September is close to Bapatla's year-round average, with average highs near 31.2°C and lows around 25.5°C (mean 28.4°C). It is a relatively wet time of year, averaging 164 mm of rainfall and 81% relative humidity across the period.
September is close to Bapatla's year-round average. Across 45 years of records, the warmest September in Bapatla was 1986 — when the month averaged 29.8°C — while the coldest was 1989 at 27.4°C. Typical September days reach 31.2°C with nights near 25.5°C. The long-term September temperature trend is broadly flat.
September is a relatively wet time of year in Bapatla, averaging 164 mm of rainfall. The wettest September on record was 1997 with 387 mm, while the driest was 2011 at 34 mm.
Relative humidity in Bapatla during September averages 81%. The most humid September was 2007 at 87%, and the least humid was 1986 at 70%.
September receives about 4.8 kWh/m²/day of solar energy in Bapatla. The sunniest Septembers were 1984 and 2000 at 5.5 kWh/m²/day, and the cloudiest was 2016 at 4.1.
Average wind speed in Bapatla during September is 2.5 m/s. The windiest September was 1999 at 3.3 m/s, while the calmest were 2004, 2017 and 2018, among others at 2 m/s.
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 | 28.3°C | 28.2°C | 28.3°C | -0.1°C |
| Avg High | 31.3°C | 31.4°C | 31.2°C | 31.0°C | 30.9°C | -0.4°C |
| Avg Low | 25.5°C | 25.5°C | 25.6°C | 25.5°C | 25.7°C | +0.2°C |
| Avg Rain | 139 mm | 173 mm | 159 mm | 163 mm | 196 mm | +58 mm |
September temperatures in Bapatla have stayed relatively stable across the record.
September has ranged from a record low of 21.6°C (1994) to a record high of 36.8°C (1986).
Rainfall in September is a relatively wet time of year, averaging 164 mm, with a wettest year of 387 mm.
A good time to visit Bapatla
September is a good time to visit Bapatla, with days averaging 31.2°C and nights around 25.5°C (mean 28.4°C, close to Bapatla'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 | 30.9°C | 28.2°C | 25.5°C | 32.8°C | 24.2°C | 152 mm | 84% | 2.6 m/s | 4.8 |
| 2024 | 30.8°C | 28.2°C | 25.5°C | 32.8°C | 24.2°C | 173 mm | 85% | 3.1 m/s | 4.5 |
| 2023 | 30.8°C | 28.4°C | 25.9°C | 33.4°C | 24.0°C | 227 mm | 85% | 2.5 m/s | 4.7 |
| 2022 | 31.2°C | 28.4°C | 25.7°C | 32.6°C | 23.8°C | 140 mm | 82% | 2.3 m/s | 4.6 |
| 2021 | 30.9°C | 28.3°C | 25.6°C | 33.4°C | 24.3°C | 200 mm | 83% | 2.5 m/s | 4.4 |
| 2020 | 30.5°C | 28.1°C | 25.7°C | 32.3°C | 23.9°C | 286 mm | 86% | 2.7 m/s | 4.4 |
| 2019 | 30.9°C | 28.2°C | 25.6°C | 33.9°C | 24.4°C | 202 mm | 84% | 2.9 m/s | 4.7 |
| 2018 | 31.4°C | 28.4°C | 25.5°C | 33.8°C | 24.0°C | 80 mm | 79% | 2 m/s | 5.3 |
| 2017 | 30.4°C | 28.1°C | 25.7°C | 32.0°C | 23.9°C | 141 mm | 84% | 2 m/s | 4.9 |
| 2016 | 30.6°C | 27.7°C | 24.9°C | 32.6°C | 23.3°C | 230 mm | 83% | 2.9 m/s | 4.1 |
| 2015 | 31.3°C | 28.6°C | 25.8°C | 33.6°C | 23.8°C | 118 mm | 81% | 2.2 m/s | 4.9 |
| 2014 | 31.2°C | 28.2°C | 25.2°C | 34.4°C | 24.2°C | 130 mm | 81% | 2.7 m/s | 4.7 |
| 2013 | 30.8°C | 28.1°C | 25.3°C | 32.5°C | 23.6°C | 121 mm | 83% | 2.4 m/s | 4.8 |
| 2012 | 30.6°C | 28.0°C | 25.3°C | 33.0°C | 24.2°C | 235 mm | 82% | 2.5 m/s | 4.7 |
| 2011 | 32.6°C | 29.2°C | 25.8°C | 35.7°C | 24.1°C | 34 mm | 76% | 2.4 m/s | 5.3 |
| 2010 | 30.1°C | 27.8°C | 25.5°C | 32.4°C | 24.5°C | 338 mm | 85% | 2.5 m/s | 4.7 |
| 2009 | 31.3°C | 28.5°C | 25.7°C | 34.0°C | 24.7°C | 148 mm | 82% | 2.6 m/s | 5 |
| 2008 | 30.6°C | 27.8°C | 25.1°C | 32.4°C | 22.9°C | 157 mm | 83% | 2.5 m/s | 5.2 |
| 2007 | 30.0°C | 27.6°C | 25.3°C | 32.4°C | 23.9°C | 179 mm | 87% | 3 m/s | 4.5 |
| 2006 | 31.3°C | 28.4°C | 25.5°C | 34.4°C | 23.8°C | 152 mm | 81% | 2.7 m/s | 4.9 |
| 2005 | 30.4°C | 28.0°C | 25.7°C | 33.1°C | 23.6°C | 319 mm | 85% | 2.8 m/s | 4.6 |
| 2004 | 31.7°C | 28.8°C | 25.9°C | 35.5°C | 24.5°C | 155 mm | 79% | 2 m/s | 5 |
| 2003 | 31.4°C | 28.5°C | 25.6°C | 35.0°C | 24.4°C | 144 mm | 80% | 2.8 m/s | 4.9 |
| 2002 | 33.4°C | 29.5°C | 25.7°C | 36.7°C | 23.9°C | 36 mm | 73% | 2.2 m/s | 5.4 |
| 2001 | 31.4°C | 28.6°C | 25.8°C | 35.2°C | 24.9°C | 148 mm | 79% | 2 m/s | 4.8 |
| 2000 | 30.2°C | 27.7°C | 25.3°C | 31.9°C | 24.3°C | 152 mm | 84% | 2.1 m/s | 5.5 |
| 1999 | 32.5°C | 29.2°C | 25.8°C | 35.5°C | 24.3°C | 82 mm | 75% | 3.3 m/s | 5 |
| 1998 | 30.8°C | 28.4°C | 25.9°C | 32.4°C | 24.8°C | 221 mm | 84% | 2.7 m/s | 4.6 |
| 1997 🌧️ | 30.4°C | 28.0°C | 25.6°C | 34.6°C | 24.2°C | 387 mm | 84% | 2.5 m/s | 4.5 |
| 1996 | 30.8°C | 28.1°C | 25.4°C | 32.6°C | 23.7°C | 114 mm | 83% | 2.3 m/s | 4.5 |
| 1995 | 31.2°C | 28.2°C | 25.3°C | 34.0°C | 23.8°C | 185 mm | 82% | 2.7 m/s | 4.2 |
| 1994 | 32.0°C | 28.5°C | 24.9°C | 34.2°C | 21.6°C | 61 mm | 75% | 2.6 m/s | 5.1 |
| 1993 | 31.5°C | 28.6°C | 25.6°C | 34.6°C | 24.2°C | 105 mm | 78% | 2.8 m/s | 4.7 |
| 1992 | 30.8°C | 27.9°C | 25.0°C | 32.6°C | 23.2°C | 180 mm | 80% | 2.2 m/s | 4.4 |
| 1991 | 31.7°C | 28.8°C | 25.9°C | 33.8°C | 24.2°C | 249 mm | 78% | 2.1 m/s | 4.4 |
| 1990 | 31.9°C | 28.8°C | 25.7°C | 34.6°C | 24.3°C | 143 mm | 77% | 2.4 m/s | 4.4 |
| 1989 ❄️ | 29.9°C | 27.4°C | 25.0°C | 32.7°C | 23.7°C | 152 mm | 84% | 2.5 m/s | 4.5 |
| 1988 | 29.9°C | 27.7°C | 25.4°C | 32.2°C | 23.8°C | 183 mm | 86% | 2.6 m/s | 4.4 |
| 1987 | 32.7°C | 29.4°C | 26.1°C | 35.2°C | 24.8°C | 76 mm | 76% | 2.3 m/s | 5 |
| 1986 🔥 | 33.4°C | 29.8°C | 26.1°C | 36.8°C | 24.3°C | 36 mm | 70% | 2.3 m/s | 5.3 |
| 1985 | 32.0°C | 28.7°C | 25.3°C | 35.4°C | 23.4°C | 48 mm | 75% | 2.6 m/s | 5.3 |
| 1984 | 32.4°C | 29.1°C | 25.8°C | 36.4°C | 24.5°C | 91 mm | 71% | 2.5 m/s | 5.5 |
| 1983 | 30.0°C | 27.6°C | 25.2°C | 31.6°C | 24.1°C | 326 mm | 85% | 3.1 m/s | — |
| 1982 | 31.7°C | 28.5°C | 25.3°C | 34.6°C | 23.2°C | 154 mm | 77% | 2.6 m/s | — |
| 1981 | 30.0°C | 27.7°C | 25.4°C | 33.0°C | 24.7°C | 185 mm | 85% | 2.8 m/s | — |
Actual recorded September data for each year, 1981–2025 — sourced from NASA POWER.
The average high in September is around 31.2°C with lows near 25.5°C (mean 28.4°C), based on 45 years of NASA POWER data.
September averages 164 mm of rainfall in Bapatla, a relatively wet time of year. The wettest on record was 387 mm in 1997.
The hottest September reached 36.8°C in 1986. The coldest dipped to 21.6°C in 1994.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average September temperatures have held steady by about 0°C — but days and nights have moved in opposite directions. Overnight lows rose from 25.4°C to 25.6°C while daytime highs eased from 31.2°C to 30.9°C, narrowing the gap between day and night.
September is close to Bapatla's year-round average and a relatively wet time of year, so plan for around 31.2°C daytime highs and 25.5°C at night.
Not quite — September is the 6th coolest month in Bapatla, averaging 28.4°C.
For September in Bapatla, pack light, breathable clothing and sun protection, with typical highs of 31.2°C and lows of 25.5°C. Bring an umbrella or light rain jacket too.
Relative humidity in September averages 81% — quite humid.
Average wind speed in September is 2.5 m/s. The windiest September on record averaged 3.3 m/s (1999).
The wettest September on record was 1997 with 387 mm. On average, September sees 164 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 Bapatla 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.
