Shillong 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: November – February
What is the weather like in Shillong in September?
In September, Shillong is warm: daytime highs average 23 °C, and nights cool down to about 18 °C. The sun is scarce, with only about 3 hours a day. It rains often – on about 29 days, adding up to 454 mm. The air is often humid and muggy. All in all, September is a so-so month for a holiday in Shillong.
September compared
How the weather changes from August to October. Tap a month to open it.
| AugustAug | SeptemberSep | OctoberOct | |
|---|---|---|---|
| Score | 50 | 51 | 56 |
| Day | 23° | 23° | 21° |
| Night | 19° | 18° | 15° |
| Sun | 3 h | 3 h | 5 h |
| Rain days | 31 | 29 | 21 |
More details for September
- Daylight
- 12 h 20 min05:08 – 17:28
- UV index
- 11 · extremeclear sky, noon (estimate)All months
- Muggy days
- 20 daysdew point 18 °C or moreAll months
- Wind
- 7 km/haverage daily peakAll months
- Cloud cover
- 88 %on averageAll months
- Hot days
- 0 days30 °C or moreAll months
- Time zone
- UTC+5:30Asia/Kolkata
How the score comes together
- Temperatureweight 50 %100 %
- Sunshineweight 20 %5 %
- Few rainy daysweight 30 %0 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Mountain air”.
What to pack in September
- Sunscreen
- Sunglasses & sun hat
- Rain jacket or umbrella
Shillong in September: quick answers
Is Shillong hot in September?
Warm rather than hot: in September, daytime highs in Shillong average 23 °C and nights cool to about 18 °C.
Does it rain much in Shillong in September?
It rains often – on about 29 days, adding up to 454 mm.
Shillong month by month
The whole year in ShillongAll 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