September is close to Ballari's year-round average, with average highs near 33.9°C and lows around 20.1°C (mean 27°C). It is a relatively wet time of year, averaging 113 mm of rainfall and 75% relative humidity across the period.
September is close to Ballari's year-round average. Across 45 years of records, the warmest September in Ballari was 2003 — when the month averaged 28.9°C — while the coldest were 2007, 2008 and 2010, among others at 25.4°C. Typical September days reach 33.9°C with nights near 20.1°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 | 26.8°C | 27.1°C | 27.1°C | 27.1°C | 26.7°C | -0.1°C |
| Avg High | 34.2°C | 34.2°C | 33.8°C | 33.9°C | 33.2°C | -1°C |
| Avg Low | 19.4°C | 20.0°C | 20.3°C | 20.3°C | 20.2°C | +0.8°C |
| Avg Rain | 129 mm | 97 mm | 123 mm | 104 mm | 117 mm | -12 mm |
September temperatures in Ballari have stayed relatively stable across the record.
September has ranged from a record low of 18°C (1982) to a record high of 37.3°C (1985).
Rainfall in September is a relatively wet time of year, averaging 113 mm, with a wettest year of 242 mm.
Daytime highs and overnight lows have shifted differently — highs fell about 0.3°C per decade while lows rose 0.2°C per decade, narrowing the gap between day and night.
A quieter season to visit Ballari
If your dates are flexible, the more temperate months of December and November tend to be the most comfortable for visiting Ballari. That said, September — with days averaging 33.9°C and nights around 20.1°C (mean 27°C) and higher rainfall (113 mm) — can still be rewarding for travellers who don't mind the cooler conditions, and often means fewer crowds.
| Year | High | Low | Avg | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|
| 2025 | 32.5°C | 20.3°C | 26.4°C | 106 mm | 82% | 3.3 m/s | 4.3 |
| 2024 | 32.7°C | 21.0°C | 26.8°C | 74 mm | 79% | 3.6 m/s | 4.9 |
| 2023 | 34.8°C | 20.5°C | 27.6°C | 92 mm | 74% | 3.7 m/s | 4.8 |
| 2022 | 31.7°C | 19.4°C | 25.6°C | 146 mm | 82% | 3 m/s | 4.8 |
| 2021 | 35.2°C | 20.3°C | 27.8°C | 43 mm | 75% | 3.8 m/s | 4.6 |
| 2020 🌧️ | 32.4°C | 19.8°C | 26.1°C | 242 mm | 84% | 3.2 m/s | 4.5 |
| 2019 | 33.1°C | 21.0°C | 27.0°C | 182 mm | 79% | 3.6 m/s | 4.4 |
| 2018 | 36.4°C | 20.3°C | 28.4°C | 71 mm | 66% | 2.8 m/s | 5.5 |
| 2017 | 33.7°C | 20.5°C | 27.1°C | 143 mm | 78% | 2.4 m/s | 4.9 |
| 2016 | 34.2°C | 20.3°C | 27.2°C | 82 mm | 74% | 3.8 m/s | 4.2 |
| 2015 | 34.7°C | 20.4°C | 27.6°C | 122 mm | 77% | 2.7 m/s | 5.4 |
| 2014 | 32.8°C | 20.7°C | 26.7°C | 84 mm | 77% | 3.5 m/s | 5.1 |
| 2013 | 32.1°C | 19.3°C | 25.7°C | 169 mm | 80% | 3 m/s | 5 |
| 2012 | 34.8°C | 20.5°C | 27.6°C | 80 mm | 71% | 3.6 m/s | 5.3 |
| 2011 | 36.4°C | 20.1°C | 28.3°C | 18 mm | 68% | 4.1 m/s | 5.3 |
| 2010 | 31.0°C | 19.9°C | 25.4°C | 85 mm | 81% | 3.1 m/s | 5 |
| 2009 | 32.9°C | 20.7°C | 26.8°C | 214 mm | 80% | 2.9 m/s | 4.9 |
| 2008 | 31.4°C | 19.4°C | 25.4°C | 109 mm | 80% | 3 m/s | 5.2 |
| 2007 | 31.2°C | 19.5°C | 25.4°C | 202 mm | 83% | 3.1 m/s | 4.6 |
| 2006 | 35.9°C | 20.4°C | 28.2°C | 116 mm | 74% | 3.1 m/s | 5.4 |
| 2005 | 30.3°C | 20.7°C | 25.5°C | 123 mm | 83% | 3.2 m/s | 4.7 |
| 2004 | 34.7°C | 19.3°C | 27.0°C | 111 mm | 75% | 2.8 m/s | 5.2 |
| 2003 🔥 | 36.2°C | 21.6°C | 28.9°C | 28 mm | 65% | 4 m/s | 5.3 |
| 2002 | 36.9°C | 20.4°C | 28.7°C | 49 mm | 65% | 3.5 m/s | 5.8 |
| 2001 | 33.9°C | 20.6°C | 27.3°C | 174 mm | 75% | 2.4 m/s | 5.5 |
| 2000 | 34.7°C | 20.4°C | 27.5°C | 105 mm | 75% | 2.8 m/s | 5.4 |
| 1999 | 36.2°C | 20.2°C | 28.2°C | 149 mm | 71% | 3.5 m/s | 5.3 |
| 1998 | 31.7°C | 20.3°C | 26.0°C | 140 mm | 82% | 3.2 m/s | 5 |
| 1997 | 34.9°C | 20.3°C | 27.6°C | 82 mm | 73% | 2.9 m/s | 5.3 |
| 1996 | 31.3°C | 19.9°C | 25.6°C | 192 mm | 81% | 2.8 m/s | 5.2 |
| 1995 | 32.1°C | 20.5°C | 26.3°C | 90 mm | 78% | 3.4 m/s | 5.1 |
| 1994 | 35.9°C | 18.2°C | 27.1°C | 48 mm | 67% | 3.8 m/s | 5.6 |
| 1993 | 33.3°C | 19.4°C | 26.3°C | 81 mm | 76% | 3.5 m/s | 5.8 |
| 1992 | 35.1°C | 20.7°C | 27.9°C | 53 mm | 70% | 3.2 m/s | 5.2 |
| 1991 | 35.3°C | 20.6°C | 27.9°C | 82 mm | 69% | 2.7 m/s | 5.1 |
| 1990 | 36.4°C | 20.3°C | 28.3°C | 51 mm | 64% | 3.7 m/s | 5.2 |
| 1989 | 33.9°C | 19.3°C | 26.6°C | 145 mm | 75% | 2.9 m/s | 4.9 |
| 1988 ❄️ | 31.1°C | 19.8°C | 25.4°C | 185 mm | 84% | 3.3 m/s | 4.9 |
| 1987 | 35.1°C | 20.2°C | 27.7°C | 137 mm | 73% | 2.8 m/s | 5.7 |
| 1986 | 35.0°C | 19.5°C | 27.2°C | 122 mm | 71% | 2.8 m/s | 5.6 |
| 1985 | 37.3°C | 19.4°C | 28.3°C | 37 mm | 66% | 3.3 m/s | 5.1 |
| 1984 | 35.1°C | 19.5°C | 27.3°C | 108 mm | 69% | 3.1 m/s | 5.6 |
| 1983 | 32.7°C | 19.4°C | 26.1°C | 93 mm | 76% | 4.1 m/s | — |
| 1982 | 36.4°C | 18.0°C | 27.2°C | 110 mm | 69% | 3.6 m/s | — |
| 1981 | 31.5°C | 19.9°C | 25.7°C | 226 mm | 83% | 3 m/s | — |
Actual recorded September data for each year, 1981–2025 — sourced from NASA POWER.
The average high in September is around 33.9°C with lows near 20.1°C (mean 27°C), based on 45 years of NASA POWER data.
September averages 113 mm of rainfall in Ballari, a relatively wet time of year. The wettest on record was 242 mm in 2020.
The hottest September reached 37.3°C in 1985. The coldest dipped to 18°C in 1982.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average September temperatures have fallen by about 0.1°C. Daytime highs moved from 34.6°C to 33.4°C and overnight lows from 19.2°C to 20.3°C over the same span.
September is close to Ballari's year-round average and a relatively wet time of year, so plan for around 33.9°C daytime highs and 20.1°C at night.
Not quite — September is the 6th coolest month in Ballari, averaging 27°C.
For September in Ballari, pack light, breathable clothing and sun protection, with typical highs of 33.9°C and lows of 20.1°C. Bring an umbrella or light rain jacket too.
Relative humidity in September averages 75% — quite humid.
Average wind speed in September is 3.2 m/s. The windiest September on record averaged 4.1 m/s (1983).
The wettest September on record was 2020 with 242 mm. On average, September sees 113 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 Ballari 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.
