Climate averages 1991–2020
Shimla weather
in September.
A mild, very wet month: the 5th warmest and the 10th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
September is a mild month in Shimla: daytime highs average 20.5°C and nights cool to about 12.1°C. By daytime temperature it is the 5th warmest of the 12 months.
Expect about 193 mm of rain on roughly 19 days, which makes September a very wet month (the 10th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 23 min on an average September day.
The nearest other city in this atlas is Chandigarh (55 km away). In September its highs average 30.8°C, 10.3°C warmer than Shimla, with 94 mm of rain.
Among the 692 cities listed in India, Shimla ranks joint 689th of 692 for the warmest September highs and joint 489th of 692 for the driest September (rainfall, lowest first). The mean September high of those 692 cities is 30.7°C; Shimla is 10.2°C cooler than that mean.
From September to October, average highs fall by 2.2°C to 18.3°C, and monthly rainfall falls from 193 mm to 33 mm.
The annual picture
September in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Shimla climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 9.1°C-3.5°C | -3.5°C | 85 | 8.7 | 10.410 h |
| February | 10.8°C-1.7°C | -1.7°C | 109 | 10.9 | 11.111 h |
| March | 15.0°C1.7°C | 1.7°C | 112 | 13.6 | 12.012 h |
| April | 19.7°C6.0°C | 6.0°C | 98 | 12.8 | 12.913 h |
| May | 23.2°C9.8°C | 9.8°C | 76 | 12.7 | 13.714 h |
| June | 23.5°C13.5°C | 13.5°C | 160 | 17.0 | 14.114 h |
| July | 21.8°C15.7°C | 15.7°C | 378 | 28.2 | 14.014 h |
| August | 21.1°C15.3°C | 15.3°C | 352 | 27.8 | 13.313 h |
| September, selected | 20.5°C12.1°C | 12.1°C | 193 | 18.6 | 12.412 h |
| October | 18.3°C6.1°C | 6.1°C | 33 | 6.1 | 11.411 h |
| November | 15.0°C1.9°C | 1.9°C | 22 | 3.7 | 10.611 h |
| December | 11.9°C-1.6°C | -1.6°C | 30 | 4.3 | 10.210 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
September in nearby cities
- Chandigarh in SeptemberIndia · 55 kmHigh 30.8°C · Low 22.1°C · 94 mm rain
- Panchkula in SeptemberIndia · 55 kmHigh 30.6°C · Low 22.1°C · 94 mm rain
- Mohali in SeptemberIndia · 63 kmHigh 31.1°C · Low 22.5°C · 94 mm rain
- Kharar in SeptemberIndia · 64 kmHigh 31.1°C · Low 22.6°C · 94 mm rain
- Rajpura in SeptemberIndia · 89 kmHigh 31.6°C · Low 23.1°C · 97 mm rain
- Ambāla in SeptemberIndia · 90 kmHigh 31.7°C · Low 23.2°C · 125 mm rain
- Ambala Sadar in SeptemberIndia · 90 kmHigh 31.4°C · Low 23.1°C · 125 mm rain
- Gobindgarh in SeptemberIndia · 96 kmHigh 31.7°C · Low 23.2°C · 102 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Shimla) is explained once on the Shimla year overview and on the Sources, method and limits page.