September is close to Kallakurichi's year-round average, with average highs near 32.4°C and lows around 22.7°C (mean 27.6°C). It is a relatively wet time of year, averaging 126 mm of rainfall and 73% relative humidity across the period.
September is close to Kallakurichi's year-round average. Across 45 years of records, the warmest September in Kallakurichi was 2002 — when the month averaged 29.5°C — while the coldest was 1983 at 25.5°C. Typical September days reach 32.4°C with nights near 22.7°C. The long-term September temperature trend is broadly flat.
September is a relatively wet time of year in Kallakurichi, averaging 126 mm of rainfall. The wettest September on record was 1983 with 261 mm, while the driest was 2016 at 27 mm.
Relative humidity in Kallakurichi during September averages 73%. The most humid September was 1981 at 84%, and the least humid was 1999 at 60%.
September receives about 5.4 kWh/m²/day of solar energy in Kallakurichi. The sunniest Septembers were 2002 and 2003 at 6.1 kWh/m²/day, and the cloudiest were 1996 and 2020 at 4.8.
Average wind speed in Kallakurichi during September is 2.2 m/s. The windiest Septembers were 1983 and 2023 at 2.6 m/s, while the calmest were 2004, 2017 and 2018, among others at 1.8 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 27.1°C | 27.7°C | 27.7°C | 27.8°C | 27.5°C | +0.4°C |
| Avg High | 31.8°C | 32.6°C | 32.5°C | 32.7°C | 32.1°C | +0.3°C |
| Avg Low | 22.4°C | 22.8°C | 22.9°C | 22.8°C | 22.9°C | +0.5°C |
| Avg Rain | 154 mm | 123 mm | 108 mm | 122 mm | 122 mm | -32 mm |
September temperatures in Kallakurichi have risen by about 0.9°C between 1981–1985 and 2021–2025.
September has ranged from a record low of 18.9°C (1983) to a record high of 39.1°C (2002).
Rainfall in September is a relatively wet time of year, averaging 126 mm, with a wettest year of 261 mm.
A quieter season to visit Kallakurichi
If your dates are flexible, the more temperate months of January and December tend to be the most comfortable for visiting Kallakurichi. That said, September — with days averaging 32.4°C and nights around 22.7°C (mean 27.6°C) and higher rainfall (126 mm) — can still be rewarding for travellers who don't mind the warmth, and often means fewer crowds.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 33.0°C | 28.2°C | 23.5°C | 36.8°C | 22.1°C | 152 mm | 73% | 1.9 m/s | 5.3 |
| 2024 | 34.1°C | 28.7°C | 23.4°C | 37.2°C | 22.2°C | 31 mm | 70% | 2.5 m/s | 5.8 |
| 2023 | 32.5°C | 27.7°C | 22.9°C | 35.9°C | 21.7°C | 129 mm | 75% | 2.6 m/s | 5.6 |
| 2022 | 31.3°C | 26.9°C | 22.5°C | 33.8°C | 21.3°C | 103 mm | 78% | 1.9 m/s | 5.4 |
| 2021 | 31.1°C | 26.8°C | 22.5°C | 33.5°C | 20.8°C | 159 mm | 79% | 2.1 m/s | 5.3 |
| 2020 | 30.5°C | 26.4°C | 22.4°C | 33.2°C | 20.6°C | 159 mm | 80% | 2.3 m/s | 4.8 |
| 2019 | 30.9°C | 26.8°C | 22.7°C | 35.4°C | 21.3°C | 203 mm | 80% | 2.3 m/s | 5.1 |
| 2018 | 34.6°C | 28.9°C | 23.3°C | 38.8°C | 21.0°C | 108 mm | 66% | 1.8 m/s | 5.6 |
| 2017 | 30.6°C | 26.7°C | 22.7°C | 33.6°C | 20.6°C | 164 mm | 81% | 1.8 m/s | 5.2 |
| 2016 | 34.4°C | 28.7°C | 23.0°C | 37.6°C | 21.8°C | 27 mm | 63% | 2.2 m/s | 5.4 |
| 2015 | 33.9°C | 28.6°C | 23.4°C | 37.5°C | 21.8°C | 84 mm | 68% | 2.1 m/s | 5.6 |
| 2014 | 33.8°C | 28.6°C | 23.3°C | 37.3°C | 21.5°C | 100 mm | 68% | 2.2 m/s | 5.5 |
| 2013 | 30.8°C | 26.5°C | 22.2°C | 33.8°C | 20.1°C | 167 mm | 79% | 2.2 m/s | 5.6 |
| 2012 | 32.9°C | 27.8°C | 22.7°C | 36.3°C | 21.3°C | 134 mm | 71% | 2.2 m/s | 5.6 |
| 2011 | 33.5°C | 28.1°C | 22.7°C | 35.9°C | 21.4°C | 133 mm | 70% | 2.4 m/s | 5.9 |
| 2010 | 31.7°C | 27.0°C | 22.2°C | 33.7°C | 21.0°C | 97 mm | 77% | 2 m/s | 5.1 |
| 2009 | 33.9°C | 28.6°C | 23.3°C | 37.4°C | 21.7°C | 94 mm | 69% | 2.5 m/s | 5.7 |
| 2008 | 31.9°C | 26.9°C | 22.0°C | 35.4°C | 20.4°C | 43 mm | 75% | 2.1 m/s | 5.6 |
| 2007 | 31.6°C | 27.0°C | 22.4°C | 34.0°C | 20.6°C | 77 mm | 76% | 2.4 m/s | 5.3 |
| 2006 | 32.0°C | 27.3°C | 22.7°C | 35.1°C | 21.3°C | 77 mm | 75% | 2.5 m/s | 5.4 |
| 2005 | 32.7°C | 27.9°C | 23.0°C | 36.6°C | 21.4°C | 105 mm | 73% | 2.4 m/s | 5.5 |
| 2004 | 30.4°C | 26.5°C | 22.6°C | 35.9°C | 21.3°C | 257 mm | 79% | 1.8 m/s | 4.9 |
| 2003 | 34.0°C | 28.5°C | 23.0°C | 37.5°C | 22.1°C | 89 mm | 68% | 2.3 m/s | 6.1 |
| 2002 🔥 | 35.3°C | 29.5°C | 23.7°C | 39.1°C | 22.1°C | 61 mm | 60% | 2.4 m/s | 6.1 |
| 2001 | 31.6°C | 27.3°C | 23.0°C | 36.0°C | 22.0°C | 134 mm | 74% | 1.9 m/s | 5.5 |
| 2000 | 31.7°C | 27.3°C | 22.8°C | 36.0°C | 21.8°C | 149 mm | 76% | 1.8 m/s | 5.4 |
| 1999 | 35.0°C | 29.3°C | 23.6°C | 37.9°C | 21.8°C | 71 mm | 60% | 2.3 m/s | 5.9 |
| 1998 | 31.0°C | 26.8°C | 22.5°C | 34.1°C | 21.2°C | 139 mm | 79% | 2.4 m/s | 5.3 |
| 1997 | 32.7°C | 27.9°C | 23.0°C | 37.7°C | 21.2°C | 113 mm | 72% | 2.1 m/s | 5.4 |
| 1996 | 30.2°C | 26.2°C | 22.1°C | 33.5°C | 20.9°C | 147 mm | 81% | 2.2 m/s | 4.8 |
| 1995 | 33.1°C | 27.9°C | 22.8°C | 35.8°C | 21.7°C | 93 mm | 70% | 2.4 m/s | 5.3 |
| 1994 | 34.5°C | 28.7°C | 22.9°C | 38.5°C | 19.9°C | 84 mm | 63% | 2.5 m/s | 5.6 |
| 1993 | 32.5°C | 27.5°C | 22.5°C | 35.9°C | 21.6°C | 83 mm | 71% | 2 m/s | 5.3 |
| 1992 | 32.2°C | 27.4°C | 22.6°C | 36.2°C | 21.4°C | 188 mm | 71% | 2.1 m/s | 5.1 |
| 1991 | 32.0°C | 27.4°C | 22.7°C | 35.5°C | 21.2°C | 165 mm | 73% | 1.8 m/s | 5.6 |
| 1990 | 32.6°C | 27.8°C | 22.9°C | 38.1°C | 21.3°C | 145 mm | 69% | 2 m/s | 5.2 |
| 1989 | 32.1°C | 27.4°C | 22.6°C | 37.2°C | 20.9°C | 121 mm | 71% | 2.1 m/s | 5 |
| 1988 | 30.5°C | 26.4°C | 22.2°C | 33.3°C | 20.3°C | 182 mm | 81% | 2.3 m/s | 5.2 |
| 1987 | 33.3°C | 28.3°C | 23.3°C | 38.1°C | 22.4°C | 90 mm | 70% | 1.9 m/s | 5.5 |
| 1986 | 32.7°C | 27.7°C | 22.6°C | 37.0°C | 21.5°C | 158 mm | 70% | 1.9 m/s | 5.7 |
| 1985 | 32.0°C | 27.1°C | 22.2°C | 37.0°C | 20.6°C | 146 mm | 72% | 2 m/s | 5.3 |
| 1984 | 32.8°C | 27.6°C | 22.3°C | 36.7°C | 20.0°C | 128 mm | 69% | 2 m/s | 5.4 |
| 1983 ❄️ 🌧️ | 29.6°C | 25.5°C | 21.4°C | 32.7°C | 18.9°C | 261 mm | 82% | 2.6 m/s | — |
| 1982 | 33.9°C | 28.3°C | 22.7°C | 38.9°C | 21.4°C | 80 mm | 63% | 2.3 m/s | — |
| 1981 | 29.4°C | 25.7°C | 22.0°C | 32.1°C | 20.7°C | 221 mm | 84% | 2 m/s | — |
Actual recorded September data for each year, 1981–2025 — sourced from NASA POWER.
The average high in September is around 32.4°C with lows near 22.7°C (mean 27.6°C), based on 45 years of NASA POWER data.
September averages 126 mm of rainfall in Kallakurichi, a relatively wet time of year. The wettest on record was 261 mm in 1983.
The hottest September reached 39.1°C in 2002. The coldest dipped to 18.9°C in 1983.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average September temperatures have risen by about 0.9°C. Daytime highs moved from 31.5°C to 32.4°C and overnight lows from 22.1°C to 23°C over the same span.
September is close to Kallakurichi's year-round average and a relatively wet time of year, so plan for around 32.4°C daytime highs and 22.7°C at night.
Not quite — September is the 6th coolest month in Kallakurichi, averaging 27.6°C.
For September in Kallakurichi, pack light, breathable clothing and sun protection, with typical highs of 32.4°C and lows of 22.7°C. Bring an umbrella or light rain jacket too.
Relative humidity in September averages 73% — moderately humid.
Average wind speed in September is 2.2 m/s. The windiest September on record averaged 2.6 m/s (1983).
The wettest September on record was 1983 with 261 mm. On average, September sees 126 mm.
All figures are derived from NASA POWER (Prediction Of Worldwide Energy Resources), based on MERRA-2 satellite reanalysis, covering 1981–2025.
Explore how the weather in Kallakurichi behaves each September, based on 45 years of NASA POWER climate data from 1981 to 2025. This page breaks down average temperatures, rainfall, humidity, wind and solar radiation for September specifically, along with year-by-year records and how the month has changed over the decades.
