September is close to Annamayya's year-round average, with average highs near 32.1°C and lows around 23.1°C (mean 27.6°C). It is a relatively wet time of year, averaging 114 mm of rainfall and 74% relative humidity across the period.
September is close to Annamayya's year-round average. Across 45 years of records, the warmest September in Annamayya was 2002 — when the month averaged 29.2°C — while the coldest were 1981 and 1988 at 26.1°C. Typical September days reach 32.1°C with nights near 23.1°C. The long-term September temperature trend is broadly flat.
September is a relatively wet time of year in Annamayya, averaging 114 mm of rainfall. The wettest September on record was 2017 with 206 mm, while the driest was 1994 at 27 mm.
Relative humidity in Annamayya during September averages 74%. The most humid September was 2017 at 84%, and the least humid was 1994 at 63%.
September receives about 5.2 kWh/m²/day of solar energy in Annamayya. The sunniest Septembers were 2002 and 2011 at 5.8 kWh/m²/day, and the cloudiest was 2020 at 4.5.
Average wind speed in Annamayya during September is 2.3 m/s. The windiest Septembers were 2016 and 2024 at 2.9 m/s, while the calmest was 2017 at 1.7 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 27.5°C | 27.6°C | 27.7°C | 27.7°C | 27.6°C | +0.1°C |
| Avg High | 32.1°C | 32.2°C | 32.0°C | 32.2°C | 31.9°C | -0.2°C |
| Avg Low | 23.0°C | 23.1°C | 23.3°C | 23.1°C | 23.2°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.
A good time to visit Annamayya
September is a good time to visit Annamayya, with days averaging 32.1°C and nights around 23.1°C (mean 27.6°C, close to Annamayya's yearly average) and higher rainfall. January and December 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 | 31.7°C | 27.5°C | 23.2°C | 35.8°C | 21.4°C | 146 mm | 77% | 2.5 m/s | 4.8 |
| 2024 | 33.0°C | 28.3°C | 23.5°C | 36.0°C | 22.4°C | 105 mm | 73% | 2.9 m/s | 5.1 |
| 2023 | 32.7°C | 28.2°C | 23.8°C | 36.4°C | 22.1°C | 156 mm | 74% | 2.5 m/s | 5.1 |
| 2022 | 31.6°C | 27.3°C | 23.0°C | 34.6°C | 20.7°C | 106 mm | 78% | 2.1 m/s | 5 |
| 2021 | 32.3°C | 27.7°C | 23.1°C | 34.6°C | 21.7°C | 90 mm | 74% | 2.6 m/s | 5 |
| 2020 | 30.1°C | 26.5°C | 22.8°C | 32.5°C | 20.2°C | 191 mm | 83% | 2.2 m/s | 4.5 |
| 2019 | 31.4°C | 27.3°C | 23.2°C | 35.4°C | 20.9°C | 176 mm | 79% | 2.3 m/s | 4.9 |
| 2018 | 34.2°C | 29.0°C | 23.8°C | 38.2°C | 22.5°C | 86 mm | 66% | 2.2 m/s | 5.4 |
| 2017 🌧️ | 29.8°C | 26.3°C | 22.8°C | 31.7°C | 20.6°C | 206 mm | 84% | 1.7 m/s | 4.9 |
| 2016 | 33.5°C | 28.3°C | 23.1°C | 36.5°C | 22.2°C | 42 mm | 67% | 2.9 m/s | 4.8 |
| 2015 | 32.2°C | 27.7°C | 23.2°C | 35.1°C | 21.5°C | 143 mm | 75% | 1.9 m/s | 5.2 |
| 2014 | 32.7°C | 28.0°C | 23.2°C | 36.2°C | 21.7°C | 90 mm | 72% | 2.6 m/s | 5.3 |
| 2013 | 30.6°C | 26.7°C | 22.7°C | 32.8°C | 20.7°C | 167 mm | 80% | 2.1 m/s | 5.2 |
| 2012 | 33.6°C | 28.4°C | 23.2°C | 36.1°C | 21.8°C | 61 mm | 69% | 2.4 m/s | 5.3 |
| 2011 | 33.2°C | 28.2°C | 23.2°C | 35.9°C | 21.4°C | 76 mm | 69% | 2.6 m/s | 5.8 |
| 2010 | 31.0°C | 26.9°C | 22.8°C | 33.5°C | 21.3°C | 62 mm | 79% | 2.3 m/s | 5.1 |
| 2009 | 31.6°C | 27.4°C | 23.3°C | 34.8°C | 21.6°C | 150 mm | 78% | 2.4 m/s | 5.2 |
| 2008 | 31.4°C | 27.0°C | 22.7°C | 34.6°C | 21.3°C | 88 mm | 77% | 2 m/s | 5.5 |
| 2007 | 30.2°C | 26.5°C | 22.7°C | 32.6°C | 20.8°C | 116 mm | 82% | 2.3 m/s | 5.3 |
| 2006 | 32.7°C | 28.0°C | 23.4°C | 37.5°C | 21.4°C | 118 mm | 72% | 2.3 m/s | 5.2 |
| 2005 | 31.8°C | 27.6°C | 23.4°C | 35.6°C | 22.1°C | 95 mm | 76% | 2.3 m/s | 5.2 |
| 2004 | 31.5°C | 27.4°C | 23.3°C | 35.5°C | 21.6°C | 172 mm | 76% | 2 m/s | 4.8 |
| 2003 | 33.0°C | 28.3°C | 23.6°C | 35.7°C | 22.4°C | 74 mm | 70% | 2.7 m/s | 5.6 |
| 2002 🔥 | 34.6°C | 29.2°C | 23.8°C | 37.6°C | 22.4°C | 79 mm | 65% | 2.5 m/s | 5.8 |
| 2001 | 31.7°C | 27.6°C | 23.5°C | 37.4°C | 22.0°C | 169 mm | 74% | 2 m/s | 5.1 |
| 2000 | 31.7°C | 27.5°C | 23.2°C | 35.8°C | 22.1°C | 108 mm | 76% | 2 m/s | 5.5 |
| 1999 | 33.9°C | 28.5°C | 23.2°C | 36.5°C | 22.5°C | 100 mm | 68% | 2.7 m/s | 5.4 |
| 1998 | 30.5°C | 26.8°C | 23.1°C | 33.4°C | 21.7°C | 148 mm | 81% | 2.4 m/s | 5 |
| 1997 | 31.8°C | 27.6°C | 23.3°C | 37.4°C | 21.7°C | 161 mm | 75% | 2.2 m/s | 5 |
| 1996 | 30.1°C | 26.4°C | 22.8°C | 32.9°C | 21.7°C | 142 mm | 80% | 2.1 m/s | 5 |
| 1995 | 30.9°C | 26.9°C | 22.8°C | 33.6°C | 21.6°C | 111 mm | 78% | 2.6 m/s | 5.1 |
| 1994 | 34.6°C | 28.8°C | 23.1°C | 36.9°C | 19.7°C | 27 mm | 63% | 2.7 m/s | 5.5 |
| 1993 | 31.2°C | 26.9°C | 22.6°C | 34.4°C | 21.2°C | 75 mm | 75% | 2.4 m/s | 5 |
| 1992 | 32.9°C | 28.0°C | 23.0°C | 35.8°C | 22.4°C | 47 mm | 69% | 2.4 m/s | 4.9 |
| 1991 | 32.4°C | 27.9°C | 23.4°C | 35.8°C | 21.8°C | 106 mm | 71% | 2 m/s | 5.2 |
| 1990 | 33.3°C | 28.3°C | 23.4°C | 37.4°C | 21.7°C | 75 mm | 68% | 2.4 m/s | 4.9 |
| 1989 | 32.0°C | 27.5°C | 23.0°C | 35.2°C | 21.8°C | 131 mm | 73% | 2.3 m/s | 4.9 |
| 1988 | 29.8°C | 26.1°C | 22.4°C | 33.1°C | 20.9°C | 135 mm | 83% | 2.2 m/s | 4.9 |
| 1987 | 33.8°C | 28.8°C | 23.9°C | 37.5°C | 21.8°C | 51 mm | 68% | 2.3 m/s | 5.2 |
| 1986 | 33.9°C | 28.7°C | 23.5°C | 37.8°C | 21.9°C | 100 mm | 65% | 2.2 m/s | 5.2 |
| 1985 | 32.1°C | 27.3°C | 22.6°C | 36.4°C | 21.4°C | 57 mm | 71% | 2.5 m/s | 5.5 |
| 1984 | 33.8°C | 28.6°C | 23.4°C | 37.3°C | 20.9°C | 113 mm | 64% | 2.4 m/s | 5.2 |
| 1983 | 30.1°C | 26.3°C | 22.4°C | 32.6°C | 20.5°C | 174 mm | 81% | 2.4 m/s | — |
| 1982 | 33.6°C | 28.4°C | 23.2°C | 38.3°C | 20.1°C | 87 mm | 65% | 2.7 m/s | — |
| 1981 ❄️ | 29.6°C | 26.1°C | 22.6°C | 32.1°C | 21.2°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 32.1°C with lows near 23.1°C (mean 27.6°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 31.8°C to 32.3°C and overnight lows from 22.8°C to 23.3°C over the same span.
September is close to Annamayya's year-round average and a relatively wet time of year, so plan for around 32.1°C daytime highs and 23.1°C at night.
Not quite — September is the 6th coolest month in Annamayya, averaging 27.6°C.
For September in Annamayya, pack light, breathable clothing and sun protection, with typical highs of 32.1°C and lows of 23.1°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.