The climate in Dalaman during September can be summarized as hot and dry.
September is in the fall / autumn in Dalaman and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a comfortable 31°C (87°F), whilst at night 17°C (62°F) is normal.
| Daytime temperature | 30.7°C 87.3°F |
|---|---|
| Nightly temperature | 16.5°C 61.7°F |
| Average temperature | 23.6°C 74.5°F |
| Daily sunshine | 12 hrs |
| Avg rainfall | 24 mm 1 ins |
| Rainy days | 4 days |
| Sea temperature | 25.4°C 77.8°F |
| Humidity | 62% |
| Windspeed | 6.8kph 4 mph |
On average September is the 4th driest month of the year in Dalaman with around 24mm 1 inches of rain making it a 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 12 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 Dalaman in September 2025.
Best places to visit in September
| Hottest month: | July | 33.1°C 91.6°F |
|---|---|---|
| Driest month: | July | 4mm 0.2ins |
| Sunniest month: | July | 14.8hrs |
| Coldest month: | January | 14.3°C 57.7°F |
| Wettest month: | December | 233mm 9.2ins |