Climate averages 1991–2020
Rajapalayam weather
in September.
A very hot, wet month: the joint 4th warmest and the 10th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
September is a very hot month in Rajapalayam: daytime highs average 34.2°C and nights cool to about 23.4°C. By daytime temperature it is the joint 4th warmest of the 12 months.
Expect about 126 mm of rain on roughly 18 days, which makes September a wet month (the 10th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 11 min on an average September day.
The nearest other city in this atlas is Sivakasi (27 km away). In September its highs average 34.9°C, 0.7°C warmer than Rajapalayam, with 69 mm of rain.
Among the 692 cities listed in India, Rajapalayam ranks joint 32nd of 692 for the warmest September highs and joint 266th of 692 for the driest September (rainfall, lowest first). The mean September high of those 692 cities is 30.7°C; Rajapalayam is 3.5°C warmer than that mean.
From September to October, average highs fall by 2.5°C to 31.7°C, and monthly rainfall rises from 126 mm to 231 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
Rajapalayam climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 29.7°C20.2°C | 20.2°C | 25 | 5.5 | 11.612 h |
| February | 32.7°C21.7°C | 21.7°C | 29 | 5.1 | 11.812 h |
| March | 35.9°C23.7°C | 23.7°C | 39 | 6.4 | 12.112 h |
| April | 36.6°C25.3°C | 25.3°C | 76 | 12.8 | 12.312 h |
| May | 36.4°C25.3°C | 25.3°C | 116 | 19.9 | 12.613 h |
| June | 34.2°C24.5°C | 24.5°C | 96 | 16.5 | 12.713 h |
| July | 33.6°C24.0°C | 24.0°C | 95 | 16.2 | 12.613 h |
| August | 33.9°C23.6°C | 23.6°C | 105 | 16.5 | 12.412 h |
| September, selected | 34.2°C23.4°C | 23.4°C | 126 | 17.5 | 12.212 h |
| October | 31.7°C23.1°C | 23.1°C | 231 | 22.1 | 11.912 h |
| November | 28.9°C22.1°C | 22.1°C | 210 | 20.9 | 11.712 h |
| December | 28.2°C20.6°C | 20.6°C | 107 | 11.9 | 11.612 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
- Sivakasi in SeptemberIndia · 27 kmHigh 34.9°C · Low 24.3°C · 69 mm rain
- Virudunagar in SeptemberIndia · 47 kmHigh 35.6°C · Low 24.9°C · 73 mm rain
- Kovilpatti in SeptemberIndia · 47 kmHigh 35.6°C · Low 24.7°C · 47 mm rain
- Kadayanallur in SeptemberIndia · 48 kmHigh 30.8°C · Low 22.6°C · 135 mm rain
- Aruppukkottai in SeptemberIndia · 60 kmHigh 35.6°C · Low 25.1°C · 73 mm rain
- Thenkasi in SeptemberIndia · 61 kmHigh 30.3°C · Low 22.2°C · 135 mm rain
- Teni in SeptemberIndia · 63 kmHigh 31.7°C · Low 21.3°C · 76 mm rain
- Madurai in SeptemberIndia · 81 kmHigh 34.9°C · Low 24.6°C · 82 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 Rajapalayam) is explained once on the Rajapalayam year overview and on the Sources, method and limits page.