September is one of the warmer months of the year in Jhunjhunu, with average highs near 38.2°C and lows around 21°C (mean 29.6°C). It is a relatively wet time of year, averaging 67 mm of rainfall and 57% relative humidity across the period.
September is one of the warmer months of the year in Jhunjhunu. Across 45 years of records, the warmest September in Jhunjhunu was 1999 — when the month averaged 32.8°C — while the coldest was 1994 at 25.7°C. Typical September days reach 38.2°C with nights near 21°C. The long-term trend is cooling, 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 | 30.2°C | 29.4°C | 30.7°C | 28.5°C | 29.1°C | -1.1°C |
| Avg High | 39.1°C | 38.1°C | 39.8°C | 36.9°C | 36.6°C | -2.5°C |
| Avg Low | 21.2°C | 20.8°C | 21.6°C | 20.2°C | 21.6°C | +0.4°C |
| Avg Rain | 43 mm | 78 mm | 53 mm | 72 mm | 101 mm | +58 mm |
September temperatures in Jhunjhunu have fallen by about 0.7°C between 1981–1985 and 2021–2025.
September has ranged from a record low of 17°C (1994) to a record high of 42.3°C (2005).
Rainfall in September is a relatively wet time of year, averaging 67 mm, with a wettest year of 204 mm.
Daytime highs and overnight lows have shifted differently — highs fell about 0.5°C per decade while lows rose 0°C per decade, narrowing the gap between day and night.
A good time to visit Jhunjhunu
September is a good time to visit Jhunjhunu, with days averaging 38.2°C and nights around 21°C (mean 29.6°C, warmer than Jhunjhunu's yearly average) and moderate rainfall. November and March are marginally more temperate, but September still suits most travellers.
| Year | High | Low | Avg | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|
| 2025 | 35.8°C | 21.5°C | 28.6°C | 70 mm | 72% | 2.3 m/s | 5.5 |
| 2024 | 34.7°C | 21.2°C | 27.9°C | 145 mm | 79% | 1.6 m/s | 4.9 |
| 2023 | 39.1°C | 21.3°C | 30.2°C | 47 mm | 58% | 2.3 m/s | 5.4 |
| 2022 | 37.7°C | 21.7°C | 29.7°C | 90 mm | 63% | 2.1 m/s | 5.3 |
| 2021 🌧️ | 34.0°C | 21.9°C | 28.0°C | 204 mm | 84% | 2.5 m/s | 4.5 |
| 2020 | 38.5°C | 21.8°C | 30.1°C | 52 mm | 59% | 1.6 m/s | 5.6 |
| 2019 | 38.4°C | 22.2°C | 30.3°C | 30 mm | 69% | 1.6 m/s | 5.2 |
| 2018 | 37.0°C | 19.6°C | 28.3°C | 89 mm | 63% | 2.3 m/s | 5 |
| 2017 | 39.2°C | 20.5°C | 29.8°C | 24 mm | 46% | 1.8 m/s | 5.6 |
| 2016 | 38.7°C | 21.5°C | 30.1°C | 15 mm | 56% | 1.9 m/s | 6 |
| 2015 | 39.6°C | 19.4°C | 29.5°C | 14 mm | 44% | 2.1 m/s | 6 |
| 2014 | 37.5°C | 21.0°C | 29.2°C | 80 mm | 59% | 2.6 m/s | 5.8 |
| 2013 | 37.6°C | 21.0°C | 29.3°C | 58 mm | 62% | 2.2 m/s | 5.7 |
| 2012 | 34.1°C | 18.6°C | 26.3°C | 81 mm | 71% | 2.1 m/s | 5.4 |
| 2011 | 33.3°C | 19.9°C | 26.6°C | 192 mm | 76% | 2.2 m/s | 5.4 |
| 2010 | 34.0°C | 18.1°C | 26.0°C | 134 mm | 75% | 1.7 m/s | 4.8 |
| 2009 | 40.0°C | 20.9°C | 30.5°C | 89 mm | 51% | 2.1 m/s | 5.9 |
| 2008 | 39.4°C | 21.1°C | 30.2°C | 78 mm | 59% | 2.1 m/s | 5.8 |
| 2007 | 39.5°C | 22.0°C | 30.7°C | 71 mm | 54% | 1.7 m/s | 5.4 |
| 2006 | 39.6°C | 21.7°C | 30.7°C | 61 mm | 53% | 2.2 m/s | 5.9 |
| 2005 | 42.3°C | 21.3°C | 31.8°C | 110 mm | 59% | 2.5 m/s | 5.3 |
| 2004 | 39.5°C | 21.9°C | 30.7°C | 18 mm | 51% | 2.1 m/s | 5.9 |
| 2003 | 38.5°C | 21.7°C | 30.1°C | 52 mm | 58% | 1.8 m/s | 5.6 |
| 2002 | 39.2°C | 22.0°C | 30.6°C | 34 mm | 44% | 2.2 m/s | 5.8 |
| 2001 | 39.4°C | 21.8°C | 30.6°C | 12 mm | 39% | 2 m/s | 6.2 |
| 2000 | 40.9°C | 21.8°C | 31.3°C | 11 mm | 34% | 2.3 m/s | 5.8 |
| 1999 🔥 | 41.4°C | 24.2°C | 32.8°C | 23 mm | 42% | 2.3 m/s | 5.6 |
| 1998 | 40.3°C | 22.4°C | 31.4°C | 152 mm | 62% | 2.1 m/s | 5.3 |
| 1997 | 38.8°C | 21.7°C | 30.2°C | 24 mm | 56% | 2.4 m/s | 5.6 |
| 1996 | 38.3°C | 20.4°C | 29.3°C | 101 mm | 61% | 2.2 m/s | 5.3 |
| 1995 | 37.4°C | 19.3°C | 28.3°C | 64 mm | 61% | 1.9 m/s | 5.7 |
| 1994 ❄️ | 34.4°C | 17.0°C | 25.7°C | 66 mm | 65% | 2.2 m/s | 6.1 |
| 1993 | 39.5°C | 21.6°C | 30.5°C | 88 mm | 58% | 1.9 m/s | 5.5 |
| 1992 | 36.1°C | 18.6°C | 27.3°C | 93 mm | 62% | 2.5 m/s | 5.7 |
| 1991 | 38.1°C | 20.5°C | 29.3°C | 53 mm | 51% | 2.4 m/s | 5.9 |
| 1990 | 36.6°C | 22.2°C | 29.4°C | 113 mm | 66% | 2.2 m/s | 5.3 |
| 1989 | 39.8°C | 21.4°C | 30.6°C | 14 mm | 43% | 2.4 m/s | 5.9 |
| 1988 | 40.3°C | 20.1°C | 30.2°C | 95 mm | 59% | 2.6 m/s | 5.8 |
| 1987 | 41.1°C | 22.9°C | 32.0°C | 14 mm | 32% | 2.3 m/s | 6.1 |
| 1986 | 39.9°C | 21.4°C | 30.7°C | 30 mm | 40% | 2.3 m/s | 5.7 |
| 1985 | 39.1°C | 21.1°C | 30.1°C | 13 mm | 48% | 2.4 m/s | 6 |
| 1984 | 35.7°C | 20.0°C | 27.8°C | 95 mm | 59% | 1.9 m/s | 6 |
| 1983 | 38.5°C | 22.5°C | 30.5°C | 69 mm | 60% | 1.8 m/s | — |
| 1982 | 38.6°C | 19.4°C | 29.0°C | 4 mm | 43% | 2.6 m/s | — |
| 1981 | 39.0°C | 21.9°C | 30.5°C | 56 mm | 54% | 2.1 m/s | — |
Actual recorded September data for each year, 1981–2025 — sourced from NASA POWER.
The average high in September is around 38.2°C with lows near 21°C (mean 29.6°C), based on 45 years of NASA POWER data.
September averages 67 mm of rainfall in Jhunjhunu, a relatively wet time of year. The wettest on record was 204 mm in 2021.
The hottest September reached 42.3°C in 2005. The coldest dipped to 17°C in 1994.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average September temperatures have fallen by about 0.7°C. Daytime highs moved from 38.2°C to 36.3°C and overnight lows from 21°C to 21.5°C over the same span.
September is one of the warmer months of the year in Jhunjhunu and a relatively wet time of year, so plan for around 38.2°C daytime highs and 21°C at night.
Not quite — September is the 8th coolest month in Jhunjhunu, averaging 29.6°C.
For September in Jhunjhunu, pack light, breathable clothing and sun protection, with typical highs of 38.2°C and lows of 21°C. Bring an umbrella or light rain jacket too.
Relative humidity in September averages 57% — moderately humid.
Average wind speed in September is 2.1 m/s. The windiest September on record averaged 2.6 m/s (1982).
The wettest September on record was 2021 with 204 mm. On average, September sees 67 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 Jhunjhunu 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.
