September is close to Sivaganga's year-round average, with average highs near 33.5°C and lows around 24.5°C (mean 29°C). It is a relatively wet time of year, averaging 123 mm of rainfall and 71% relative humidity across the period.
September is close to Sivaganga's year-round average. Across 45 years of records, the warmest September in Sivaganga was 2002 — when the month averaged 31.3°C — while the coldest was 1983 at 26.8°C. Typical September days reach 33.5°C with nights near 24.5°C. The long-term trend is warming, about 0.4°C per decade.
September is a relatively wet time of year in Sivaganga, averaging 123 mm of rainfall. The wettest September on record was 1983 with 316 mm, while the driest was 2016 at 20 mm.
Relative humidity in Sivaganga during September averages 71%. The most humid September was 1981 at 83%, and the least humid was 2002 at 56%.
September receives about 5.7 kWh/m²/day of solar energy in Sivaganga. The sunniest Septembers were 2002 and 2003 at 6.3 kWh/m²/day, and the cloudiest were 1996 and 2020 at 5.1.
Average wind speed in Sivaganga during September is 2.5 m/s. The windiest Septembers were 1997 and 2015 at 3 m/s, while the calmest were 1990 and 2010 at 2 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 28.2°C | 28.7°C | 29.0°C | 29.7°C | 29.6°C | +1.4°C |
| Avg High | 32.5°C | 33.1°C | 33.4°C | 34.5°C | 34.3°C | +1.8°C |
| Avg Low | 23.8°C | 24.3°C | 24.5°C | 24.9°C | 24.9°C | +1.1°C |
| Avg Rain | 183 mm | 125 mm | 108 mm | 98 mm | 94 mm | -88 mm |
September temperatures in Sivaganga have risen by about 1.7°C between 1981–1985 and 2021–2025.
September has ranged from a record low of 20.9°C (1983) to a record high of 39.4°C (2002).
Rainfall in September is a relatively wet time of year, averaging 123 mm, with a wettest year of 316 mm.
Daytime highs and overnight lows have shifted differently — highs rose about 0.5°C per decade while lows rose 0.3°C per decade, widening the gap between day and night.
A quieter season to visit Sivaganga
If your dates are flexible, the more temperate months of January and December tend to be the most comfortable for visiting Sivaganga. That said, September — with days averaging 33.5°C and nights around 24.5°C (mean 29°C) and higher rainfall (123 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 | 34.4°C | 30.0°C | 25.6°C | 38.2°C | 23.6°C | 87 mm | 68% | 2.1 m/s | 5.4 |
| 2024 | 36.5°C | 31.0°C | 25.5°C | 39.1°C | 24.5°C | 22 mm | 62% | 2.6 m/s | 5.9 |
| 2023 | 34.4°C | 29.6°C | 24.9°C | 37.9°C | 23.3°C | 108 mm | 70% | 2.9 m/s | 5.4 |
| 2022 | 33.4°C | 28.8°C | 24.2°C | 36.2°C | 22.8°C | 68 mm | 73% | 2.2 m/s | 5.9 |
| 2021 | 33.5°C | 29.0°C | 24.6°C | 36.7°C | 22.2°C | 177 mm | 72% | 2.2 m/s | 5.7 |
| 2020 | 33.3°C | 28.9°C | 24.4°C | 36.6°C | 23.6°C | 105 mm | 72% | 2.8 m/s | 5.1 |
| 2019 | 33.5°C | 29.2°C | 24.9°C | 37.9°C | 23.5°C | 153 mm | 72% | 2.6 m/s | 5.4 |
| 2018 | 35.3°C | 30.2°C | 25.1°C | 38.7°C | 23.6°C | 73 mm | 64% | 2.1 m/s | 6 |
| 2017 | 31.9°C | 28.1°C | 24.4°C | 34.6°C | 23.0°C | 136 mm | 79% | 2.4 m/s | 5.6 |
| 2016 | 36.4°C | 30.8°C | 25.2°C | 39.4°C | 23.2°C | 20 mm | 58% | 2.2 m/s | 6.1 |
| 2015 | 34.4°C | 29.8°C | 25.3°C | 38.9°C | 23.7°C | 133 mm | 68% | 3 m/s | 5.7 |
| 2014 | 34.6°C | 29.8°C | 25.0°C | 38.4°C | 23.7°C | 80 mm | 66% | 2.4 m/s | 5.9 |
| 2013 | 33.9°C | 29.2°C | 24.4°C | 37.6°C | 23.3°C | 69 mm | 70% | 2.7 m/s | 5.7 |
| 2012 | 35.5°C | 30.5°C | 25.5°C | 38.5°C | 24.1°C | 70 mm | 62% | 2.4 m/s | 5.8 |
| 2011 | 35.6°C | 30.3°C | 25.0°C | 37.7°C | 23.3°C | 103 mm | 63% | 2.3 m/s | 6 |
| 2010 | 33.7°C | 29.1°C | 24.5°C | 37.6°C | 23.3°C | 142 mm | 69% | 2 m/s | 5.5 |
| 2009 | 35.6°C | 30.5°C | 25.4°C | 38.6°C | 23.8°C | 46 mm | 63% | 2.8 m/s | 5.9 |
| 2008 | 33.6°C | 28.7°C | 23.8°C | 36.4°C | 22.5°C | 31 mm | 72% | 2.5 m/s | 6.1 |
| 2007 | 33.7°C | 29.0°C | 24.4°C | 36.3°C | 23.1°C | 55 mm | 71% | 2.8 m/s | 5.6 |
| 2006 | 30.8°C | 27.4°C | 23.9°C | 34.1°C | 22.5°C | 117 mm | 81% | 2.9 m/s | 5.7 |
| 2005 | 33.8°C | 29.1°C | 24.4°C | 36.7°C | 22.9°C | 97 mm | 72% | 2.7 m/s | 5.6 |
| 2004 | 31.0°C | 27.6°C | 24.2°C | 36.2°C | 22.8°C | 283 mm | 79% | 2.3 m/s | 5.2 |
| 2003 | 34.4°C | 29.4°C | 24.3°C | 37.1°C | 23.1°C | 106 mm | 69% | 2.3 m/s | 6.3 |
| 2002 🔥 | 37.0°C | 31.3°C | 25.6°C | 39.4°C | 24.0°C | 37 mm | 56% | 2.7 m/s | 6.3 |
| 2001 | 32.4°C | 28.4°C | 24.3°C | 37.1°C | 22.7°C | 138 mm | 75% | 2.5 m/s | 6 |
| 2000 | 32.1°C | 28.1°C | 24.2°C | 36.2°C | 23.3°C | 174 mm | 77% | 2.3 m/s | 5.6 |
| 1999 | 35.3°C | 30.3°C | 25.2°C | 38.6°C | 23.7°C | 43 mm | 60% | 2.9 m/s | 5.9 |
| 1998 | 30.9°C | 27.3°C | 23.7°C | 33.6°C | 22.5°C | 146 mm | 82% | 2.6 m/s | 5.8 |
| 1997 | 33.3°C | 28.9°C | 24.4°C | 36.5°C | 22.5°C | 101 mm | 73% | 3 m/s | 5.7 |
| 1996 | 31.4°C | 27.5°C | 23.7°C | 33.5°C | 22.0°C | 112 mm | 79% | 2.3 m/s | 5.1 |
| 1995 | 34.9°C | 29.9°C | 24.8°C | 37.2°C | 23.6°C | 50 mm | 65% | 2.6 m/s | 5.6 |
| 1994 | 34.0°C | 29.1°C | 24.3°C | 37.9°C | 21.9°C | 125 mm | 68% | 2.7 m/s | 5.8 |
| 1993 | 33.5°C | 28.9°C | 24.3°C | 36.5°C | 22.9°C | 52 mm | 68% | 2.1 m/s | 5.6 |
| 1992 | 31.9°C | 27.9°C | 23.9°C | 36.0°C | 23.0°C | 230 mm | 75% | 2.4 m/s | 5.4 |
| 1991 | 32.5°C | 28.2°C | 23.9°C | 34.9°C | 21.5°C | 224 mm | 76% | 2.2 m/s | 5.9 |
| 1990 | 33.7°C | 29.2°C | 24.8°C | 38.3°C | 23.2°C | 170 mm | 67% | 2 m/s | 5.6 |
| 1989 | 33.0°C | 28.5°C | 24.1°C | 37.0°C | 22.1°C | 145 mm | 72% | 2.5 m/s | 5.4 |
| 1988 | 30.9°C | 27.2°C | 23.6°C | 33.8°C | 21.7°C | 248 mm | 83% | 2.7 m/s | 5.4 |
| 1987 | 33.1°C | 28.8°C | 24.5°C | 38.2°C | 23.1°C | 122 mm | 72% | 2.5 m/s | 5.6 |
| 1986 | 33.3°C | 28.7°C | 24.0°C | 37.5°C | 22.8°C | 163 mm | 69% | 2.4 m/s | 5.6 |
| 1985 | 32.8°C | 28.3°C | 23.8°C | 37.3°C | 21.9°C | 178 mm | 71% | 2.2 m/s | 5.5 |
| 1984 | 33.1°C | 28.5°C | 23.8°C | 37.0°C | 22.2°C | 135 mm | 70% | 2.2 m/s | 5.8 |
| 1983 ❄️ 🌧️ | 30.5°C | 26.8°C | 23.0°C | 32.8°C | 20.9°C | 316 mm | 82% | 2.7 m/s | — |
| 1982 | 35.1°C | 29.5°C | 23.9°C | 38.2°C | 22.0°C | 61 mm | 63% | 2.8 m/s | — |
| 1981 | 30.6°C | 27.1°C | 23.6°C | 33.7°C | 22.2°C | 276 mm | 83% | 2.3 m/s | — |
Actual recorded September data for each year, 1981–2025 — sourced from NASA POWER.
The average high in September is around 33.5°C with lows near 24.5°C (mean 29°C), based on 45 years of NASA POWER data.
September averages 123 mm of rainfall in Sivaganga, a relatively wet time of year. The wettest on record was 316 mm in 1983.
The hottest September reached 39.4°C in 2002. The coldest dipped to 20.9°C in 1983.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average September temperatures have risen by about 1.7°C. Daytime highs moved from 32.4°C to 34.4°C and overnight lows from 23.6°C to 25°C over the same span.
September is close to Sivaganga's year-round average and a relatively wet time of year, so plan for around 33.5°C daytime highs and 24.5°C at night.
Not quite — September is the 6th coolest month in Sivaganga, averaging 29°C.
For September in Sivaganga, pack light, breathable clothing and sun protection, with typical highs of 33.5°C and lows of 24.5°C. Bring an umbrella or light rain jacket too.
Relative humidity in September averages 71% — moderately humid.
Average wind speed in September is 2.5 m/s. The windiest September on record averaged 3 m/s (1997).
The wettest September on record was 1983 with 316 mm. On average, September sees 123 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 Sivaganga 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.
