September is close to Dewas's year-round average, with average highs near 29.6°C and lows around 21.5°C (mean 25.6°C). It is a relatively wet time of year, averaging 161 mm of rainfall and 83% relative humidity across the period.
September is close to Dewas's year-round average. Across 45 years of records, the warmest September in Dewas was 2001 — when the month averaged 28.2°C — while the coldest was 1994 at 24°C. Typical September days reach 29.6°C with nights near 21.5°C. The long-term September temperature trend is broadly flat.
September is a relatively wet time of year in Dewas, averaging 161 mm of rainfall. The wettest September on record was 2019 with 483 mm, while the driest was 2001 at 11 mm.
Relative humidity in Dewas during September averages 83%. The most humid September was 2019 at 93%, and the least humid was 2001 at 64%.
September receives about 4.8 kWh/m²/day of solar energy in Dewas. The sunniest Septembers were 1991, 2001 and 2009, among others at 5.6 kWh/m²/day, and the cloudiest was 2019 at 3.2.
Average wind speed in Dewas during September is 2.1 m/s. The windiest Septembers were 1990 and 2023 at 2.6 m/s, while the calmest were 2004, 2007 and 2020 at 1.6 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 25.6°C | 25.2°C | 26.0°C | 25.3°C | 25.8°C | +0.2°C |
| Avg High | 30.0°C | 29.3°C | 30.4°C | 29.2°C | 29.1°C | -0.9°C |
| Avg Low | 21.2°C | 21.1°C | 21.6°C | 21.5°C | 22.5°C | +1.3°C |
| Avg Rain | 113 mm | 174 mm | 134 mm | 168 mm | 244 mm | +131 mm |
September temperatures in Dewas have risen by about 0.4°C between 1981–1985 and 2021–2025.
September has ranged from a record low of 15.1°C (1994) to a record high of 37.7°C (2001).
Rainfall in September is a relatively wet time of year, averaging 161 mm, with a wettest year of 483 mm.
Daytime highs and overnight lows have shifted differently — highs fell about 0.2°C per decade while lows rose 0.3°C per decade, narrowing the gap between day and night.
A good time to visit Dewas
September is a good time to visit Dewas, with days averaging 29.6°C and nights around 21.5°C (mean 25.6°C, close to Dewas's yearly average) and higher rainfall. February and November 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 | 29.1°C | 25.6°C | 22.1°C | 30.6°C | 20.0°C | 238 mm | 88% | 2.1 m/s | 3.9 |
| 2024 | 28.7°C | 25.7°C | 22.7°C | 30.7°C | 19.8°C | 212 mm | 90% | 2.4 m/s | 4 |
| 2023 | 29.4°C | 25.9°C | 22.4°C | 32.3°C | 20.3°C | 383 mm | 86% | 2.6 m/s | 3.9 |
| 2022 | 29.0°C | 25.7°C | 22.4°C | 31.0°C | 20.0°C | 205 mm | 87% | 2.2 m/s | 4.3 |
| 2021 | 28.8°C | 25.9°C | 23.0°C | 30.5°C | 21.6°C | 253 mm | 89% | 2.3 m/s | 4 |
| 2020 | 29.8°C | 26.1°C | 22.4°C | 31.4°C | 18.7°C | 173 mm | 85% | 1.6 m/s | 4.7 |
| 2019 🌧️ | 27.6°C | 25.2°C | 22.8°C | 29.7°C | 20.6°C | 483 mm | 93% | 2.3 m/s | 3.2 |
| 2018 | 29.0°C | 24.6°C | 20.3°C | 31.6°C | 18.0°C | 78 mm | 82% | 2.4 m/s | 4.7 |
| 2017 | 30.0°C | 25.7°C | 21.5°C | 31.7°C | 19.3°C | 197 mm | 82% | 1.7 m/s | 4.6 |
| 2016 | 29.0°C | 25.2°C | 21.4°C | 30.6°C | 19.6°C | 112 mm | 86% | 2.2 m/s | 4.8 |
| 2015 | 30.1°C | 25.3°C | 20.5°C | 31.9°C | 16.9°C | 39 mm | 80% | 2.1 m/s | 5.3 |
| 2014 | 29.2°C | 25.3°C | 21.4°C | 30.8°C | 18.8°C | 172 mm | 85% | 2.3 m/s | 4.7 |
| 2013 | 29.6°C | 25.7°C | 21.8°C | 31.6°C | 19.7°C | 101 mm | 84% | 1.9 m/s | 5 |
| 2012 | 28.9°C | 25.3°C | 21.7°C | 30.9°C | 18.9°C | 218 mm | 86% | 1.8 m/s | 4.6 |
| 2011 | 28.6°C | 25.1°C | 21.7°C | 30.1°C | 18.7°C | 128 mm | 88% | 2.1 m/s | 4.6 |
| 2010 | 29.5°C | 25.5°C | 21.5°C | 30.7°C | 18.7°C | 156 mm | 82% | 2.2 m/s | 4.9 |
| 2009 | 31.4°C | 26.4°C | 21.4°C | 33.7°C | 18.7°C | 101 mm | 79% | 2.2 m/s | 5.6 |
| 2008 | 29.9°C | 25.7°C | 21.6°C | 31.8°C | 18.6°C | 118 mm | 82% | 1.7 m/s | 5 |
| 2007 | 29.6°C | 25.7°C | 21.8°C | 31.0°C | 18.3°C | 154 mm | 84% | 1.6 m/s | 5 |
| 2006 | 29.1°C | 25.5°C | 21.9°C | 31.1°C | 19.2°C | 216 mm | 86% | 1.8 m/s | 5 |
| 2005 | 30.0°C | 26.1°C | 22.2°C | 33.6°C | 18.7°C | 212 mm | 84% | 2.3 m/s | 4.6 |
| 2004 | 30.1°C | 26.0°C | 21.9°C | 32.1°C | 20.8°C | 103 mm | 82% | 1.6 m/s | 5.5 |
| 2003 | 28.1°C | 25.0°C | 22.0°C | 30.1°C | 20.2°C | 309 mm | 89% | 2.5 m/s | 3.5 |
| 2002 | 30.0°C | 25.2°C | 20.3°C | 32.3°C | 18.3°C | 88 mm | 79% | 2.4 m/s | 5.2 |
| 2001 🔥 | 34.6°C | 28.2°C | 21.9°C | 37.7°C | 19.2°C | 11 mm | 64% | 1.7 m/s | 5.6 |
| 2000 | 31.4°C | 26.2°C | 20.9°C | 35.9°C | 18.7°C | 25 mm | 74% | 2.1 m/s | 5.1 |
| 1999 | 30.2°C | 26.0°C | 21.8°C | 32.7°C | 19.9°C | 257 mm | 81% | 2.5 m/s | 3.8 |
| 1998 | 29.7°C | 26.1°C | 22.6°C | 31.6°C | 21.1°C | 240 mm | 85% | 2.1 m/s | 4.4 |
| 1997 | 29.5°C | 25.5°C | 21.5°C | 31.9°C | 17.8°C | 69 mm | 83% | 2 m/s | 5.4 |
| 1996 | 29.3°C | 25.1°C | 21.0°C | 32.0°C | 18.2°C | 176 mm | 84% | 1.7 m/s | 5.2 |
| 1995 | 30.0°C | 25.5°C | 21.0°C | 31.5°C | 18.7°C | 167 mm | 80% | 2.2 m/s | 5.2 |
| 1994 ❄️ | 28.1°C | 24.0°C | 19.9°C | 29.7°C | 15.1°C | 194 mm | 84% | 2.4 m/s | 5 |
| 1993 | 28.9°C | 25.1°C | 21.3°C | 30.9°C | 19.7°C | 204 mm | 85% | 2.5 m/s | 4.3 |
| 1992 | 29.0°C | 24.4°C | 19.8°C | 30.8°C | 17.2°C | 108 mm | 81% | 2.3 m/s | 5.2 |
| 1991 | 30.0°C | 25.0°C | 20.0°C | 31.8°C | 18.0°C | 14 mm | 78% | 2.1 m/s | 5.6 |
| 1990 | 28.3°C | 25.1°C | 21.9°C | 30.1°C | 19.8°C | 313 mm | 89% | 2.6 m/s | 4 |
| 1989 | 30.5°C | 25.8°C | 21.1°C | 32.3°C | 17.9°C | 170 mm | 78% | 2.2 m/s | 5.5 |
| 1988 | 30.0°C | 26.3°C | 22.6°C | 32.3°C | 20.8°C | 150 mm | 85% | 1.9 m/s | 5.3 |
| 1987 | 31.3°C | 26.1°C | 21.0°C | 33.6°C | 19.3°C | 32 mm | 76% | 2.5 m/s | 5.6 |
| 1986 | 30.5°C | 25.3°C | 20.2°C | 32.6°C | 18.3°C | 100 mm | 77% | 1.9 m/s | 5.5 |
| 1985 | 30.1°C | 25.4°C | 20.7°C | 32.3°C | 19.8°C | 124 mm | 77% | 2.4 m/s | 5.2 |
| 1984 | 28.7°C | 24.6°C | 20.5°C | 30.5°C | 17.8°C | 29 mm | 81% | 2.3 m/s | 5.2 |
| 1983 | 29.4°C | 25.8°C | 22.2°C | 31.3°C | 19.9°C | 148 mm | 85% | 2 m/s | — |
| 1982 | 29.9°C | 25.3°C | 20.8°C | 31.7°C | 17.3°C | 110 mm | 80% | 2.3 m/s | — |
| 1981 | 29.6°C | 25.8°C | 22.0°C | 31.7°C | 20.9°C | 158 mm | 84% | 2.1 m/s | — |
Actual recorded September data for each year, 1981–2025 — sourced from NASA POWER.
The average high in September is around 29.6°C with lows near 21.5°C (mean 25.6°C), based on 45 years of NASA POWER data.
September averages 161 mm of rainfall in Dewas, a relatively wet time of year. The wettest on record was 483 mm in 2019.
The hottest September reached 37.7°C in 2001. The coldest dipped to 15.1°C in 1994.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average September temperatures have risen by about 0.4°C — but days and nights have moved in opposite directions. Overnight lows rose from 21.2°C to 22.5°C while daytime highs eased from 29.5°C to 29°C, narrowing the gap between day and night.
September is close to Dewas's year-round average and a relatively wet time of year, so plan for around 29.6°C daytime highs and 21.5°C at night.
Not quite — September is the 6th coolest month in Dewas, averaging 25.6°C.
For September in Dewas, pack light layers you can adjust through the day, with typical highs of 29.6°C and lows of 21.5°C. Bring an umbrella or light rain jacket too.
Relative humidity in September averages 83% — quite humid.
Average wind speed in September is 2.1 m/s. The windiest September on record averaged 2.6 m/s (1990).
The wettest September on record was 2019 with 483 mm. On average, September sees 161 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 Dewas 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.
