September is one of the cooler months of the year in Khammam, with average highs near 33.4°C and lows around 22.3°C (mean 27.9°C). It is a relatively wet time of year, averaging 147 mm of rainfall and 82% relative humidity across the period.
September is one of the cooler months of the year in Khammam. Across 45 years of records, the warmest September in Khammam was 2002 — when the month averaged 29.9°C — while the coldest were 1994 and 2008 at 26.3°C. Typical September days reach 33.4°C with nights near 22.3°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 | 28.1°C | 27.7°C | 28.1°C | 27.8°C | 27.5°C | -0.6°C |
| Avg High | 34.0°C | 33.3°C | 33.7°C | 33.5°C | 32.5°C | -1.5°C |
| Avg Low | 22.3°C | 22.2°C | 22.5°C | 22.1°C | 22.5°C | +0.2°C |
| Avg Rain | 127 mm | 142 mm | 151 mm | 134 mm | 196 mm | +69 mm |
September temperatures in Khammam have fallen by about 0.3°C between 1981–1985 and 2021–2025.
September has ranged from a record low of 19°C (1994) to a record high of 37.9°C (2002).
Rainfall in September is a relatively wet time of year, averaging 147 mm, with a wettest year of 283 mm.
Daytime highs and overnight lows have shifted differently — highs fell about 0.2°C per decade while lows rose 0°C per decade, narrowing the gap between day and night.
A good time to visit Khammam
September is a good time to visit Khammam, with days averaging 33.4°C and nights around 22.3°C (mean 27.9°C, close to Khammam's yearly average) and higher rainfall. December and January are marginally more temperate, but September still suits most travellers.
| Year | High | Low | Avg | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|
| 2025 | 32.1°C | 23.0°C | 27.6°C | 225 mm | 87% | 1.9 m/s | 4.1 |
| 2024 | 32.5°C | 22.4°C | 27.5°C | 218 mm | 86% | 2.2 m/s | 4.2 |
| 2023 | 33.4°C | 22.7°C | 28.0°C | 169 mm | 85% | 1.7 m/s | 4.1 |
| 2022 | 32.2°C | 22.2°C | 27.2°C | 116 mm | 85% | 1.8 m/s | 4.4 |
| 2021 | 32.7°C | 22.3°C | 27.5°C | 220 mm | 85% | 1.8 m/s | 4.3 |
| 2020 | 31.9°C | 22.3°C | 27.1°C | 229 mm | 88% | 1.7 m/s | 4.6 |
| 2019 | 34.4°C | 22.8°C | 28.6°C | 185 mm | 84% | 2.1 m/s | 4.1 |
| 2018 | 33.5°C | 21.0°C | 27.2°C | 64 mm | 79% | 1.5 m/s | 5 |
| 2017 | 32.1°C | 22.7°C | 27.4°C | 139 mm | 86% | 1.6 m/s | 4.8 |
| 2016 | 32.4°C | 21.4°C | 26.9°C | 200 mm | 84% | 2.2 m/s | 3.9 |
| 2015 | 35.1°C | 22.0°C | 28.6°C | 111 mm | 77% | 1.6 m/s | 4.7 |
| 2014 | 34.1°C | 22.2°C | 28.2°C | 117 mm | 80% | 2.3 m/s | 4.7 |
| 2013 | 32.1°C | 21.5°C | 26.8°C | 129 mm | 85% | 1.7 m/s | 5 |
| 2012 | 32.8°C | 23.2°C | 28.0°C | 180 mm | 83% | 1.9 m/s | 4.5 |
| 2011 | 36.0°C | 21.8°C | 28.9°C | 24 mm | 78% | 2.1 m/s | 4.9 |
| 2010 | 32.4°C | 22.7°C | 27.5°C | 195 mm | 86% | 1.8 m/s | 4.4 |
| 2009 | 33.7°C | 23.6°C | 28.7°C | 139 mm | 83% | 2 m/s | 5 |
| 2008 | 32.1°C | 20.6°C | 26.3°C | 168 mm | 84% | 1.8 m/s | 4.9 |
| 2007 | 32.1°C | 22.2°C | 27.2°C | 221 mm | 88% | 2.1 m/s | 4.4 |
| 2006 | 32.9°C | 22.5°C | 27.7°C | 199 mm | 84% | 1.9 m/s | 4.7 |
| 2005 🌧️ | 32.3°C | 22.2°C | 27.2°C | 283 mm | 87% | 2.3 m/s | 4.3 |
| 2004 | 35.4°C | 22.7°C | 29.1°C | 128 mm | 81% | 1.6 m/s | 5.2 |
| 2003 | 33.8°C | 23.1°C | 28.5°C | 112 mm | 83% | 2 m/s | 4.9 |
| 2002 🔥 | 37.9°C | 22.0°C | 29.9°C | 31 mm | 72% | 2.1 m/s | 5.7 |
| 2001 | 34.3°C | 23.1°C | 28.7°C | 126 mm | 81% | 1.3 m/s | 4.9 |
| 2000 | 32.1°C | 22.7°C | 27.4°C | 99 mm | 84% | 1.6 m/s | 5.2 |
| 1999 | 35.5°C | 23.4°C | 29.5°C | 98 mm | 77% | 2.4 m/s | 4.5 |
| 1998 | 32.5°C | 23.2°C | 27.8°C | 193 mm | 86% | 1.8 m/s | 4.8 |
| 1997 | 34.1°C | 23.0°C | 28.5°C | 251 mm | 84% | 1.7 m/s | 4.7 |
| 1996 | 32.3°C | 22.0°C | 27.1°C | 126 mm | 85% | 1.6 m/s | 4.8 |
| 1995 | 33.0°C | 22.3°C | 27.7°C | 148 mm | 83% | 2.1 m/s | 4.6 |
| 1994 ❄️ | 33.7°C | 19.0°C | 26.3°C | 57 mm | 78% | 2 m/s | 5 |
| 1993 | 33.1°C | 22.6°C | 27.8°C | 123 mm | 82% | 1.9 m/s | 4.4 |
| 1992 | 32.5°C | 21.5°C | 27.0°C | 128 mm | 82% | 1.9 m/s | 4.9 |
| 1991 | 33.2°C | 22.0°C | 27.6°C | 185 mm | 80% | 1.7 m/s | 4.4 |
| 1990 | 32.7°C | 22.7°C | 27.7°C | 117 mm | 82% | 1.8 m/s | 4.4 |
| 1989 | 31.8°C | 21.9°C | 26.8°C | 122 mm | 86% | 1.9 m/s | 4.5 |
| 1988 | 31.6°C | 23.1°C | 27.4°C | 164 mm | 88% | 1.7 m/s | 4.1 |
| 1987 | 36.0°C | 23.1°C | 29.5°C | 71 mm | 76% | 1.7 m/s | 5.4 |
| 1986 | 37.3°C | 22.3°C | 29.8°C | 51 mm | 73% | 1.6 m/s | 5.2 |
| 1985 | 34.2°C | 21.6°C | 27.9°C | 35 mm | 77% | 1.9 m/s | 4.8 |
| 1984 | 36.8°C | 21.8°C | 29.3°C | 97 mm | 73% | 1.7 m/s | 5.2 |
| 1983 | 31.8°C | 23.1°C | 27.4°C | 230 mm | 87% | 2.1 m/s | — |
| 1982 | 33.9°C | 21.1°C | 27.5°C | 175 mm | 82% | 1.7 m/s | — |
| 1981 | 32.2°C | 22.4°C | 27.3°C | 200 mm | 87% | 1.9 m/s | — |
Actual recorded September data for each year, 1981–2025 — sourced from NASA POWER.
The average high in September is around 33.4°C with lows near 22.3°C (mean 27.9°C), based on 45 years of NASA POWER data.
September averages 147 mm of rainfall in Khammam, a relatively wet time of year. The wettest on record was 283 mm in 2005.
The hottest September reached 37.9°C in 2002. The coldest dipped to 19°C in 1994.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average September temperatures have fallen by about 0.3°C. Daytime highs moved from 33.8°C to 32.6°C and overnight lows from 22°C to 22.5°C over the same span.
September is one of the cooler months of the year in Khammam and a relatively wet time of year, so plan for around 33.4°C daytime highs and 22.3°C at night.
Not quite — September is the 6th coolest month in Khammam, averaging 27.9°C.
For September in Khammam, pack light, breathable clothing and sun protection, with typical highs of 33.4°C and lows of 22.3°C. Bring an umbrella or light rain jacket too.
Relative humidity in September averages 82% — quite humid.
Average wind speed in September is 1.9 m/s. The windiest September on record averaged 2.4 m/s (1999).
The wettest September on record was 2005 with 283 mm. On average, September sees 147 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 Khammam 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.
