Dehradun weather in September
Temperature, rain and sunshine in September: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in September
Fair
Best time to visit: October – March
What is the weather like in Dehradun in September?
In September, Dehradun is hot: daytime highs average 28 °C, and even at night it stays warm at around 20 °C. Expect around 6 hours of sunshine a day. It rains often – on about 19 days, adding up to 174 mm. The air is often humid and muggy. All in all, September is a so-so month for a holiday in Dehradun.
September compared
How the weather changes from August to October. Tap a month to open it.
| AugustAug | SeptemberSep | OctoberOct | |
|---|---|---|---|
| Score | 47 | 53 | 95 |
| Day | 28° | 28° | 26° |
| Night | 23° | 20° | 14° |
| Sun | 4 h | 6 h | 8 h |
| Rain days | 28 | 19 | 4 |
More details for September
- Daylight
- 12 h 23 min06:02 – 18:25
- UV index
- 9 · very highclear sky, noon (estimate)All months
- Muggy days
- 29 daysdew point 18 °C or moreAll months
- Wind
- 8 km/haverage daily peakAll months
- Cloud cover
- 42 %on averageAll months
- Hot days
- 1 day30 °C or moreAll months
- Time zone
- UTC+5:30Asia/Kolkata
How the score comes together
- Temperatureweight 50 %90 %
- Sunshineweight 20 %42 %
- Few rainy daysweight 30 %0 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in September
- Sunscreen
- Sunglasses & sun hat
- Light, breathable clothes
- Insect repellent
- Rain jacket or umbrella
Dehradun in September: quick answers
Is Dehradun hot in September?
Yes. In September, Dehradun is hot: daytime highs average 28 °C and nights stay around 20 °C.
Does it rain much in Dehradun in September?
It rains often – on about 19 days, adding up to 174 mm.
Dehradun month by month
The whole year in DehradunAll destinations: IndiaWhere to go in September
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences