Climate averages 1991–2020
Valparai weather
in September.
A warm, very wet month: the 9th warmest and the 7th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
September is a warm month in Valparai: daytime highs average 23.5°C and nights cool to about 18.2°C. By daytime temperature it is the 9th warmest of the 12 months.
Expect about 356 mm of rain on roughly 28 days, which makes September a very wet month (the 7th 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 Pollachi (37 km away). In September its highs average 28.9°C, 5.4°C warmer than Valparai, with 81 mm of rain.
Among the 692 cities listed in India, Valparai ranks 685th of 692 for the warmest September highs and 681st of 692 for the driest September (rainfall, lowest first). The mean September high of those 692 cities is 30.7°C; Valparai is 7.2°C cooler than that mean.
From September to October, average highs rise by 0.6°C to 24.1°C, and monthly rainfall rises from 356 mm to 379 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
Valparai climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 26.7°C16.1°C | 16.1°C | 25 | 5.2 | 11.612 h |
| February | 28.3°C16.9°C | 16.9°C | 46 | 6.8 | 11.812 h |
| March | 29.0°C18.3°C | 18.3°C | 139 | 15.2 | 12.112 h |
| April | 27.1°C19.4°C | 19.4°C | 331 | 28.2 | 12.312 h |
| May | 25.4°C19.7°C | 19.7°C | 372 | 29.9 | 12.613 h |
| June | 23.0°C18.9°C | 18.9°C | 509 | 29.5 | 12.713 h |
| July | 22.3°C18.3°C | 18.3°C | 611 | 30.7 | 12.713 h |
| August | 22.6°C18.2°C | 18.2°C | 499 | 30.6 | 12.512 h |
| September, selected | 23.5°C18.2°C | 18.2°C | 356 | 28.2 | 12.212 h |
| October | 24.1°C18.0°C | 18.0°C | 379 | 27.8 | 11.912 h |
| November | 24.5°C17.7°C | 17.7°C | 238 | 21.1 | 11.712 h |
| December | 24.9°C16.7°C | 16.7°C | 87 | 11.1 | 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
- Pollachi in SeptemberIndia · 37 kmHigh 28.9°C · Low 22.1°C · 81 mm rain
- Palakkad in SeptemberIndia · 59 kmHigh 29.0°C · Low 23.0°C · 117 mm rain
- Palani in SeptemberIndia · 64 kmHigh 31.9°C · Low 22.7°C · 89 mm rain
- Teni in SeptemberIndia · 67 kmHigh 31.7°C · Low 21.3°C · 76 mm rain
- Edattala in SeptemberIndia · 69 kmHigh 28.3°C · Low 23.3°C · 269 mm rain
- Coimbatore in SeptemberIndia · 75 kmHigh 29.4°C · Low 21.9°C · 84 mm rain
- Dharapuram in SeptemberIndia · 78 kmHigh 32.0°C · Low 23.1°C · 64 mm rain
- Idaiyarpālaiyam in SeptemberIndia · 79 kmHigh 28.4°C · Low 21.6°C · 84 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 Valparai) is explained once on the Valparai year overview and on the Sources, method and limits page.