September is one of the warmer months of the year in Annamayya, with average highs near 35.4°C and lows around 21.5°C (mean 28.5°C). It is a relatively wet time of year, averaging 114 mm of rainfall and 74% relative humidity across the period.
September is one of the warmer months of the year in Annamayya. Across 45 years of records, the warmest September in Annamayya was 2018 — when the month averaged 30.3°C — while the coldest was 2017 at 26.1°C. Typical September days reach 35.4°C with nights near 21.5°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 | 28.4°C | 28.5°C | 28.7°C | 28.3°C | 28.2°C | -0.2°C |
| Avg High | 35.6°C | 35.4°C | 35.7°C | 35.1°C | 35.0°C | -0.6°C |
| Avg Low | 21.2°C | 21.6°C | 21.8°C | 21.5°C | 21.4°C | +0.2°C |
| Avg Rain | 116 mm | 99 mm | 117 mm | 111 mm | 132 mm | +16 mm |
September temperatures in Annamayya have risen by about 0.5°C between 1981–1985 and 2021–2025.
September has ranged from a record low of 19.7°C (1994) to a record high of 38.3°C (1982).
Rainfall in September is a relatively wet time of year, averaging 114 mm, with a wettest year of 206 mm.
Daytime highs and overnight lows have shifted differently — highs fell about 0.1°C per decade while lows rose 0.1°C per decade, narrowing the gap between day and night.
A good time to visit Annamayya
September is a good time to visit Annamayya, with days averaging 35.4°C and nights around 21.5°C (mean 28.5°C, close to Annamayya's yearly average) and higher rainfall. January and December are marginally more temperate, but September still suits most travellers.
| Year | High | Low | Avg | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|
| 2025 | 35.8°C | 21.4°C | 28.6°C | 146 mm | 77% | 2.5 m/s | 4.8 |
| 2024 | 36.0°C | 22.4°C | 29.2°C | 105 mm | 73% | 2.9 m/s | 5.1 |
| 2023 | 36.4°C | 22.1°C | 29.3°C | 156 mm | 74% | 2.5 m/s | 5.1 |
| 2022 | 34.6°C | 20.7°C | 27.6°C | 106 mm | 78% | 2.1 m/s | 5 |
| 2021 | 34.6°C | 21.7°C | 28.2°C | 90 mm | 74% | 2.6 m/s | 5 |
| 2020 | 32.5°C | 20.2°C | 26.4°C | 191 mm | 83% | 2.2 m/s | 4.5 |
| 2019 | 35.4°C | 20.9°C | 28.1°C | 176 mm | 79% | 2.3 m/s | 4.9 |
| 2018 🔥 | 38.2°C | 22.5°C | 30.3°C | 86 mm | 66% | 2.2 m/s | 5.4 |
| 2017 ❄️ 🌧️ | 31.7°C | 20.6°C | 26.1°C | 206 mm | 84% | 1.7 m/s | 4.9 |
| 2016 | 36.5°C | 22.2°C | 29.4°C | 42 mm | 67% | 2.9 m/s | 4.8 |
| 2015 | 35.1°C | 21.5°C | 28.3°C | 143 mm | 75% | 1.9 m/s | 5.2 |
| 2014 | 36.2°C | 21.7°C | 29.0°C | 90 mm | 72% | 2.6 m/s | 5.3 |
| 2013 | 32.8°C | 20.7°C | 26.7°C | 167 mm | 80% | 2.1 m/s | 5.2 |
| 2012 | 36.1°C | 21.8°C | 28.9°C | 61 mm | 69% | 2.4 m/s | 5.3 |
| 2011 | 35.9°C | 21.4°C | 28.7°C | 76 mm | 69% | 2.6 m/s | 5.8 |
| 2010 | 33.5°C | 21.3°C | 27.4°C | 62 mm | 79% | 2.3 m/s | 5.1 |
| 2009 | 34.8°C | 21.6°C | 28.2°C | 150 mm | 78% | 2.4 m/s | 5.2 |
| 2008 | 34.6°C | 21.3°C | 27.9°C | 88 mm | 77% | 2 m/s | 5.5 |
| 2007 | 32.6°C | 20.8°C | 26.7°C | 116 mm | 82% | 2.3 m/s | 5.3 |
| 2006 | 37.5°C | 21.4°C | 29.4°C | 118 mm | 72% | 2.3 m/s | 5.2 |
| 2005 | 35.6°C | 22.1°C | 28.9°C | 95 mm | 76% | 2.3 m/s | 5.2 |
| 2004 | 35.5°C | 21.6°C | 28.6°C | 172 mm | 76% | 2 m/s | 4.8 |
| 2003 | 35.7°C | 22.4°C | 29.0°C | 74 mm | 70% | 2.7 m/s | 5.6 |
| 2002 | 37.6°C | 22.4°C | 30.0°C | 79 mm | 65% | 2.5 m/s | 5.8 |
| 2001 | 37.4°C | 22.0°C | 29.7°C | 169 mm | 74% | 2 m/s | 5.1 |
| 2000 | 35.8°C | 22.1°C | 28.9°C | 108 mm | 76% | 2 m/s | 5.5 |
| 1999 | 36.5°C | 22.5°C | 29.5°C | 100 mm | 68% | 2.7 m/s | 5.4 |
| 1998 | 33.4°C | 21.7°C | 27.6°C | 148 mm | 81% | 2.4 m/s | 5 |
| 1997 | 37.4°C | 21.7°C | 29.6°C | 161 mm | 75% | 2.2 m/s | 5 |
| 1996 | 32.9°C | 21.7°C | 27.3°C | 142 mm | 80% | 2.1 m/s | 5 |
| 1995 | 33.6°C | 21.6°C | 27.6°C | 111 mm | 78% | 2.6 m/s | 5.1 |
| 1994 | 36.9°C | 19.7°C | 28.3°C | 27 mm | 63% | 2.7 m/s | 5.5 |
| 1993 | 34.4°C | 21.2°C | 27.8°C | 75 mm | 75% | 2.4 m/s | 5 |
| 1992 | 35.8°C | 22.4°C | 29.1°C | 47 mm | 69% | 2.4 m/s | 4.9 |
| 1991 | 35.8°C | 21.8°C | 28.8°C | 106 mm | 71% | 2 m/s | 5.2 |
| 1990 | 37.4°C | 21.7°C | 29.5°C | 75 mm | 68% | 2.4 m/s | 4.9 |
| 1989 | 35.2°C | 21.8°C | 28.5°C | 131 mm | 73% | 2.3 m/s | 4.9 |
| 1988 | 33.1°C | 20.9°C | 27.0°C | 135 mm | 83% | 2.2 m/s | 4.9 |
| 1987 | 37.5°C | 21.8°C | 29.6°C | 51 mm | 68% | 2.3 m/s | 5.2 |
| 1986 | 37.8°C | 21.9°C | 29.8°C | 100 mm | 65% | 2.2 m/s | 5.2 |
| 1985 | 36.4°C | 21.4°C | 28.9°C | 57 mm | 71% | 2.5 m/s | 5.5 |
| 1984 | 37.3°C | 20.9°C | 29.1°C | 113 mm | 64% | 2.4 m/s | 5.2 |
| 1983 | 32.6°C | 20.5°C | 26.5°C | 174 mm | 81% | 2.4 m/s | — |
| 1982 | 38.3°C | 20.1°C | 29.2°C | 87 mm | 65% | 2.7 m/s | — |
| 1981 | 32.1°C | 21.2°C | 26.7°C | 200 mm | 83% | 1.9 m/s | — |
Actual recorded September data for each year, 1981–2025 — sourced from NASA POWER.
The average high in September is around 35.4°C with lows near 21.5°C (mean 28.5°C), based on 45 years of NASA POWER data.
September averages 114 mm of rainfall in Annamayya, a relatively wet time of year. The wettest on record was 206 mm in 2017.
The hottest September reached 38.3°C in 1982. The coldest dipped to 19.7°C in 1994.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average September temperatures have risen by about 0.5°C. Daytime highs moved from 35.3°C to 35.5°C and overnight lows from 20.8°C to 21.7°C over the same span.
September is one of the warmer months of the year in Annamayya and a relatively wet time of year, so plan for around 35.4°C daytime highs and 21.5°C at night.
Not quite — September is the 6th coolest month in Annamayya, averaging 28.5°C.
For September in Annamayya, pack light, breathable clothing and sun protection, with typical highs of 35.4°C and lows of 21.5°C. Bring an umbrella or light rain jacket too.
Relative humidity in September averages 74% — moderately humid.
Average wind speed in September is 2.3 m/s. The windiest September on record averaged 2.9 m/s (2016).
The wettest September on record was 2017 with 206 mm. On average, September sees 114 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 Annamayya 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.
