September is one of the warmer months of the year in Nalanda, with average highs near 33.5°C and lows around 22.4°C (mean 28°C). It is a relatively wet time of year, averaging 180 mm of rainfall and 84% relative humidity across the period.
September is one of the warmer months of the year in Nalanda. Across 45 years of records, the warmest September in Nalanda was 1983 — when the month averaged 30.3°C — while the coldest was 1984 at 24.5°C. Typical September days reach 33.5°C with nights near 22.4°C. The long-term trend is warming, about 0.2°C per decade.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 27.9°C | 27.6°C | 28.0°C | 28.1°C | 28.5°C | +0.6°C |
| Avg High | 34.0°C | 33.1°C | 33.2°C | 33.7°C | 33.6°C | -0.4°C |
| Avg Low | 21.8°C | 22.1°C | 22.8°C | 22.4°C | 23.4°C | +1.6°C |
| Avg Rain | 171 mm | 173 mm | 170 mm | 197 mm | 194 mm | +23 mm |
September temperatures in Nalanda have risen by about 1.1°C between 1981–1985 and 2021–2025.
September has ranged from a record low of 17.5°C (1994) to a record high of 36.7°C (1983).
Rainfall in September is a relatively wet time of year, averaging 180 mm, with a wettest year of 361 mm.
Daytime highs and overnight lows have shifted differently — highs rose about 0°C per decade while lows rose 0.4°C per decade, narrowing the gap between day and night.
A good time to visit Nalanda
September is a good time to visit Nalanda, with days averaging 33.5°C and nights around 22.4°C (mean 28°C, warmer than Nalanda's yearly average) and higher rainfall. February and November are marginally more temperate, but September still suits most travellers.
| Year | High | Low | Avg | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|
| 2025 | 33.2°C | 23.8°C | 28.5°C | 161 mm | 85% | 1.4 m/s | 4.4 |
| 2024 | 34.1°C | 23.2°C | 28.7°C | 206 mm | 87% | 2.3 m/s | 4.4 |
| 2023 | 34.0°C | 24.1°C | 29.0°C | 261 mm | 86% | 1.9 m/s | 4.3 |
| 2022 | 33.2°C | 23.4°C | 28.3°C | 137 mm | 84% | 1.7 m/s | 3.9 |
| 2021 | 33.3°C | 23.8°C | 28.6°C | 158 mm | 87% | 2.1 m/s | 4.6 |
| 2020 | 33.5°C | 22.3°C | 27.9°C | 243 mm | 86% | 1.5 m/s | 4.1 |
| 2019 | 34.5°C | 23.2°C | 28.8°C | 352 mm | 85% | 2 m/s | 3.9 |
| 2018 | 34.1°C | 23.0°C | 28.6°C | 82 mm | 82% | 2 m/s | 4.8 |
| 2017 | 33.6°C | 23.3°C | 28.4°C | 124 mm | 84% | 1.5 m/s | 4.7 |
| 2016 | 33.4°C | 24.3°C | 28.8°C | 352 mm | 87% | 1.5 m/s | 3.9 |
| 2015 | 33.9°C | 21.9°C | 27.9°C | 108 mm | 81% | 1.8 m/s | 5.2 |
| 2014 | 33.0°C | 21.7°C | 27.3°C | 192 mm | 85% | 1.8 m/s | 4.9 |
| 2013 | 33.6°C | 23.4°C | 28.5°C | 203 mm | 81% | 1.7 m/s | 5 |
| 2012 | 33.0°C | 19.5°C | 26.3°C | 175 mm | 85% | 1.7 m/s | 4.6 |
| 2011 | 33.5°C | 22.7°C | 28.1°C | 269 mm | 88% | 2.5 m/s | 4.5 |
| 2010 | 34.8°C | 21.2°C | 28.0°C | 117 mm | 82% | 2 m/s | 4.8 |
| 2009 | 33.4°C | 24.0°C | 28.7°C | 184 mm | 84% | 1.9 m/s | 5 |
| 2008 | 32.9°C | 21.9°C | 27.4°C | 128 mm | 86% | 1.7 m/s | 5.1 |
| 2007 | 32.5°C | 23.4°C | 28.0°C | 274 mm | 88% | 2.1 m/s | 4.4 |
| 2006 | 33.3°C | 23.3°C | 28.3°C | 221 mm | 85% | 2.1 m/s | 4.5 |
| 2005 | 34.1°C | 22.9°C | 28.5°C | 107 mm | 83% | 2.1 m/s | 4.9 |
| 2004 | 34.7°C | 22.0°C | 28.4°C | 96 mm | 83% | 1.9 m/s | 4.7 |
| 2003 | 32.6°C | 23.8°C | 28.2°C | 151 mm | 87% | 2.1 m/s | 4.8 |
| 2002 | 33.1°C | 22.3°C | 27.7°C | 131 mm | 84% | 2.1 m/s | 4.8 |
| 2001 | 32.9°C | 22.2°C | 27.6°C | 162 mm | 85% | 1.5 m/s | 4.6 |
| 2000 | 32.6°C | 22.0°C | 27.3°C | 248 mm | 87% | 2.4 m/s | 4.2 |
| 1999 | 32.4°C | 22.9°C | 27.7°C | 89 mm | 87% | 2.5 m/s | 4.8 |
| 1998 | 33.3°C | 23.8°C | 28.5°C | 245 mm | 87% | 2 m/s | 4.7 |
| 1997 | 32.3°C | 21.6°C | 27.0°C | 123 mm | 85% | 1.5 m/s | 4.7 |
| 1996 | 32.9°C | 23.6°C | 28.2°C | 140 mm | 84% | 1.4 m/s | 4.9 |
| 1995 | 32.7°C | 22.0°C | 27.4°C | 306 mm | 86% | 2.3 m/s | 4.8 |
| 1994 | 32.4°C | 17.5°C | 25.0°C | 140 mm | 83% | 2.4 m/s | 5 |
| 1993 | 32.9°C | 23.2°C | 28.0°C | 345 mm | 87% | 2.2 m/s | 4.5 |
| 1992 | 34.7°C | 21.9°C | 28.3°C | 51 mm | 79% | 2.2 m/s | 5.2 |
| 1991 | 32.9°C | 22.3°C | 27.6°C | 180 mm | 85% | 1.6 m/s | 4.5 |
| 1990 | 34.2°C | 22.6°C | 28.4°C | 116 mm | 87% | 2 m/s | 4.5 |
| 1989 | 36.4°C | 23.9°C | 30.2°C | 137 mm | 76% | 2 m/s | 4.7 |
| 1988 | 33.8°C | 23.0°C | 28.4°C | 121 mm | 85% | 1.7 m/s | 5.1 |
| 1987 🌧️ | 33.3°C | 21.0°C | 27.1°C | 361 mm | 88% | 2 m/s | 4.6 |
| 1986 | 34.5°C | 21.1°C | 27.8°C | 95 mm | 78% | 2.4 m/s | 4.8 |
| 1985 | 33.3°C | 22.0°C | 27.7°C | 251 mm | 86% | 1.7 m/s | 5.1 |
| 1984 ❄️ | 31.2°C | 17.9°C | 24.5°C | 199 mm | 86% | 2 m/s | 5 |
| 1983 🔥 | 36.7°C | 24.0°C | 30.3°C | 74 mm | 74% | 2.2 m/s | — |
| 1982 | 34.1°C | 20.1°C | 27.1°C | 101 mm | 80% | 2 m/s | — |
| 1981 | 32.6°C | 23.2°C | 27.9°C | 203 mm | 86% | 1.8 m/s | — |
Actual recorded September data for each year, 1981–2025 — sourced from NASA POWER.
The average high in September is around 33.5°C with lows near 22.4°C (mean 28°C), based on 45 years of NASA POWER data.
September averages 180 mm of rainfall in Nalanda, a relatively wet time of year. The wettest on record was 361 mm in 1987.
The hottest September reached 36.7°C in 1983. The coldest dipped to 17.5°C in 1994.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average September temperatures have risen by about 1.1°C. Daytime highs moved from 33.6°C to 33.6°C and overnight lows from 21.4°C to 23.7°C over the same span.
September is one of the warmer months of the year in Nalanda and a relatively wet time of year, so plan for around 33.5°C daytime highs and 22.4°C at night.
Not quite — September is the 7th coolest month in Nalanda, averaging 28°C.
For September in Nalanda, pack light, breathable clothing and sun protection, with typical highs of 33.5°C and lows of 22.4°C. Bring an umbrella or light rain jacket too.
Relative humidity in September averages 84% — quite humid.
Average wind speed in September is 1.9 m/s. The windiest September on record averaged 2.5 m/s (1999).
The wettest September on record was 1987 with 361 mm. On average, September sees 180 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 Nalanda 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.
