September is close to Mysuru's year-round average, with average highs near 31.1°C and lows around 17.9°C (mean 24.5°C). It is a relatively wet time of year, averaging 132 mm of rainfall and 81% relative humidity across the period.
September is close to Mysuru's year-round average. Across 45 years of records, the warmest September in Mysuru was 2015 — when the month averaged 27°C — while the coldest was 1983 at 22.8°C. Typical September days reach 31.1°C with nights near 17.9°C. The long-term trend is warming, about 0.2°C per decade.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 24.3°C | 24.2°C | 24.4°C | 25.0°C | 24.8°C | +0.5°C |
| Avg High | 30.9°C | 30.7°C | 30.9°C | 31.9°C | 31.2°C | +0.3°C |
| Avg Low | 17.6°C | 17.8°C | 17.9°C | 18.1°C | 18.4°C | +0.8°C |
| Avg Rain | 138 mm | 125 mm | 136 mm | 138 mm | 119 mm | -19 mm |
September temperatures in Mysuru have risen by about 0.8°C between 1981–1985 and 2021–2025.
September has ranged from a record low of 15.7°C (1994) to a record high of 34.9°C (2015).
Rainfall in September is a relatively wet time of year, averaging 132 mm, with a wettest year of 270 mm.
A good time to visit Mysuru
September is a good time to visit Mysuru, with days averaging 31.1°C and nights around 17.9°C (mean 24.5°C, close to Mysuru's yearly average) and higher rainfall. January and December are marginally more temperate, but September still suits most travellers.
| Year | High | Low | Avg | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|
| 2025 | 31.6°C | 18.9°C | 25.2°C | 105 mm | 79% | 2.6 m/s | 4.7 |
| 2024 | 32.0°C | 18.9°C | 25.4°C | 41 mm | 78% | 3 m/s | 5 |
| 2023 | 32.7°C | 18.9°C | 25.8°C | 132 mm | 79% | 3 m/s | 4.8 |
| 2022 | 29.3°C | 17.8°C | 23.6°C | 143 mm | 87% | 2.3 m/s | 4.9 |
| 2021 | 31.6°C | 18.8°C | 25.2°C | 122 mm | 80% | 2.8 m/s | 4.9 |
| 2020 | 29.7°C | 17.2°C | 23.5°C | 173 mm | 85% | 2.8 m/s | 4.4 |
| 2019 | 32.1°C | 18.4°C | 25.3°C | 165 mm | 82% | 2.8 m/s | 4.7 |
| 2018 | 34.3°C | 18.1°C | 26.2°C | 131 mm | 73% | 2.2 m/s | 5.8 |
| 2017 🌧️ | 30.0°C | 18.3°C | 24.2°C | 270 mm | 85% | 2 m/s | 4.9 |
| 2016 | 33.2°C | 17.6°C | 25.4°C | 33 mm | 73% | 3.2 m/s | 4.9 |
| 2015 🔥 | 34.9°C | 19.0°C | 27.0°C | 104 mm | 75% | 2.5 m/s | 5.5 |
| 2014 | 30.5°C | 18.5°C | 24.5°C | 177 mm | 83% | 2.7 m/s | 5.2 |
| 2013 | 29.5°C | 17.8°C | 23.6°C | 183 mm | 85% | 2.6 m/s | 5 |
| 2012 | 32.6°C | 18.2°C | 25.4°C | 86 mm | 78% | 3.1 m/s | 5.3 |
| 2011 | 32.3°C | 17.2°C | 24.8°C | 93 mm | 80% | 3.2 m/s | 5.2 |
| 2010 | 29.4°C | 17.8°C | 23.6°C | 140 mm | 84% | 2.5 m/s | 5 |
| 2009 | 30.6°C | 18.3°C | 24.4°C | 193 mm | 85% | 2.7 m/s | 4.9 |
| 2008 | 28.7°C | 17.1°C | 22.9°C | 102 mm | 85% | 2.5 m/s | 5.6 |
| 2007 | 28.9°C | 17.3°C | 23.1°C | 202 mm | 87% | 2.8 m/s | 4.7 |
| 2006 | 32.3°C | 17.6°C | 24.9°C | 110 mm | 80% | 2.9 m/s | 5.2 |
| 2005 | 29.5°C | 18.6°C | 24.1°C | 147 mm | 86% | 2.9 m/s | 5 |
| 2004 | 30.2°C | 17.8°C | 24.0°C | 170 mm | 85% | 2.1 m/s | 5.3 |
| 2003 | 33.3°C | 18.4°C | 25.8°C | 46 mm | 78% | 3 m/s | 5.6 |
| 2002 | 33.5°C | 17.6°C | 25.6°C | 64 mm | 73% | 2.7 m/s | 6 |
| 2001 | 31.6°C | 18.3°C | 25.0°C | 173 mm | 81% | 2.1 m/s | 5.6 |
| 2000 | 30.0°C | 18.2°C | 24.1°C | 154 mm | 83% | 2.1 m/s | 5.3 |
| 1999 | 32.9°C | 18.4°C | 25.6°C | 120 mm | 77% | 2.7 m/s | 5.6 |
| 1998 | 28.5°C | 18.1°C | 23.3°C | 174 mm | 88% | 2.6 m/s | 4.9 |
| 1997 | 30.4°C | 17.9°C | 24.1°C | 136 mm | 83% | 2.2 m/s | 5.3 |
| 1996 | 28.6°C | 18.0°C | 23.3°C | 186 mm | 86% | 2.7 m/s | 5.1 |
| 1995 | 29.7°C | 17.8°C | 23.7°C | 135 mm | 84% | 2.8 m/s | 5.4 |
| 1994 | 32.4°C | 15.7°C | 24.0°C | 63 mm | 77% | 3 m/s | 5.7 |
| 1993 | 29.6°C | 17.5°C | 23.6°C | 131 mm | 82% | 2.6 m/s | 5.6 |
| 1992 | 30.3°C | 18.0°C | 24.2°C | 119 mm | 81% | 2.5 m/s | 5 |
| 1991 | 31.6°C | 17.9°C | 24.8°C | 117 mm | 81% | 2.3 m/s | 5.5 |
| 1990 | 32.5°C | 18.4°C | 25.5°C | 64 mm | 77% | 2.8 m/s | 5.3 |
| 1989 | 30.1°C | 17.2°C | 23.6°C | 156 mm | 83% | 2.4 m/s | 5.1 |
| 1988 | 29.1°C | 18.1°C | 23.6°C | 208 mm | 86% | 2.8 m/s | 5.3 |
| 1987 | 32.6°C | 18.5°C | 25.5°C | 64 mm | 77% | 2.4 m/s | 5.6 |
| 1986 | 32.0°C | 17.2°C | 24.6°C | 203 mm | 79% | 2.6 m/s | 5.1 |
| 1985 | 31.7°C | 17.6°C | 24.6°C | 77 mm | 76% | 2.5 m/s | 5.3 |
| 1984 | 33.2°C | 17.6°C | 25.4°C | 83 mm | 75% | 2.4 m/s | 5 |
| 1983 ❄️ | 28.7°C | 17.0°C | 22.8°C | 167 mm | 85% | 3.3 m/s | — |
| 1982 | 31.5°C | 17.3°C | 24.4°C | 94 mm | 78% | 2.8 m/s | — |
| 1981 | 29.4°C | 18.2°C | 23.8°C | 187 mm | 86% | 2.3 m/s | — |
Actual recorded September data for each year, 1981–2025 — sourced from NASA POWER.
The average high in September is around 31.1°C with lows near 17.9°C (mean 24.5°C), based on 45 years of NASA POWER data.
September averages 132 mm of rainfall in Mysuru, a relatively wet time of year. The wettest on record was 270 mm in 2017.
The hottest September reached 34.9°C in 2015. The coldest dipped to 15.7°C in 1994.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average September temperatures have risen by about 0.8°C. Daytime highs moved from 30.9°C to 31.4°C and overnight lows from 17.5°C to 18.7°C over the same span.
September is close to Mysuru's year-round average and a relatively wet time of year, so plan for around 31.1°C daytime highs and 17.9°C at night.
Not quite — September is the 5th coolest month in Mysuru, averaging 24.5°C.
For September in Mysuru, pack light, breathable clothing and sun protection, with typical highs of 31.1°C and lows of 17.9°C. Bring an umbrella or light rain jacket too.
Relative humidity in September averages 81% — quite humid.
Average wind speed in September is 2.6 m/s. The windiest September on record averaged 3.3 m/s (1983).
The wettest September on record was 2017 with 270 mm. On average, September sees 132 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 Mysuru 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.
