Climate averages 1991–2020
Hetauda 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 Hetauda: daytime highs average 28.1°C and nights cool to about 22.8°C. By daytime temperature it is the 7th warmest of the 12 months.
Expect about 252 mm of rain on roughly 27 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 Madhyapur Thimi (45 km away). In September its highs average 24.6°C, 3.6°C cooler than Hetauda, with 304 mm of rain.
Among the 16 cities listed in Nepal, Hetauda ranks 12th of 16 for the warmest September highs and 9th of 16 for the driest September (rainfall, lowest first). The mean September high of those 16 cities is 28.9°C; Hetauda is 0.7°C cooler than that mean.
From September to October, average highs fall by 0.9°C to 27.2°C, and monthly rainfall falls from 252 mm to 56 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
Hetauda climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 19.7°C9.2°C | 9.2°C | 24 | 3.9 | 10.611 h |
| February | 23.0°C11.1°C | 11.1°C | 28 | 5.3 | 11.211 h |
| March | 28.3°C15.0°C | 15.0°C | 28 | 6.0 | 12.012 h |
| April | 32.0°C19.2°C | 19.2°C | 55 | 10.6 | 12.813 h |
| May | 31.8°C22.0°C | 22.0°C | 154 | 19.5 | 13.513 h |
| June | 30.5°C23.9°C | 23.9°C | 340 | 25.9 | 13.814 h |
| July | 28.4°C24.0°C | 24.0°C | 615 | 30.9 | 13.714 h |
| August | 28.5°C23.9°C | 23.9°C | 485 | 30.7 | 13.113 h |
| September, selected | 28.1°C22.8°C | 22.8°C | 252 | 26.8 | 12.312 h |
| October | 27.2°C19.2°C | 19.2°C | 56 | 10.8 | 11.512 h |
| November | 24.6°C14.6°C | 14.6°C | 9.6 | 2.0 | 10.811 h |
| December | 21.2°C11.0°C | 11.0°C | 10 | 1.4 | 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
- Madhyapur Thimi in SeptemberNepal · 45 kmHigh 24.6°C · Low 18.8°C · 304 mm rain
- Birgañj in SeptemberNepal · 48 kmHigh 30.5°C · Low 24.5°C · 225 mm rain
- Bharatpur, Nepal in SeptemberNepal · 65 kmHigh 29.7°C · Low 24.0°C · 305 mm rain
- Bettiah in SeptemberIndia · 87 kmHigh 30.8°C · Low 24.8°C · 237 mm rain
- Mothīhāri in SeptemberIndia · 87 kmHigh 30.8°C · Low 24.9°C · 292 mm rain
- Bagaha (Bihar, 27.10°N 84.09°E), India in SeptemberIndia · 100 kmHigh 30.6°C · Low 24.7°C · 239 mm rain
- Janakpur in SeptemberNepal · 118 kmHigh 30.4°C · Low 24.5°C · 224 mm rain
- Kushinagar in SeptemberIndia · 137 kmHigh 30.8°C · Low 24.8°C · 213 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 Hetauda) is explained once on the Hetauda year overview and on the Sources, method and limits page.