Tosya Weather in September
What's the weather like in Tosya (Kastamonu) in September 2025?
The climate in Tosya during September can be summarized as mild and dry.
September is in the fall / autumn in Tosya and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 22°C (71°F), whilst at night 9°C (49°F) is normal.
| Daytime temperature | 21.9°C 71.3°F |
|---|---|
| Nightly temperature | 9.2°C 48.5°F |
| Average temperature | 15.5°C 59.9°F |
| Daily sunshine | 10.5 hrs |
| Avg rainfall | 23 mm 0.9 ins |
| Rainy days | 6 days |
| Sea temperature | 22.7°C 72.8°F |
| Humidity | 57% |
| Windspeed | 7.2kph 5 mph |
On average September is the 2nd driest month of the year in Tosya with around 23mm 0.9 inches of rain making it a 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 10.5 hours of sunshine per day.
September temperatures in Tosya
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 Tosya in September 2025.
Other monthly averages
Best places to visit in September
Tosya weather stats
| Hottest month: | July | 25°C 77°F |
|---|---|---|
| Driest month: | August | 21mm 0.8ins |
| Sunniest month: | July | 12.9hrs |
| Coldest month: | January | 0.7°C 33.3°F |
| Wettest month: | May | 72mm 2.8ins |
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