Climate averages 1991–2020
Ranchi weather
in September.
A hot, very wet month: the joint 6th warmest and the 9th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
September is a hot month in Ranchi: daytime highs average 28.1°C and nights cool to about 22.2°C. By daytime temperature it is the joint 6th warmest of the 12 months.
Expect about 204 mm of rain on roughly 22 days, which makes September a very wet month (the 9th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 18 min on an average September day.
The nearest other city in this atlas is Saunda (36 km away). In September its highs average 29.3°C, 1.2°C warmer than Ranchi, with 148 mm of rain.
Among the 692 cities listed in India, Ranchi ranks joint 620th of 692 for the warmest September highs and joint 519th of 692 for the driest September (rainfall, lowest first). The mean September high of those 692 cities is 30.7°C; Ranchi is 2.5°C cooler than that mean.
From September to October, average highs fall by 0.6°C to 27.5°C, and monthly rainfall falls from 204 mm to 69 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
Ranchi climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 22.4°C10.3°C | 10.3°C | 16 | 3.0 | 10.911 h |
| February | 26.2°C13.5°C | 13.5°C | 19 | 3.4 | 11.411 h |
| March | 31.0°C17.7°C | 17.7°C | 23 | 4.1 | 12.012 h |
| April | 35.5°C21.7°C | 21.7°C | 24 | 5.4 | 12.713 h |
| May | 36.5°C24.3°C | 24.3°C | 53 | 9.0 | 13.313 h |
| June | 32.6°C24.7°C | 24.7°C | 242 | 20.6 | 13.514 h |
| July | 28.6°C23.3°C | 23.3°C | 337 | 28.2 | 13.413 h |
| August | 28.1°C22.9°C | 22.9°C | 310 | 28.1 | 12.913 h |
| September, selected | 28.1°C22.2°C | 22.2°C | 204 | 21.9 | 12.312 h |
| October | 27.5°C19.1°C | 19.1°C | 69 | 9.3 | 11.612 h |
| November | 25.2°C14.7°C | 14.7°C | 11 | 1.5 | 11.011 h |
| December | 22.6°C10.9°C | 10.9°C | 9.5 | 1.5 | 10.711 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
- Saunda in SeptemberIndia · 36 kmHigh 29.3°C · Low 23.1°C · 148 mm rain
- Rāmgarh in SeptemberIndia · 39 kmHigh 29.6°C · Low 23.5°C · 178 mm rain
- Hazāribāgh in SeptemberIndia · 72 kmHigh 27.9°C · Low 22.1°C · 193 mm rain
- Phusro in SeptemberIndia · 85 kmHigh 30.1°C · Low 24.0°C · 204 mm rain
- Bokāro in SeptemberIndia · 93 kmHigh 30.2°C · Low 24.0°C · 210 mm rain
- Chas in SeptemberIndia · 93 kmHigh 30.2°C · Low 24.0°C · 210 mm rain
- Bhetia in SeptemberIndia · 105 kmHigh 30.6°C · Low 24.4°C · 188 mm rain
- Puruliya in SeptemberIndia · 108 kmHigh 30.0°C · Low 23.9°C · 216 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 Ranchi) is explained once on the Ranchi year overview and on the Sources, method and limits page.