Climate averages 1991–2020
Jamūī weather
in September.
A hot, very wet month: the 7th warmest and the 10th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
September is a hot month in Jamūī: daytime highs average 30.7°C and nights cool to about 24.8°C. By daytime temperature it is the 7th warmest of the 12 months.
Expect about 207 mm of rain on roughly 21 days, which makes September a very wet month (the 10th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 19 min on an average September day.
The nearest other city in this atlas is Luckeesarai (31 km away). In September its highs average 31.0°C, about as warm as Jamūī, with 205 mm of rain.
Among the 692 cities listed in India, Jamūī ranks joint 373rd of 692 for the warmest September highs and joint 532nd of 692 for the driest September (rainfall, lowest first). The mean September high of those 692 cities is 30.7°C; Jamūī is 0.1°C warmer than that mean.
From September to October, average highs fall by 1.0°C to 29.7°C, and monthly rainfall falls from 207 mm to 68 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
Jamūī climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 22.0°C10.4°C | 10.4°C | 16 | 2.4 | 10.811 h |
| February | 26.2°C13.6°C | 13.6°C | 15 | 2.6 | 11.311 h |
| March | 32.2°C18.6°C | 18.6°C | 15 | 2.5 | 12.012 h |
| April | 36.9°C23.2°C | 23.2°C | 16 | 4.0 | 12.713 h |
| May | 37.4°C26.0°C | 26.0°C | 58 | 8.1 | 13.313 h |
| June | 34.9°C27.0°C | 27.0°C | 170 | 17.7 | 13.714 h |
| July | 31.5°C26.1°C | 26.1°C | 285 | 26.2 | 13.514 h |
| August | 31.2°C25.7°C | 25.7°C | 244 | 26.1 | 13.013 h |
| September, selected | 30.7°C24.8°C | 24.8°C | 207 | 21.0 | 12.312 h |
| October | 29.7°C21.5°C | 21.5°C | 68 | 7.6 | 11.612 h |
| November | 27.0°C16.3°C | 16.3°C | 7.0 | 0.9 | 11.011 h |
| December | 23.3°C11.8°C | 11.8°C | 7.6 | 0.9 | 10.611 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
- Luckeesarai in SeptemberIndia · 31 kmHigh 31.0°C · Low 25.1°C · 205 mm rain
- Jamālpur, India in SeptemberIndia · 51 kmHigh 31.0°C · Low 25.2°C · 234 mm rain
- Begusarai in SeptemberIndia · 56 kmHigh 31.1°C · Low 25.3°C · 241 mm rain
- Munger in SeptemberIndia · 56 kmHigh 31.0°C · Low 25.3°C · 234 mm rain
- Bāruni in SeptemberIndia · 66 kmHigh 31.0°C · Low 25.3°C · 229 mm rain
- Deoghar in SeptemberIndia · 68 kmHigh 29.8°C · Low 23.9°C · 215 mm rain
- Nawāda in SeptemberIndia · 69 kmHigh 30.9°C · Low 24.9°C · 198 mm rain
- Bihār Sharīf in SeptemberIndia · 77 kmHigh 31.0°C · Low 25.0°C · 196 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 Jamūī) is explained once on the Jamūī year overview and on the Sources, method and limits page.