September is one of the warmer months of the year in Deoghar, with average highs near 30.4°C and lows around 24.2°C (mean 27.3°C). It is a relatively wet time of year, averaging 205 mm of rainfall and 87% relative humidity across the period.
September is one of the warmer months of the year in Deoghar. Across 45 years of records, the warmest Septembers in Deoghar were 1983 and 1992 — when the month averaged 28.2°C — while the coldest was 1984 at 26.1°C. Typical September days reach 30.4°C with nights near 24.2°C. The long-term September temperature trend is broadly flat.
September is a relatively wet time of year in Deoghar, averaging 205 mm of rainfall. The wettest September on record was 2024 with 383 mm, while the driest was 1992 at 81 mm.
Relative humidity in Deoghar during September averages 87%. The most humid September was 1999 at 91%, and the least humid was 1992 at 78%.
September receives about 4.5 kWh/m²/day of solar energy in Deoghar. The sunniest Septembers were 1992 and 2015 at 5.1 kWh/m²/day, and the cloudiest was 2019 at 3.9.
Average wind speed in Deoghar during September is 1.9 m/s. The windiest September was 2011 at 2.6 m/s, while the calmest were 1996, 2017 and 2025 at 1.5 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 27.4°C | 27.1°C | 27.2°C | 27.4°C | 27.6°C | +0.2°C |
| Avg High | 30.8°C | 30.3°C | 30.1°C | 30.6°C | 30.4°C | -0.4°C |
| Avg Low | 24.0°C | 23.9°C | 24.2°C | 24.3°C | 24.9°C | +0.9°C |
| Avg Rain | 172 mm | 178 mm | 216 mm | 211 mm | 267 mm | +95 mm |
September temperatures in Deoghar have risen by about 0.5°C between 1981–1985 and 2021–2025.
September has ranged from a record low of 18°C (1994) to a record high of 36.7°C (1992).
Rainfall in September is a relatively wet time of year, averaging 205 mm, with a wettest year of 383 mm.
Daytime highs and overnight lows have shifted differently — highs fell about 0.1°C per decade while lows rose 0.2°C per decade, narrowing the gap between day and night.
A good time to visit Deoghar
September is a good time to visit Deoghar, with days averaging 30.4°C and nights around 24.2°C (mean 27.3°C, warmer than Deoghar's yearly average) and higher rainfall. November and February 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 | 30.5°C | 27.6°C | 24.7°C | 31.7°C | 23.7°C | 171 mm | 88% | 1.5 m/s | 4.4 |
| 2024 🌧️ | 30.5°C | 27.8°C | 25.2°C | 33.0°C | 23.3°C | 383 mm | 90% | 2.3 m/s | 4.4 |
| 2023 | 30.2°C | 27.7°C | 25.2°C | 33.2°C | 24.0°C | 338 mm | 89% | 1.9 m/s | 4.1 |
| 2022 | 30.5°C | 27.7°C | 24.8°C | 32.5°C | 23.9°C | 215 mm | 88% | 1.7 m/s | 4 |
| 2021 | 30.3°C | 27.4°C | 24.4°C | 32.5°C | 22.8°C | 201 mm | 89% | 2.1 m/s | 4.3 |
| 2020 | 30.3°C | 27.6°C | 25.0°C | 33.2°C | 22.8°C | 296 mm | 89% | 1.6 m/s | 4 |
| 2019 | 30.3°C | 27.5°C | 24.7°C | 32.5°C | 22.5°C | 353 mm | 88% | 2 m/s | 3.9 |
| 2018 | 30.9°C | 27.5°C | 24.2°C | 31.9°C | 22.2°C | 141 mm | 86% | 1.8 m/s | 4.6 |
| 2017 | 31.0°C | 28.0°C | 24.9°C | 32.8°C | 23.8°C | 174 mm | 88% | 1.5 m/s | 4.6 |
| 2016 | 30.4°C | 27.5°C | 24.6°C | 32.4°C | 23.7°C | 328 mm | 89% | 1.6 m/s | 4.2 |
| 2015 | 31.5°C | 27.8°C | 24.1°C | 33.3°C | 21.6°C | 173 mm | 83% | 1.6 m/s | 5.1 |
| 2014 | 30.7°C | 27.4°C | 24.1°C | 32.5°C | 21.6°C | 147 mm | 86% | 1.7 m/s | 4.7 |
| 2013 | 30.8°C | 27.5°C | 24.3°C | 32.7°C | 23.3°C | 145 mm | 85% | 1.7 m/s | 4.7 |
| 2012 | 29.9°C | 26.8°C | 23.7°C | 32.2°C | 19.6°C | 186 mm | 88% | 1.8 m/s | 4.5 |
| 2011 | 29.5°C | 27.0°C | 24.4°C | 32.1°C | 21.5°C | 266 mm | 90% | 2.6 m/s | 4.2 |
| 2010 | 30.6°C | 27.4°C | 24.1°C | 33.4°C | 21.8°C | 200 mm | 85% | 1.9 m/s | 4.6 |
| 2009 | 30.4°C | 27.3°C | 24.3°C | 32.5°C | 23.4°C | 212 mm | 88% | 1.9 m/s | 4.7 |
| 2008 | 30.3°C | 27.1°C | 24.0°C | 32.5°C | 21.7°C | 179 mm | 87% | 1.7 m/s | 4.7 |
| 2007 | 29.7°C | 27.0°C | 24.3°C | 31.3°C | 23.2°C | 321 mm | 90% | 2.2 m/s | 4.5 |
| 2006 | 30.1°C | 27.1°C | 24.2°C | 32.2°C | 23.4°C | 331 mm | 88% | 2.1 m/s | 4.4 |
| 2005 | 30.5°C | 27.5°C | 24.4°C | 32.3°C | 23.1°C | 132 mm | 87% | 2 m/s | 4.8 |
| 2004 | 29.8°C | 27.0°C | 24.1°C | 32.7°C | 22.4°C | 143 mm | 88% | 2.2 m/s | 4.3 |
| 2003 | 30.6°C | 27.7°C | 24.8°C | 32.3°C | 23.5°C | 166 mm | 88% | 2 m/s | 4.4 |
| 2002 | 29.9°C | 26.8°C | 23.7°C | 31.9°C | 21.9°C | 235 mm | 87% | 2 m/s | 4.5 |
| 2001 | 30.3°C | 27.3°C | 24.2°C | 31.7°C | 22.7°C | 185 mm | 87% | 1.6 m/s | 4.5 |
| 2000 | 29.9°C | 26.9°C | 24.0°C | 31.9°C | 20.4°C | 256 mm | 88% | 2.3 m/s | 4 |
| 1999 | 29.1°C | 26.7°C | 24.2°C | 30.9°C | 22.7°C | 138 mm | 91% | 2.5 m/s | 4.3 |
| 1998 | 30.0°C | 27.2°C | 24.4°C | 32.1°C | 23.3°C | 244 mm | 89% | 1.9 m/s | 4.4 |
| 1997 | 30.1°C | 26.9°C | 23.7°C | 31.5°C | 19.8°C | 150 mm | 88% | 1.7 m/s | 4.6 |
| 1996 | 30.7°C | 27.4°C | 24.1°C | 32.3°C | 23.1°C | 95 mm | 86% | 1.5 m/s | 4.7 |
| 1995 | 29.9°C | 27.0°C | 24.0°C | 31.9°C | 21.7°C | 226 mm | 88% | 2.3 m/s | 4.2 |
| 1994 | 30.3°C | 26.5°C | 22.8°C | 31.8°C | 18.0°C | 106 mm | 84% | 2.2 m/s | 4.7 |
| 1993 | 29.8°C | 26.8°C | 23.9°C | 32.4°C | 22.9°C | 246 mm | 87% | 2.2 m/s | 4 |
| 1992 | 32.7°C | 28.2°C | 23.7°C | 36.7°C | 21.6°C | 81 mm | 78% | 2.2 m/s | 5.1 |
| 1991 | 29.9°C | 27.0°C | 24.1°C | 32.1°C | 21.9°C | 273 mm | 88% | 1.9 m/s | 4.2 |
| 1990 | 30.3°C | 27.3°C | 24.4°C | 33.1°C | 22.9°C | 219 mm | 89% | 2 m/s | 4.4 |
| 1989 | 31.5°C | 28.0°C | 24.6°C | 35.3°C | 23.3°C | 189 mm | 83% | 2 m/s | 4.5 |
| 1988 | 31.1°C | 27.8°C | 24.5°C | 33.0°C | 22.8°C | 115 mm | 86% | 1.6 m/s | 5 |
| 1987 | 30.5°C | 27.5°C | 24.5°C | 32.5°C | 21.4°C | 258 mm | 88% | 2 m/s | 4.5 |
| 1986 | 31.4°C | 27.6°C | 23.8°C | 35.0°C | 22.0°C | 137 mm | 80% | 2.4 m/s | 4.5 |
| 1985 | 30.5°C | 27.2°C | 23.8°C | 32.3°C | 21.8°C | 199 mm | 86% | 1.8 m/s | 5 |
| 1984 ❄️ | 29.5°C | 26.1°C | 22.7°C | 30.9°C | 18.2°C | 164 mm | 87% | 1.8 m/s | 4.8 |
| 1983 🔥 | 31.8°C | 28.2°C | 24.6°C | 33.9°C | 22.9°C | 123 mm | 82% | 2.2 m/s | — |
| 1982 | 31.2°C | 27.2°C | 23.2°C | 32.8°C | 19.4°C | 121 mm | 83% | 1.8 m/s | — |
| 1981 | 29.7°C | 27.0°C | 24.2°C | 31.9°C | 22.5°C | 245 mm | 89% | 1.8 m/s | — |
Actual recorded September data for each year, 1981–2025 — sourced from NASA POWER.
The average high in September is around 30.4°C with lows near 24.2°C (mean 27.3°C), based on 45 years of NASA POWER data.
September averages 205 mm of rainfall in Deoghar, a relatively wet time of year. The wettest on record was 383 mm in 2024.
The hottest September reached 36.7°C in 1992. The coldest dipped to 18°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 — but days and nights have moved in opposite directions. Overnight lows rose from 23.7°C to 24.9°C while daytime highs eased from 30.5°C to 30.4°C, narrowing the gap between day and night.
September is one of the warmer months of the year in Deoghar and a relatively wet time of year, so plan for around 30.4°C daytime highs and 24.2°C at night.
Not quite — September is the 7th coolest month in Deoghar, averaging 27.3°C.
For September in Deoghar, pack light, breathable clothing and sun protection, with typical highs of 30.4°C and lows of 24.2°C. Bring an umbrella or light rain jacket too.
Relative humidity in September averages 87% — quite humid.
Average wind speed in September is 1.9 m/s. The windiest September on record averaged 2.6 m/s (2011).
The wettest September on record was 2024 with 383 mm. On average, September sees 205 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 Deoghar 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.
