The climate in Dehī during September can be summarized as warm and very dry.
September is in the fall / autumn in Dehī and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a comfortable 27°C (80°F), whilst at night 10°C (51°F) is normal.
| Daytime temperature | 26.5°C 79.7°F |
|---|---|
| Nightly temperature | 10.3°C 50.5°F |
| Average temperature | 18.4°C 65.1°F |
| Daily sunshine | 11 hrs |
| Avg rainfall | 1 mm 0 ins |
| Rainy days | 0 days |
| Sea temperature | 21.8°C 71.2°F |
| Humidity | 35% |
| Windspeed | 9kph 6 mph |
On average September is the 3rd driest month of the year in Dehī with around 1mm 0 inches of rain making it a very dry time to visit.
On the flip side this corresponds to an average of 11 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 Dehī in September 2025.
Best places to visit in September
| Hottest month: | July | 31.6°C 88.9°F |
|---|---|---|
| Driest month: | August | 0mm 0ins |
| Sunniest month: | July | 12.7hrs |
| Coldest month: | January | 3.3°C 37.9°F |
| Wettest month: | March | 67mm 2.6ins |