September is one of the cooler months of the year in Mysuru, with average highs near 28.7°C and lows around 19.6°C (mean 24.2°C). It is a relatively wet time of year, averaging 132 mm of rainfall and 81% relative humidity across the period.
September is one of the cooler months of the year in Mysuru. Across 45 years of records, the warmest September in Mysuru was 2015 — when the month averaged 25.7°C — while the coldest was 1983 at 23°C. Typical September days reach 28.7°C with nights near 19.6°C. The long-term trend is warming, about 0.2°C per decade.
September is a relatively wet time of year in Mysuru, averaging 132 mm of rainfall. The wettest September on record was 2017 with 270 mm, while the driest was 2016 at 33 mm.
Relative humidity in Mysuru during September averages 81%. The most humid September was 1998 at 88%, and the least humid was 2018 at 73%.
September receives about 5.2 kWh/m²/day of solar energy in Mysuru. The sunniest September was 2002 at 6 kWh/m²/day, and the cloudiest was 2020 at 4.4.
Average wind speed in Mysuru during September is 2.6 m/s. The windiest September was 1983 at 3.3 m/s, while the calmest was 2017 at 2 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 24.0°C | 23.9°C | 24.1°C | 24.5°C | 24.5°C | +0.5°C |
| Avg High | 28.5°C | 28.3°C | 28.4°C | 29.2°C | 29.0°C | +0.5°C |
| Avg Low | 19.4°C | 19.4°C | 19.8°C | 19.7°C | 20.0°C | +0.6°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 28.7°C and nights around 19.6°C (mean 24.2°C, close to Mysuru's yearly average) and higher rainfall. December and January 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 | 29.8°C | 25.1°C | 20.3°C | 31.6°C | 18.9°C | 105 mm | 79% | 2.6 m/s | 4.7 |
| 2024 | 30.3°C | 25.3°C | 20.3°C | 32.0°C | 18.9°C | 41 mm | 78% | 3 m/s | 5 |
| 2023 | 29.8°C | 25.1°C | 20.3°C | 32.7°C | 18.9°C | 132 mm | 79% | 3 m/s | 4.8 |
| 2022 | 27.4°C | 23.4°C | 19.5°C | 29.3°C | 17.8°C | 143 mm | 87% | 2.3 m/s | 4.9 |
| 2021 | 29.2°C | 24.6°C | 20.0°C | 31.6°C | 18.8°C | 122 mm | 80% | 2.8 m/s | 4.9 |
| 2020 | 27.5°C | 23.6°C | 19.7°C | 29.7°C | 17.2°C | 173 mm | 85% | 2.8 m/s | 4.4 |
| 2019 | 28.5°C | 24.3°C | 20.1°C | 32.1°C | 18.4°C | 165 mm | 82% | 2.8 m/s | 4.7 |
| 2018 | 31.4°C | 25.6°C | 19.8°C | 34.3°C | 18.1°C | 131 mm | 73% | 2.2 m/s | 5.8 |
| 2017 🌧️ | 27.7°C | 24.0°C | 20.3°C | 30.0°C | 18.3°C | 270 mm | 85% | 2 m/s | 4.9 |
| 2016 | 31.0°C | 25.2°C | 19.5°C | 33.2°C | 17.6°C | 33 mm | 73% | 3.2 m/s | 4.9 |
| 2015 🔥 | 31.1°C | 25.7°C | 20.3°C | 34.9°C | 19.0°C | 104 mm | 75% | 2.5 m/s | 5.5 |
| 2014 | 28.2°C | 23.9°C | 19.6°C | 30.5°C | 18.5°C | 177 mm | 83% | 2.7 m/s | 5.2 |
| 2013 | 27.7°C | 23.6°C | 19.5°C | 29.5°C | 17.8°C | 183 mm | 85% | 2.6 m/s | 5 |
| 2012 | 29.4°C | 24.5°C | 19.5°C | 32.6°C | 18.2°C | 86 mm | 78% | 3.1 m/s | 5.3 |
| 2011 | 29.2°C | 24.3°C | 19.4°C | 32.3°C | 17.2°C | 93 mm | 80% | 3.2 m/s | 5.2 |
| 2010 | 28.0°C | 23.7°C | 19.4°C | 29.4°C | 17.8°C | 140 mm | 84% | 2.5 m/s | 5 |
| 2009 | 27.9°C | 24.0°C | 20.1°C | 30.6°C | 18.3°C | 193 mm | 85% | 2.7 m/s | 4.9 |
| 2008 | 27.5°C | 23.3°C | 19.2°C | 28.7°C | 17.1°C | 102 mm | 85% | 2.5 m/s | 5.6 |
| 2007 | 27.1°C | 23.4°C | 19.7°C | 28.9°C | 17.3°C | 202 mm | 87% | 2.8 m/s | 4.7 |
| 2006 | 29.2°C | 24.5°C | 19.9°C | 32.3°C | 17.6°C | 110 mm | 80% | 2.9 m/s | 5.2 |
| 2005 | 27.4°C | 23.7°C | 19.9°C | 29.5°C | 18.6°C | 147 mm | 86% | 2.9 m/s | 5 |
| 2004 | 27.2°C | 23.4°C | 19.6°C | 30.2°C | 17.8°C | 170 mm | 85% | 2.1 m/s | 5.3 |
| 2003 | 30.0°C | 24.9°C | 19.8°C | 33.3°C | 18.4°C | 46 mm | 78% | 3 m/s | 5.6 |
| 2002 | 31.4°C | 25.5°C | 19.7°C | 33.5°C | 17.6°C | 64 mm | 73% | 2.7 m/s | 6 |
| 2001 | 28.3°C | 24.2°C | 20.0°C | 31.6°C | 18.3°C | 173 mm | 81% | 2.1 m/s | 5.6 |
| 2000 | 28.2°C | 24.1°C | 19.9°C | 30.0°C | 18.2°C | 154 mm | 83% | 2.1 m/s | 5.3 |
| 1999 | 29.7°C | 24.7°C | 19.7°C | 32.9°C | 18.4°C | 120 mm | 77% | 2.7 m/s | 5.6 |
| 1998 | 26.8°C | 23.3°C | 19.7°C | 28.5°C | 18.1°C | 174 mm | 88% | 2.6 m/s | 4.9 |
| 1997 | 28.0°C | 23.9°C | 19.8°C | 30.4°C | 17.9°C | 136 mm | 83% | 2.2 m/s | 5.3 |
| 1996 | 27.0°C | 23.2°C | 19.3°C | 28.6°C | 18.0°C | 186 mm | 86% | 2.7 m/s | 5.1 |
| 1995 | 27.8°C | 23.7°C | 19.6°C | 29.7°C | 17.8°C | 135 mm | 84% | 2.8 m/s | 5.4 |
| 1994 | 29.4°C | 24.2°C | 19.0°C | 32.4°C | 15.7°C | 63 mm | 77% | 3 m/s | 5.7 |
| 1993 | 28.0°C | 23.5°C | 19.1°C | 29.6°C | 17.5°C | 131 mm | 82% | 2.6 m/s | 5.6 |
| 1992 | 28.0°C | 23.7°C | 19.4°C | 30.3°C | 18.0°C | 119 mm | 81% | 2.5 m/s | 5 |
| 1991 | 28.5°C | 24.0°C | 19.5°C | 31.6°C | 17.9°C | 117 mm | 81% | 2.3 m/s | 5.5 |
| 1990 | 29.8°C | 24.6°C | 19.3°C | 32.5°C | 18.4°C | 64 mm | 77% | 2.8 m/s | 5.3 |
| 1989 | 27.4°C | 23.3°C | 19.2°C | 30.1°C | 17.2°C | 156 mm | 83% | 2.4 m/s | 5.1 |
| 1988 | 27.2°C | 23.4°C | 19.6°C | 29.1°C | 18.1°C | 208 mm | 86% | 2.8 m/s | 5.3 |
| 1987 | 30.0°C | 25.1°C | 20.1°C | 32.6°C | 18.5°C | 64 mm | 77% | 2.4 m/s | 5.6 |
| 1986 | 28.9°C | 24.2°C | 19.5°C | 32.0°C | 17.2°C | 203 mm | 79% | 2.6 m/s | 5.1 |
| 1985 | 29.6°C | 24.4°C | 19.2°C | 31.7°C | 17.6°C | 77 mm | 76% | 2.5 m/s | 5.3 |
| 1984 | 30.1°C | 24.7°C | 19.3°C | 33.2°C | 17.6°C | 83 mm | 75% | 2.4 m/s | 5 |
| 1983 ❄️ | 26.9°C | 23.0°C | 19.0°C | 28.7°C | 17.0°C | 167 mm | 85% | 3.3 m/s | — |
| 1982 | 29.2°C | 24.1°C | 18.9°C | 31.5°C | 17.3°C | 94 mm | 78% | 2.8 m/s | — |
| 1981 | 27.3°C | 23.4°C | 19.6°C | 29.4°C | 18.2°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 28.7°C with lows near 19.6°C (mean 24.2°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 28.6°C to 29.3°C and overnight lows from 19.2°C to 20.1°C over the same span.
September is one of the cooler months of the year in Mysuru and a relatively wet time of year, so plan for around 28.7°C daytime highs and 19.6°C at night.
Not quite — September is the 6th coolest month in Mysuru, averaging 24.2°C.
For September in Mysuru, pack light layers you can adjust through the day, with typical highs of 28.7°C and lows of 19.6°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.
