Climate averages 1991–2020
Virudhachalam weather
in September.
A very hot, 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 very hot month in Virudhachalam: daytime highs average 34.1°C and nights cool to about 25.3°C. By daytime temperature it is the 7th warmest of the 12 months.
Expect about 116 mm of rain on roughly 16 days, which makes September a wet month (the 10th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 12 min on an average September day.
The nearest other city in this atlas is Neyveli (21 km away). In September its highs average 33.8°C, about as warm as Virudhachalam, with 117 mm of rain.
Among the 692 cities listed in India, Virudhachalam ranks joint 37th of 692 for the warmest September highs and joint 209th of 692 for the driest September (rainfall, lowest first). The mean September high of those 692 cities is 30.7°C; Virudhachalam is 3.5°C warmer than that mean.
From September to October, average highs fall by 2.4°C to 31.7°C, and monthly rainfall rises from 116 mm to 182 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
Virudhachalam climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 29.0°C19.9°C | 19.9°C | 14 | 3.7 | 11.512 h |
| February | 31.7°C20.5°C | 20.5°C | 8.9 | 2.2 | 11.812 h |
| March | 34.9°C22.3°C | 22.3°C | 15 | 2.7 | 12.112 h |
| April | 36.9°C25.7°C | 25.7°C | 27 | 4.8 | 12.412 h |
| May | 38.1°C27.4°C | 27.4°C | 53 | 10.0 | 12.613 h |
| June | 36.4°C26.9°C | 26.9°C | 71 | 12.8 | 12.813 h |
| July | 35.2°C26.1°C | 26.1°C | 81 | 14.4 | 12.713 h |
| August | 34.5°C25.7°C | 25.7°C | 99 | 15.0 | 12.513 h |
| September, selected | 34.1°C25.3°C | 25.3°C | 116 | 16.1 | 12.212 h |
| October | 31.7°C24.1°C | 24.1°C | 182 | 19.7 | 11.912 h |
| November | 29.1°C22.5°C | 22.5°C | 194 | 17.4 | 11.612 h |
| December | 28.1°C21.0°C | 21.0°C | 99 | 9.7 | 11.511 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
- Neyveli in SeptemberIndia · 21 kmHigh 33.8°C · Low 25.4°C · 117 mm rain
- Kallakurichi in SeptemberIndia · 47 kmHigh 33.3°C · Low 24.5°C · 128 mm rain
- Villupuram in SeptemberIndia · 51 kmHigh 33.7°C · Low 25.6°C · 128 mm rain
- Cuddalore in SeptemberIndia · 55 kmHigh 31.7°C · Low 26.4°C · 92 mm rain
- Mayiladuthurai in SeptemberIndia · 58 kmHigh 32.5°C · Low 26.3°C · 72 mm rain
- Kumbakonam in SeptemberIndia · 62 kmHigh 34.4°C · Low 25.8°C · 96 mm rain
- Puducherry in SeptemberIndia · 72 kmHigh 31.6°C · Low 26.5°C · 99 mm rain
- Thanjavur in SeptemberIndia · 84 kmHigh 34.8°C · Low 25.7°C · 108 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 Virudhachalam) is explained once on the Virudhachalam year overview and on the Sources, method and limits page.