Climate averages 1991–2020
Butwāl weather
in September.
A hot, very wet month: the 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 Butwāl: daytime highs average 30.5°C and nights cool to about 24.6°C. By daytime temperature it is the 6th warmest of the 12 months.
Expect about 279 mm of rain on roughly 26 days, which makes September a very wet month (the 9th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 21 min on an average September day.
The nearest other city in this atlas is Pokhara (82 km away). In September its highs average 24.7°C, 5.8°C cooler than Butwāl, with 603 mm of rain.
Among the 16 cities listed in Nepal, Butwāl ranks joint 1st of 16 for the warmest September highs and 13th of 16 for the driest September (rainfall, lowest first). The mean September high of those 16 cities is 28.9°C; Butwāl is 1.6°C warmer than that mean.
From September to October, average highs fall by 1.3°C to 29.2°C, and monthly rainfall falls from 279 mm to 58 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
Butwāl climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 21.2°C10.6°C | 10.6°C | 21 | 3.1 | 10.611 h |
| February | 24.4°C12.7°C | 12.7°C | 23 | 4.3 | 11.211 h |
| March | 30.1°C16.4°C | 16.4°C | 20 | 4.5 | 12.012 h |
| April | 34.6°C20.9°C | 20.9°C | 41 | 8.5 | 12.813 h |
| May | 34.6°C24.0°C | 24.0°C | 127 | 18.3 | 13.514 h |
| June | 33.1°C25.8°C | 25.8°C | 376 | 25.3 | 13.914 h |
| July | 31.0°C26.0°C | 26.0°C | 574 | 30.7 | 13.714 h |
| August | 30.9°C25.8°C | 25.8°C | 516 | 30.1 | 13.113 h |
| September, selected | 30.5°C24.6°C | 24.6°C | 279 | 26.4 | 12.312 h |
| October | 29.2°C20.8°C | 20.8°C | 58 | 11.4 | 11.512 h |
| November | 26.5°C16.2°C | 16.2°C | 8.5 | 1.4 | 10.811 h |
| December | 22.9°C12.6°C | 12.6°C | 10 | 1.1 | 10.410 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
- Pokhara in SeptemberNepal · 82 kmHigh 24.7°C · Low 20.0°C · 603 mm rain
- Bagaha (Bihar, 27.10°N 84.09°E), India in SeptemberIndia · 91 kmHigh 30.6°C · Low 24.7°C · 239 mm rain
- Bharatpur, Nepal in SeptemberNepal · 97 kmHigh 29.7°C · Low 24.0°C · 305 mm rain
- Gorakhpur in SeptemberIndia · 103 kmHigh 30.8°C · Low 24.8°C · 195 mm rain
- Kushinagar in SeptemberIndia · 114 kmHigh 30.8°C · Low 24.8°C · 213 mm rain
- Bastī in SeptemberIndia · 124 kmHigh 31.0°C · Low 24.8°C · 198 mm rain
- Balrāmpur in SeptemberIndia · 128 kmHigh 30.8°C · Low 24.6°C · 181 mm rain
- Deoria in SeptemberIndia · 136 kmHigh 30.9°C · Low 24.9°C · 217 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 Butwāl) is explained once on the Butwāl year overview and on the Sources, method and limits page.