September is one of the cooler months of the year in Kanyakumari, with average highs near 28.2°C and lows around 25.8°C (mean 27°C). It is a relatively wet time of year, averaging 141 mm of rainfall and 85% relative humidity across the period.
September is one of the cooler months of the year in Kanyakumari. Across 45 years of records, the warmest September in Kanyakumari was 2024 — when the month averaged 28.3°C — while the coldest was 1986 at 26.1°C. Typical September days reach 28.2°C with nights near 25.8°C. The long-term trend is warming, about 0.3°C per decade.
September is a relatively wet time of year in Kanyakumari, averaging 141 mm of rainfall. The wettest September on record was 1981 with 500 mm, while the driest was 1991 at 4 mm.
Relative humidity in Kanyakumari during September averages 85%. The most humid September was 1998 at 89%, and the least humid was 2002 at 79%.
September receives about 5.5 kWh/m²/day of solar energy in Kanyakumari. The sunniest September was 2002 at 6.3 kWh/m²/day, and the cloudiest was 1996 at 4.5.
Average wind speed in Kanyakumari during September is 4.9 m/s. The windiest September was 1998 at 5.5 m/s, while the calmest was 2018 at 3.9 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 26.5°C | 26.8°C | 27.0°C | 27.4°C | 27.5°C | +1°C |
| Avg High | 27.7°C | 27.9°C | 28.1°C | 28.7°C | 28.8°C | +1.1°C |
| Avg Low | 25.4°C | 25.7°C | 25.9°C | 26.0°C | 26.3°C | +0.9°C |
| Avg Rain | 179 mm | 123 mm | 192 mm | 86 mm | 120 mm | -59 mm |
September temperatures in Kanyakumari have risen by about 1.1°C between 1981–1985 and 2021–2025.
September has ranged from a record low of 23.7°C (1984) to a record high of 32.4°C (2024).
Rainfall in September is a relatively wet time of year, averaging 141 mm, with a wettest year of 500 mm.
A good time to visit Kanyakumari
September is a good time to visit Kanyakumari, with days averaging 28.2°C and nights around 25.8°C (mean 27°C, close to Kanyakumari's yearly average) and higher rainfall. January and February are marginally more temperate, but September still suits most travellers.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 28.8°C | 27.6°C | 26.4°C | 29.7°C | 25.4°C | 84 mm | 86% | 4.6 m/s | 5.5 |
| 2024 🔥 | 29.6°C | 28.3°C | 27.0°C | 32.4°C | 26.4°C | 59 mm | 84% | 5.1 m/s | 5.7 |
| 2023 | 29.2°C | 27.9°C | 26.7°C | 29.9°C | 25.8°C | 170 mm | 81% | 4.8 m/s | 4.9 |
| 2022 | 28.3°C | 26.8°C | 25.4°C | 30.5°C | 24.7°C | 44 mm | 86% | 4.5 m/s | 5.9 |
| 2021 | 28.7°C | 27.5°C | 26.3°C | 30.2°C | 25.8°C | 187 mm | 86% | 5.1 m/s | 5.4 |
| 2020 | 28.1°C | 27.1°C | 26.1°C | 28.8°C | 25.1°C | 178 mm | 87% | 4.9 m/s | 4.6 |
| 2019 | 28.5°C | 27.5°C | 26.4°C | 29.7°C | 25.7°C | 157 mm | 85% | 4.2 m/s | 5.2 |
| 2018 | 28.4°C | 26.8°C | 25.3°C | 29.9°C | 24.2°C | 39 mm | 85% | 3.9 m/s | 6 |
| 2017 | 28.2°C | 27.1°C | 26.0°C | 28.8°C | 25.3°C | 168 mm | 87% | 4.7 m/s | 5.2 |
| 2016 | 28.7°C | 26.9°C | 25.1°C | 29.5°C | 24.2°C | 9 mm | 84% | 5.2 m/s | 6 |
| 2015 | 28.8°C | 27.7°C | 26.6°C | 30.7°C | 25.5°C | 161 mm | 84% | 4.6 m/s | 5.1 |
| 2014 | 28.6°C | 27.5°C | 26.4°C | 29.8°C | 25.7°C | 102 mm | 84% | 4.8 m/s | 5.5 |
| 2013 | 28.3°C | 27.1°C | 25.9°C | 29.4°C | 25.2°C | 74 mm | 84% | 5.4 m/s | 5.2 |
| 2012 | 29.2°C | 28.0°C | 26.7°C | 30.2°C | 26.0°C | 29 mm | 80% | 5.2 m/s | 5.9 |
| 2011 | 29.1°C | 27.7°C | 26.2°C | 31.1°C | 25.5°C | 46 mm | 81% | 5.4 m/s | 5.6 |
| 2010 | 28.7°C | 27.2°C | 25.6°C | 30.2°C | 24.6°C | 77 mm | 84% | 4.4 m/s | 5.5 |
| 2009 | 28.3°C | 27.1°C | 25.9°C | 29.3°C | 25.4°C | 99 mm | 86% | 5.2 m/s | 5.4 |
| 2008 | 28.5°C | 27.2°C | 26.0°C | 29.6°C | 25.4°C | 108 mm | 84% | 4.6 m/s | 6 |
| 2007 | 27.9°C | 27.0°C | 26.1°C | 28.6°C | 25.4°C | 171 mm | 87% | 5.2 m/s | 5.1 |
| 2006 | 27.7°C | 26.8°C | 25.8°C | 29.0°C | 25.5°C | 395 mm | 87% | 4.9 m/s | 5.2 |
| 2005 | 27.5°C | 26.6°C | 25.7°C | 28.8°C | 24.9°C | 193 mm | 88% | 5.4 m/s | 5.4 |
| 2004 | 27.5°C | 26.7°C | 25.8°C | 28.9°C | 24.9°C | 326 mm | 87% | 4.7 m/s | 5.4 |
| 2003 | 28.6°C | 27.3°C | 25.9°C | 30.4°C | 25.1°C | 13 mm | 84% | 4.7 m/s | 6.2 |
| 2002 | 29.5°C | 27.9°C | 26.3°C | 30.3°C | 25.9°C | 22 mm | 79% | 4.9 m/s | 6.3 |
| 2001 | 27.6°C | 26.6°C | 25.5°C | 28.6°C | 24.6°C | 458 mm | 88% | 4.9 m/s | 5.6 |
| 2000 | 27.7°C | 26.8°C | 25.9°C | 29.1°C | 25.0°C | 130 mm | 87% | 4.8 m/s | 5.6 |
| 1999 | 28.1°C | 26.9°C | 25.7°C | 29.3°C | 25.2°C | 38 mm | 84% | 4.5 m/s | 6 |
| 1998 | 27.4°C | 26.6°C | 25.7°C | 28.4°C | 24.9°C | 361 mm | 89% | 5.5 m/s | 5.5 |
| 1997 | 27.6°C | 26.7°C | 25.9°C | 28.7°C | 25.3°C | 371 mm | 87% | 4.8 m/s | 5.2 |
| 1996 | 27.4°C | 26.3°C | 25.3°C | 28.2°C | 24.8°C | 141 mm | 88% | 5.3 m/s | 4.5 |
| 1995 | 28.6°C | 27.3°C | 26.0°C | 29.8°C | 24.9°C | 54 mm | 84% | 5.4 m/s | 5.4 |
| 1994 | 27.8°C | 26.6°C | 25.5°C | 28.8°C | 24.9°C | 91 mm | 86% | 4.4 m/s | 5.4 |
| 1993 | 28.2°C | 26.9°C | 25.6°C | 29.2°C | 24.6°C | 39 mm | 84% | 5 m/s | 5.5 |
| 1992 | 27.2°C | 26.2°C | 25.1°C | 28.3°C | 24.0°C | 101 mm | 88% | 4.9 m/s | 5.2 |
| 1991 | 28.4°C | 27.2°C | 26.1°C | 29.6°C | 25.3°C | 4 mm | 84% | 5 m/s | 5.9 |
| 1990 | 28.6°C | 27.1°C | 25.7°C | 30.5°C | 25.2°C | 31 mm | 83% | 5.1 m/s | 5.6 |
| 1989 | 27.5°C | 26.5°C | 25.5°C | 28.4°C | 24.9°C | 280 mm | 86% | 5.2 m/s | 5.1 |
| 1988 | 27.6°C | 26.7°C | 25.8°C | 28.8°C | 25.0°C | 355 mm | 87% | 5.4 m/s | 4.6 |
| 1987 | 28.2°C | 27.1°C | 26.1°C | 29.8°C | 25.5°C | 149 mm | 84% | 4.8 m/s | 5.4 |
| 1986 ❄️ | 27.3°C | 26.1°C | 24.9°C | 28.0°C | 24.4°C | 56 mm | 87% | 4.7 m/s | 5.5 |
| 1985 | 27.8°C | 26.4°C | 25.1°C | 29.2°C | 24.4°C | 77 mm | 84% | 4.9 m/s | 5.4 |
| 1984 | 28.1°C | 26.4°C | 24.8°C | 29.5°C | 23.7°C | 40 mm | 83% | 4.6 m/s | 5.6 |
| 1983 | 27.7°C | 26.6°C | 25.5°C | 28.6°C | 24.4°C | 136 mm | 84% | 4.8 m/s | — |
| 1982 | 27.5°C | 26.4°C | 25.2°C | 28.4°C | 24.3°C | 20 mm | 86% | 4.5 m/s | — |
| 1981 🌧️ | 27.4°C | 26.5°C | 25.5°C | 28.2°C | 25.0°C | 500 mm | 88% | 4.9 m/s | — |
Actual recorded September data for each year, 1981–2025 — sourced from NASA POWER.
The average high in September is around 28.2°C with lows near 25.8°C (mean 27°C), based on 45 years of NASA POWER data.
September averages 141 mm of rainfall in Kanyakumari, a relatively wet time of year. The wettest on record was 500 mm in 1981.
The hottest September reached 32.4°C in 2024. The coldest dipped to 23.7°C in 1984.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average September temperatures have risen by about 1.1°C. Daytime highs moved from 27.7°C to 28.9°C and overnight lows from 25.2°C to 26.4°C over the same span.
September is one of the cooler months of the year in Kanyakumari and a relatively wet time of year, so plan for around 28.2°C daytime highs and 25.8°C at night.
Not quite — September is the 5th coolest month in Kanyakumari, averaging 27°C.
For September in Kanyakumari, pack light layers you can adjust through the day, with typical highs of 28.2°C and lows of 25.8°C. Bring an umbrella or light rain jacket too.
Relative humidity in September averages 85% — quite humid.
Average wind speed in September is 4.9 m/s. The windiest September on record averaged 5.5 m/s (1998).
The wettest September on record was 1981 with 500 mm. On average, September sees 141 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 Kanyakumari 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.
