Climate averages 1991–2020
Kishanganj weather
in September.
A hot, very wet month: the 7th 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 Kishanganj: daytime highs average 30.4°C and nights cool to about 24.7°C. By daytime temperature it is the 7th warmest of the 12 months.
Expect about 309 mm of rain on roughly 25 days, which makes September a very wet month (the 9th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 20 min on an average September day.
The nearest other city in this atlas is Arāria (44 km away). In September its highs average 30.5°C, about as warm as Kishanganj, with 358 mm of rain.
Among the 692 cities listed in India, Kishanganj ranks joint 420th of 692 for the warmest September highs and 673rd of 692 for the driest September (rainfall, lowest first). The mean September high of those 692 cities is 30.7°C; Kishanganj is 0.2°C cooler than that mean.
From September to October, average highs fall by 0.7°C to 29.7°C, and monthly rainfall falls from 309 mm to 104 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
Kishanganj climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 23.0°C11.7°C | 11.7°C | 13 | 1.7 | 10.711 h |
| February | 26.2°C14.1°C | 14.1°C | 15 | 2.1 | 11.311 h |
| March | 31.7°C18.9°C | 18.9°C | 20 | 3.5 | 12.012 h |
| April | 33.5°C22.3°C | 22.3°C | 67 | 9.2 | 12.813 h |
| May | 31.8°C23.7°C | 23.7°C | 215 | 19.1 | 13.413 h |
| June | 31.1°C25.0°C | 25.0°C | 386 | 26.6 | 13.714 h |
| July | 30.9°C25.5°C | 25.5°C | 411 | 29.6 | 13.614 h |
| August | 31.1°C25.5°C | 25.5°C | 359 | 28.9 | 13.113 h |
| September, selected | 30.4°C24.7°C | 24.7°C | 309 | 24.9 | 12.312 h |
| October | 29.7°C21.7°C | 21.7°C | 104 | 9.9 | 11.612 h |
| November | 27.8°C17.1°C | 17.1°C | 5.5 | 0.8 | 10.911 h |
| December | 24.7°C13.3°C | 13.3°C | 5.9 | 0.7 | 10.511 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
- Arāria in SeptemberIndia · 44 kmHigh 30.5°C · Low 24.6°C · 358 mm rain
- Thākurgaon in SeptemberBangladesh · 52 kmHigh 30.3°C · Low 24.6°C · 310 mm rain
- Rāiganj in SeptemberIndia · 57 kmHigh 30.7°C · Low 24.9°C · 286 mm rain
- Purnia in SeptemberIndia · 60 kmHigh 30.6°C · Low 24.8°C · 295 mm rain
- Katihar in SeptemberIndia · 74 kmHigh 30.8°C · Low 25.1°C · 254 mm rain
- Biratnagar in SeptemberNepal · 79 kmHigh 30.0°C · Low 24.4°C · 277 mm rain
- Siliguri in SeptemberIndia · 82 kmHigh 29.0°C · Low 23.5°C · 411 mm rain
- Dinajpur in SeptemberBangladesh · 86 kmHigh 30.6°C · Low 24.7°C · 331 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 Kishanganj) is explained once on the Kishanganj year overview and on the Sources, method and limits page.