Climate averages 1991–2020
Tiruchirappalli 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 Tiruchirappalli: daytime highs average 35.2°C and nights cool to about 25.4°C. By daytime temperature it is the 7th warmest of the 12 months.
Expect about 94 mm of rain on roughly 14 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 Thanjavur (48 km away). In September its highs average 34.8°C, about as warm as Tiruchirappalli, with 108 mm of rain.
Among the 692 cities listed in India, Tiruchirappalli ranks 11th of 692 for the warmest September highs and joint 116th of 692 for the driest September (rainfall, lowest first). The mean September high of those 692 cities is 30.7°C; Tiruchirappalli is 4.6°C warmer than that mean.
From September to October, average highs fall by 2.9°C to 32.3°C, and monthly rainfall rises from 94 mm to 159 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
Tiruchirappalli climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 30.1°C20.1°C | 20.1°C | 12 | 2.5 | 11.612 h |
| February | 33.1°C21.1°C | 21.1°C | 9.9 | 2.0 | 11.812 h |
| March | 36.2°C23.2°C | 23.2°C | 17 | 3.1 | 12.112 h |
| April | 37.7°C25.9°C | 25.9°C | 37 | 6.6 | 12.412 h |
| May | 38.3°C27.2°C | 27.2°C | 53 | 10.4 | 12.613 h |
| June | 36.7°C26.6°C | 26.6°C | 47 | 9.5 | 12.713 h |
| July | 35.8°C26.0°C | 26.0°C | 42 | 9.2 | 12.713 h |
| August | 35.5°C25.6°C | 25.6°C | 66 | 11.4 | 12.512 h |
| September, selected | 35.2°C25.4°C | 25.4°C | 94 | 14.0 | 12.212 h |
| October | 32.3°C24.2°C | 24.2°C | 159 | 18.8 | 11.912 h |
| November | 29.6°C22.5°C | 22.5°C | 176 | 15.9 | 11.612 h |
| December | 28.7°C21.0°C | 21.0°C | 81 | 8.2 | 11.512 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
- Thanjavur in SeptemberIndia · 48 kmHigh 34.8°C · Low 25.7°C · 108 mm rain
- Pudukkottai in SeptemberIndia · 50 kmHigh 34.3°C · Low 25.2°C · 101 mm rain
- Karur in SeptemberIndia · 69 kmHigh 34.5°C · Low 24.7°C · 80 mm rain
- Kumbakonam in SeptemberIndia · 78 kmHigh 34.4°C · Low 25.8°C · 96 mm rain
- Pattukkottai in SeptemberIndia · 81 kmHigh 33.9°C · Low 25.6°C · 116 mm rain
- Kāraikkudi in SeptemberIndia · 84 kmHigh 34.2°C · Low 25.1°C · 98 mm rain
- Dindigul in SeptemberIndia · 93 kmHigh 32.7°C · Low 23.3°C · 185 mm rain
- Virudhachalam in SeptemberIndia · 104 kmHigh 34.1°C · Low 25.3°C · 116 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 Tiruchirappalli) is explained once on the Tiruchirappalli year overview and on the Sources, method and limits page.