New Delhi Weather in September
What's the weather like in New Delhi (NCT) in September 2025?
The climate in New Delhi during September can be summarized as very hot and wet.
September is in the fall / autumn in New Delhi and is typically the 5th warmest month of the year. Daytime maximum temperatures average around a warm 34°C (93°F), whilst at night 24°C (76°F) is normal.
| Daytime temperature | 34°C 93.1°F |
|---|---|
| Nightly temperature | 24.3°C 75.7°F |
| Average temperature | 29.1°C 84.4°F |
| Daily sunshine | 7.8 hrs |
| Avg rainfall | 127 mm 5 ins |
| Rainy days | 4 days |
| Sea temperature | 25°C 77°F |
| Humidity | 63% |
| Windspeed | 7.2kph 5 mph |
On average September is the 3rd wettest month of the year in New Delhi with around 127mm 5 inches of rain making it a wet 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 7.8 hours of sunshine per day.
September temperatures in New Delhi
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 New Delhi in September 2025.
Other monthly averages
Best places to visit in September
New Delhi weather stats
| Hottest month: | June | 38.8°C 101.8°F |
|---|---|---|
| Driest month: | November | 5mm 0.2ins |
| Sunniest month: | November | 8.9hrs |
| Coldest month: | January | 20.7°C 69.3°F |
| Wettest month: | August | 257mm 10.1ins |
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