The climate in Gölköy during September can be summarized as mild and reasonably dry.
September is in the fall / autumn in Gölköy and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around 22°C (71°F), whilst at night 10°C (49°F) is normal.
| Daytime temperature | 21.9°C 71.3°F |
|---|---|
| Nightly temperature | 9.6°C 49.2°F |
| Average temperature | 15.7°C 60.3°F |
| Daily sunshine | 9.2 hrs |
| Avg rainfall | 39 mm 1.5 ins |
| Rainy days | 7 days |
| Sea temperature | 23.5°C 74.4°F |
| Humidity | 67% |
| Windspeed | 6.5kph 4 mph |
On average September is the 3rd driest month of the year in Gölköy with around 39mm 1.5 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 7 days, although this may vary considerably.
On the flip side this corresponds to an average of 9.2 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 Gölköy in September 2025.
Best places to visit in September
| Hottest month: | August | 23.8°C 74.8°F |
|---|---|---|
| Driest month: | August | 27mm 1.1ins |
| Sunniest month: | July | 11.5hrs |
| Coldest month: | January | 4.3°C 39.7°F |
| Wettest month: | December | 78mm 3.1ins |