September is close to Kolar's year-round average, with average highs near 31.2°C and lows around 17.9°C (mean 24.5°C). It is a relatively wet time of year, averaging 150 mm of rainfall and 80% relative humidity across the period.
September is close to Kolar's year-round average. Across 45 years of records, the warmest September in Kolar was 2015 — when the month averaged 26.3°C — while the coldest was 2020 at 22.7°C. Typical September days reach 31.2°C with nights near 17.9°C. The long-term September temperature trend is broadly flat.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 24.4°C | 24.5°C | 24.7°C | 24.8°C | 24.2°C | -0.2°C |
| Avg High | 31.3°C | 30.9°C | 31.3°C | 31.6°C | 30.4°C | -0.9°C |
| Avg Low | 17.5°C | 18.0°C | 18.0°C | 18.0°C | 17.9°C | +0.4°C |
| Avg Rain | 157 mm | 145 mm | 154 mm | 144 mm | 153 mm | -4 mm |
September temperatures in Kolar have stayed relatively stable across the record.
September has ranged from a record low of 16°C (1994) to a record high of 34.4°C (2002).
Rainfall in September is a relatively wet time of year, averaging 150 mm, with a wettest year of 312 mm.
Daytime highs and overnight lows have shifted differently — highs fell about 0.1°C per decade while lows rose 0.1°C per decade, narrowing the gap between day and night.
A good time to visit Kolar
September is a good time to visit Kolar, with days averaging 31.2°C and nights around 17.9°C (mean 24.5°C, close to Kolar's yearly average) and higher rainfall. January and February are marginally more temperate, but September still suits most travellers.
| Year | High | Low | Avg | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|
| 2025 | 30.3°C | 18.3°C | 24.3°C | 158 mm | 82% | 2.7 m/s | 4.9 |
| 2024 | 32.0°C | 18.4°C | 25.2°C | 51 mm | 77% | 3.4 m/s | 5.1 |
| 2023 | 32.2°C | 18.7°C | 25.5°C | 164 mm | 80% | 3.1 m/s | 5.1 |
| 2022 | 29.2°C | 17.5°C | 23.3°C | 193 mm | 86% | 2.6 m/s | 5.1 |
| 2021 | 30.1°C | 17.9°C | 24.0°C | 139 mm | 82% | 3 m/s | 5.2 |
| 2020 ❄️ | 28.7°C | 16.7°C | 22.7°C | 211 mm | 86% | 3.1 m/s | 4.7 |
| 2019 | 31.0°C | 18.6°C | 24.8°C | 175 mm | 81% | 3.1 m/s | 4.9 |
| 2018 | 33.0°C | 17.5°C | 25.2°C | 136 mm | 74% | 2.2 m/s | 5.6 |
| 2017 🌧️ | 28.7°C | 17.8°C | 23.3°C | 312 mm | 86% | 2.2 m/s | 5.1 |
| 2016 | 32.2°C | 18.1°C | 25.2°C | 39 mm | 74% | 3.3 m/s | 4.8 |
| 2015 🔥 | 34.3°C | 18.4°C | 26.3°C | 108 mm | 73% | 2.5 m/s | 5.3 |
| 2014 | 33.2°C | 18.3°C | 25.8°C | 135 mm | 77% | 3.2 m/s | 5.4 |
| 2013 | 28.9°C | 17.6°C | 23.2°C | 234 mm | 85% | 2.8 m/s | 5.2 |
| 2012 | 33.0°C | 18.2°C | 25.6°C | 66 mm | 74% | 3 m/s | 5.5 |
| 2011 | 31.4°C | 17.3°C | 24.3°C | 112 mm | 76% | 3.4 m/s | 5.7 |
| 2010 | 29.8°C | 18.0°C | 23.9°C | 123 mm | 83% | 2.8 m/s | 5.2 |
| 2009 | 31.6°C | 18.2°C | 24.9°C | 259 mm | 81% | 2.9 m/s | 5.2 |
| 2008 | 29.3°C | 16.8°C | 23.0°C | 99 mm | 84% | 2.6 m/s | 5.5 |
| 2007 | 28.7°C | 17.1°C | 22.9°C | 182 mm | 86% | 3.1 m/s | 5.4 |
| 2006 | 33.2°C | 18.3°C | 25.7°C | 76 mm | 75% | 3.2 m/s | 5.3 |
| 2005 | 29.6°C | 18.7°C | 24.2°C | 152 mm | 84% | 3 m/s | 5.2 |
| 2004 | 30.9°C | 17.5°C | 24.2°C | 233 mm | 85% | 2.3 m/s | 5 |
| 2003 | 32.3°C | 18.7°C | 25.5°C | 74 mm | 75% | 3.2 m/s | 5.6 |
| 2002 | 34.4°C | 17.5°C | 26.0°C | 87 mm | 70% | 2.8 m/s | 5.8 |
| 2001 | 32.4°C | 18.4°C | 25.4°C | 207 mm | 81% | 2.1 m/s | 5.3 |
| 2000 | 30.6°C | 19.0°C | 24.8°C | 175 mm | 82% | 2.4 m/s | 5.6 |
| 1999 | 33.0°C | 18.7°C | 25.8°C | 153 mm | 74% | 3 m/s | 5.5 |
| 1998 | 28.3°C | 18.4°C | 23.4°C | 164 mm | 86% | 2.9 m/s | 5.1 |
| 1997 | 32.1°C | 18.0°C | 25.1°C | 176 mm | 81% | 2.3 m/s | 4.9 |
| 1996 | 28.7°C | 17.9°C | 23.3°C | 211 mm | 86% | 2.6 m/s | 4.8 |
| 1995 | 29.8°C | 18.4°C | 24.1°C | 151 mm | 82% | 3.1 m/s | 5 |
| 1994 | 33.2°C | 16.0°C | 24.6°C | 56 mm | 71% | 3.2 m/s | 5.2 |
| 1993 | 29.5°C | 17.4°C | 23.5°C | 157 mm | 81% | 2.9 m/s | 5.2 |
| 1992 | 31.9°C | 18.6°C | 25.2°C | 120 mm | 76% | 2.7 m/s | 4.8 |
| 1991 | 30.8°C | 17.6°C | 24.2°C | 153 mm | 80% | 2.3 m/s | 5.1 |
| 1990 | 32.1°C | 18.7°C | 25.4°C | 113 mm | 75% | 2.9 m/s | 5 |
| 1989 | 31.0°C | 17.5°C | 24.2°C | 184 mm | 81% | 2.5 m/s | 5 |
| 1988 | 29.1°C | 17.6°C | 23.3°C | 217 mm | 86% | 2.9 m/s | 4.9 |
| 1987 | 32.7°C | 18.4°C | 25.6°C | 90 mm | 76% | 2.4 m/s | 5.1 |
| 1986 | 33.1°C | 17.3°C | 25.2°C | 227 mm | 76% | 2.3 m/s | 5.4 |
| 1985 | 32.0°C | 17.4°C | 24.7°C | 89 mm | 76% | 2.6 m/s | 5.2 |
| 1984 | 32.8°C | 17.3°C | 25.1°C | 96 mm | 71% | 2.7 m/s | 5.1 |
| 1983 | 28.9°C | 16.9°C | 22.9°C | 184 mm | 84% | 3.4 m/s | — |
| 1982 | 33.1°C | 17.3°C | 25.2°C | 113 mm | 74% | 3 m/s | — |
| 1981 | 28.7°C | 18.2°C | 23.4°C | 214 mm | 86% | 2.5 m/s | — |
Actual recorded September data for each year, 1981–2025 — sourced from NASA POWER.
The average high in September is around 31.2°C with lows near 17.9°C (mean 24.5°C), based on 45 years of NASA POWER data.
September averages 150 mm of rainfall in Kolar, a relatively wet time of year. The wettest on record was 312 mm in 2017.
The hottest September reached 34.4°C in 2002. The coldest dipped to 16°C in 1994.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average September temperatures have risen by about 0.2°C. Daytime highs moved from 31.1°C to 30.8°C and overnight lows from 17.4°C to 18.2°C over the same span.
September is close to Kolar's year-round average and a relatively wet time of year, so plan for around 31.2°C daytime highs and 17.9°C at night.
Not quite — September is the 6th coolest month in Kolar, averaging 24.5°C.
For September in Kolar, pack light, breathable clothing and sun protection, with typical highs of 31.2°C and lows of 17.9°C. Bring an umbrella or light rain jacket too.
Relative humidity in September averages 80% — quite humid.
Average wind speed in September is 2.8 m/s. The windiest September on record averaged 3.4 m/s (1983).
The wettest September on record was 2017 with 312 mm. On average, September sees 150 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 Kolar 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.
