September is one of the cooler months of the year in Rajanna Sircilla, with average highs near 29.4°C and lows around 22.3°C (mean 25.9°C). It is a relatively wet time of year, averaging 151 mm of rainfall and 85% relative humidity across the period.
September is one of the cooler months of the year in Rajanna Sircilla. Across 45 years of records, the warmest September in Rajanna Sircilla was 2015 — when the month averaged 27.4°C — while the coldest was 1994 at 24.8°C. Typical September days reach 29.4°C with nights near 22.3°C. The long-term September temperature trend is broadly flat.
September is a relatively wet time of year in Rajanna Sircilla, averaging 151 mm of rainfall. The wettest September on record was 2021 with 300 mm, while the driest was 1985 at 26 mm.
Relative humidity in Rajanna Sircilla during September averages 85%. The most humid September was 2025 at 90%, and the least humid was 2015 at 76%.
September receives about 4.8 kWh/m²/day of solar energy in Rajanna Sircilla. The sunniest Septembers were 1986 and 2002 at 5.6 kWh/m²/day, and the cloudiest was 2023 at 3.9.
Average wind speed in Rajanna Sircilla during September is 2.1 m/s. The windiest Septembers were 1999, 2016 and 2024 at 2.6 m/s, while the calmest were 1986, 2001 and 2020 at 1.5 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 25.9°C | 25.5°C | 25.9°C | 26.0°C | 25.9°C | 0°C |
| Avg High | 29.5°C | 29.1°C | 29.5°C | 29.6°C | 29.0°C | -0.5°C |
| Avg Low | 22.2°C | 22.0°C | 22.3°C | 22.4°C | 22.8°C | +0.6°C |
| Avg Rain | 138 mm | 125 mm | 149 mm | 140 mm | 240 mm | +102 mm |
September temperatures in Rajanna Sircilla have stayed relatively stable across the record.
September has ranged from a record low of 16.7°C (1994) to a record high of 35°C (1987).
Rainfall in September is a relatively wet time of year, averaging 151 mm, with a wettest year of 300 mm.
Daytime highs and overnight lows have shifted differently — highs rose about 0°C per decade while lows rose 0.2°C per decade, narrowing the gap between day and night.
A good time to visit Rajanna Sircilla
September is a good time to visit Rajanna Sircilla, with days averaging 29.4°C and nights around 22.3°C (mean 25.9°C, cooler than Rajanna Sircilla'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 | 28.5°C | 25.7°C | 22.9°C | 30.6°C | 20.9°C | 293 mm | 90% | 2.1 m/s | 4.1 |
| 2024 | 29.0°C | 25.8°C | 22.7°C | 30.8°C | 20.8°C | 200 mm | 88% | 2.6 m/s | 4.6 |
| 2023 | 29.2°C | 26.1°C | 23.0°C | 30.9°C | 21.5°C | 230 mm | 87% | 2.2 m/s | 3.9 |
| 2022 | 29.1°C | 25.8°C | 22.5°C | 31.7°C | 20.5°C | 205 mm | 87% | 2.1 m/s | 4.6 |
| 2021 🌧️ | 28.7°C | 25.7°C | 22.8°C | 30.3°C | 20.0°C | 300 mm | 89% | 2.2 m/s | 4.4 |
| 2020 | 29.2°C | 26.2°C | 23.1°C | 30.7°C | 22.0°C | 210 mm | 88% | 1.5 m/s | 4.5 |
| 2019 | 29.2°C | 26.1°C | 23.0°C | 30.6°C | 21.9°C | 205 mm | 88% | 2.4 m/s | 4.3 |
| 2018 | 29.9°C | 25.8°C | 21.7°C | 31.8°C | 19.1°C | 63 mm | 81% | 1.9 m/s | 5.2 |
| 2017 | 30.8°C | 26.8°C | 22.8°C | 32.4°C | 21.3°C | 90 mm | 82% | 1.7 m/s | 5 |
| 2016 | 29.0°C | 25.7°C | 22.4°C | 31.2°C | 20.0°C | 263 mm | 86% | 2.6 m/s | 4 |
| 2015 🔥 | 31.9°C | 27.4°C | 22.8°C | 34.7°C | 19.1°C | 88 mm | 76% | 1.8 m/s | 5 |
| 2014 | 29.5°C | 25.6°C | 21.7°C | 31.7°C | 19.8°C | 107 mm | 82% | 2.5 m/s | 4.9 |
| 2013 | 29.1°C | 25.7°C | 22.3°C | 30.2°C | 20.2°C | 125 mm | 86% | 1.8 m/s | 5 |
| 2012 | 29.1°C | 25.7°C | 22.3°C | 30.9°C | 20.7°C | 156 mm | 86% | 2.2 m/s | 4.8 |
| 2011 | 29.3°C | 25.8°C | 22.3°C | 30.9°C | 21.0°C | 85 mm | 85% | 2.4 m/s | 5.1 |
| 2010 | 28.2°C | 25.3°C | 22.4°C | 30.0°C | 19.9°C | 214 mm | 89% | 2.1 m/s | 4.6 |
| 2009 | 30.1°C | 26.5°C | 22.8°C | 32.1°C | 21.2°C | 106 mm | 84% | 2 m/s | 5.2 |
| 2008 | 28.8°C | 25.3°C | 21.8°C | 31.1°C | 18.7°C | 215 mm | 87% | 2 m/s | 5.1 |
| 2007 | 28.7°C | 25.6°C | 22.6°C | 30.8°C | 20.1°C | 272 mm | 89% | 2.2 m/s | 4.6 |
| 2006 | 28.9°C | 25.6°C | 22.2°C | 31.6°C | 20.1°C | 277 mm | 87% | 1.9 m/s | 4.9 |
| 2005 | 28.7°C | 25.6°C | 22.5°C | 30.6°C | 20.5°C | 245 mm | 88% | 2.4 m/s | 4.8 |
| 2004 | 30.4°C | 26.5°C | 22.5°C | 33.0°C | 21.3°C | 98 mm | 81% | 1.8 m/s | 5.3 |
| 2003 | 29.0°C | 25.8°C | 22.5°C | 30.5°C | 21.4°C | 79 mm | 87% | 2.5 m/s | 4.9 |
| 2002 | 30.6°C | 26.1°C | 21.6°C | 33.6°C | 20.3°C | 43 mm | 80% | 2.3 m/s | 5.6 |
| 2001 | 30.5°C | 26.4°C | 22.4°C | 33.7°C | 21.4°C | 94 mm | 81% | 1.5 m/s | 5.1 |
| 2000 | 29.7°C | 25.8°C | 22.0°C | 31.5°C | 20.3°C | 60 mm | 83% | 2 m/s | 5.3 |
| 1999 | 29.0°C | 25.6°C | 22.3°C | 31.7°C | 21.5°C | 126 mm | 85% | 2.6 m/s | 4.1 |
| 1998 | 28.9°C | 25.8°C | 22.8°C | 30.4°C | 21.7°C | 172 mm | 88% | 2.2 m/s | 4.6 |
| 1997 | 29.2°C | 25.7°C | 22.3°C | 31.4°C | 19.7°C | 91 mm | 85% | 1.7 m/s | 4.8 |
| 1996 | 29.0°C | 25.6°C | 22.1°C | 31.2°C | 20.1°C | 213 mm | 86% | 1.7 m/s | 4.8 |
| 1995 | 29.4°C | 25.7°C | 22.0°C | 30.9°C | 20.6°C | 140 mm | 85% | 2.2 m/s | 4.8 |
| 1994 ❄️ | 28.8°C | 24.8°C | 20.8°C | 30.2°C | 16.7°C | 65 mm | 83% | 2.3 m/s | 5.1 |
| 1993 | 29.1°C | 25.6°C | 22.1°C | 30.6°C | 20.6°C | 162 mm | 85% | 2.2 m/s | 4.6 |
| 1992 | 29.0°C | 24.9°C | 20.8°C | 30.4°C | 18.4°C | 83 mm | 83% | 2.2 m/s | 5.1 |
| 1991 | 29.7°C | 25.9°C | 22.2°C | 31.4°C | 20.9°C | 104 mm | 81% | 1.8 m/s | 5.1 |
| 1990 | 28.8°C | 25.5°C | 22.1°C | 30.1°C | 19.5°C | 93 mm | 86% | 2.4 m/s | 4.8 |
| 1989 | 28.7°C | 25.4°C | 22.0°C | 31.1°C | 20.9°C | 86 mm | 86% | 2.1 m/s | 4.9 |
| 1988 | 28.7°C | 25.8°C | 22.8°C | 30.4°C | 21.6°C | 159 mm | 89% | 1.8 m/s | 4.3 |
| 1987 | 31.8°C | 27.3°C | 22.7°C | 35.0°C | 21.6°C | 65 mm | 76% | 2.1 m/s | 5.5 |
| 1986 | 29.9°C | 26.0°C | 22.2°C | 32.9°C | 20.7°C | 77 mm | 80% | 1.5 m/s | 5.6 |
| 1985 | 30.4°C | 26.2°C | 21.9°C | 33.2°C | 20.2°C | 26 mm | 77% | 2.1 m/s | 5.2 |
| 1984 | 29.8°C | 25.8°C | 21.8°C | 33.0°C | 19.9°C | 133 mm | 79% | 2.1 m/s | 5.5 |
| 1983 | 28.6°C | 25.6°C | 22.6°C | 30.1°C | 21.7°C | 184 mm | 88% | 2.4 m/s | — |
| 1982 | 29.0°C | 25.4°C | 21.7°C | 31.3°C | 19.1°C | 233 mm | 85% | 2 m/s | — |
| 1981 | 28.2°C | 25.3°C | 22.3°C | 30.5°C | 21.1°C | 281 mm | 89% | 2 m/s | — |
Actual recorded September data for each year, 1981–2025 — sourced from NASA POWER.
The average high in September is around 29.4°C with lows near 22.3°C (mean 25.9°C), based on 45 years of NASA POWER data.
September averages 151 mm of rainfall in Rajanna Sircilla, a relatively wet time of year. The wettest on record was 300 mm in 2021.
The hottest September reached 35°C in 1987. The coldest dipped to 16.7°C in 1994.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average September temperatures have risen by about 0.1°C — but days and nights have moved in opposite directions. Overnight lows rose from 22.1°C to 22.8°C while daytime highs eased from 29.2°C to 28.9°C, narrowing the gap between day and night.
September is one of the cooler months of the year in Rajanna Sircilla and a relatively wet time of year, so plan for around 29.4°C daytime highs and 22.3°C at night.
Not quite — September is the 5th coolest month in Rajanna Sircilla, averaging 25.9°C.
For September in Rajanna Sircilla, pack light layers you can adjust through the day, with typical highs of 29.4°C and lows of 22.3°C. Bring an umbrella or light rain jacket too.
Relative humidity in September averages 85% — quite humid.
Average wind speed in September is 2.1 m/s. The windiest September on record averaged 2.6 m/s (1999).
The wettest September on record was 2021 with 300 mm. On average, September sees 151 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 Rajanna Sircilla 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.
