the fall / autumn in Katastárion and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around a comfortable 26°C (79°F), whilst at night 17°C (62°F) is normal.
| Daytime temperature | 26.4°C 79.4°F |
|---|---|
| Nightly temperature | 16.9°C 62.3°F |
| Average temperature | 21.6°C 70.9°F |
| Daily sunshine | 10.3 hrs |
| Avg rainfall | 38 mm 1.5 ins |
| Rainy days | 4 days |
| Sea temperature | 25.3°C 77.5°F |
| Humidity | 66% |
| Windspeed | 8.6kph 5 mph |
On average September is the 5th driest month of the year in Katastárion with around 38mm 1.5 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.
September temperatures in Katastárion
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 Katastárion in September 2025.
Other monthly averages
Best places to visit in September
Katastárion weather stats
| Hottest month: | August | 29.1°C 84.4°F |
|---|---|---|
| Driest month: | July | 9mm 0.4ins |
| Sunniest month: | July | 13.9hrs |
| Coldest month: | January | 12.7°C 54.9°F |
| Wettest month: | December | 188mm 7.4ins |
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