September is one of the warmer months of the year in Jaisalmer, with average highs near 38.1°C and lows around 25.6°C (mean 31.9°C). It is about average for rainfall, averaging 25 mm of rainfall and 46% relative humidity across the period.
September is one of the warmer months of the year in Jaisalmer. Across 45 years of records, the warmest September in Jaisalmer was 1999 — when the month averaged 33.5°C — while the coldest was 2011 at 29.4°C. Typical September days reach 38.1°C with nights near 25.6°C. The long-term trend is cooling, about 0.2°C per decade.
September is about average for rainfall in Jaisalmer, averaging 25 mm of rainfall. The wettest September on record was 2021 with 124 mm, while the driest were 1987, 1991 and 2000, among others at 0 mm.
Relative humidity in Jaisalmer during September averages 46%. The most humid September was 2011 at 70%, and the least humid was 1986 at 34%.
September receives about 6 kWh/m²/day of solar energy in Jaisalmer. The sunniest September was 2016 at 6.5 kWh/m²/day, and the cloudiest was 2011 at 5.4.
Average wind speed in Jaisalmer during September is 3.1 m/s. The windiest September was 1991 at 4.1 m/s, while the calmest were 2007 and 2010 at 2.2 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 32.2°C | 32.2°C | 32.2°C | 31.2°C | 31.5°C | -0.7°C |
| Avg High | 39.0°C | 38.5°C | 38.6°C | 37.2°C | 37.0°C | -2°C |
| Avg Low | 25.3°C | 25.8°C | 25.8°C | 25.2°C | 26.0°C | +0.7°C |
| Avg Rain | 7 mm | 24 mm | 14 mm | 45 mm | 36 mm | +29 mm |
September temperatures in Jaisalmer have stayed relatively stable across the record.
September has ranged from a record low of 19.8°C (1994) to a record high of 43.9°C (2023).
Rainfall in September is about average for rainfall, averaging 25 mm, with a wettest year of 124 mm.
Daytime highs and overnight lows have shifted differently — highs fell about 0.5°C per decade while lows rose 0.1°C per decade, narrowing the gap between day and night.
A good time to visit Jaisalmer
September is a good time to visit Jaisalmer, with days averaging 38.1°C and nights around 25.6°C (mean 31.9°C, warmer than Jaisalmer's yearly average) and low 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 | 37.0°C | 31.3°C | 25.6°C | 41.4°C | 23.3°C | 26 mm | 57% | 3.6 m/s | 5.6 |
| 2024 | 37.0°C | 31.4°C | 25.8°C | 40.8°C | 23.1°C | 29 mm | 62% | 2.6 m/s | 5.8 |
| 2023 | 39.4°C | 33.0°C | 26.7°C | 43.9°C | 23.6°C | 7 mm | 46% | 3 m/s | 6 |
| 2022 | 35.3°C | 30.0°C | 24.6°C | 39.0°C | 22.3°C | 5 mm | 69% | 3 m/s | 6.1 |
| 2021 🌧️ | 36.8°C | 32.3°C | 27.8°C | 39.9°C | 25.3°C | 124 mm | 58% | 2.6 m/s | 5.5 |
| 2020 | 36.5°C | 30.8°C | 25.2°C | 41.0°C | 21.8°C | 26 mm | 61% | 2.6 m/s | 5.8 |
| 2019 | 38.4°C | 32.8°C | 27.2°C | 42.9°C | 24.8°C | 49 mm | 57% | 2.5 m/s | 5.8 |
| 2018 | 37.9°C | 31.5°C | 25.1°C | 40.1°C | 23.4°C | 2 mm | 43% | 3.3 m/s | 6.1 |
| 2017 | 38.3°C | 31.7°C | 25.2°C | 40.8°C | 23.0°C | 1 mm | 47% | 2.6 m/s | 6 |
| 2016 | 38.0°C | 31.2°C | 24.4°C | 41.3°C | 23.1°C | 1 mm | 48% | 3.1 m/s | 6.5 |
| 2015 | 36.8°C | 30.3°C | 23.8°C | 40.6°C | 20.2°C | 91 mm | 50% | 2.8 m/s | 6.2 |
| 2014 | 38.0°C | 31.8°C | 25.7°C | 40.5°C | 23.8°C | 34 mm | 47% | 3.6 m/s | 6.3 |
| 2013 | 38.9°C | 32.5°C | 26.1°C | 42.4°C | 23.8°C | 11 mm | 44% | 3.2 m/s | 6.2 |
| 2012 | 35.7°C | 30.3°C | 24.9°C | 39.1°C | 21.8°C | 104 mm | 59% | 2.9 m/s | 5.5 |
| 2011 ❄️ | 34.1°C | 29.4°C | 24.8°C | 36.4°C | 22.1°C | 82 mm | 70% | 3.3 m/s | 5.4 |
| 2010 | 36.3°C | 30.6°C | 24.9°C | 39.2°C | 20.8°C | 78 mm | 55% | 2.2 m/s | 6 |
| 2009 | 40.1°C | 33.0°C | 25.8°C | 42.5°C | 23.3°C | 1 mm | 39% | 3 m/s | 6.4 |
| 2008 | 38.9°C | 32.3°C | 25.8°C | 41.5°C | 23.5°C | 5 mm | 42% | 3 m/s | 6.1 |
| 2007 | 38.8°C | 33.0°C | 27.3°C | 42.2°C | 23.3°C | 14 mm | 43% | 2.2 m/s | 6.1 |
| 2006 | 35.4°C | 29.9°C | 24.4°C | 38.9°C | 22.9°C | 14 mm | 63% | 2.4 m/s | 5.8 |
| 2005 | 38.1°C | 32.2°C | 26.4°C | 43.7°C | 22.7°C | 75 mm | 49% | 2.8 m/s | 6 |
| 2004 | 39.2°C | 33.2°C | 27.3°C | 41.6°C | 23.6°C | 12 mm | 39% | 3.1 m/s | 6.1 |
| 2003 | 38.1°C | 31.7°C | 25.3°C | 39.8°C | 23.5°C | 1 mm | 47% | 3.2 m/s | 6.1 |
| 2002 | 39.0°C | 31.9°C | 24.7°C | 40.7°C | 21.8°C | 17 mm | 38% | 3.3 m/s | 6.1 |
| 2001 | 39.1°C | 32.3°C | 25.4°C | 41.6°C | 23.1°C | 0 mm | 35% | 2.9 m/s | 6.3 |
| 2000 | 39.5°C | 32.6°C | 25.7°C | 42.2°C | 22.8°C | 0 mm | 36% | 3.6 m/s | 6.3 |
| 1999 🔥 | 40.4°C | 33.5°C | 26.6°C | 43.4°C | 24.2°C | 0 mm | 36% | 3.3 m/s | 6.4 |
| 1998 | 38.4°C | 32.8°C | 27.3°C | 42.9°C | 24.1°C | 70 mm | 46% | 3.2 m/s | 5.9 |
| 1997 | 39.1°C | 33.0°C | 26.8°C | 41.0°C | 24.4°C | 10 mm | 41% | 3.5 m/s | 6.1 |
| 1996 | 39.6°C | 33.0°C | 26.4°C | 41.6°C | 23.6°C | 3 mm | 37% | 3.2 m/s | 6.1 |
| 1995 | 39.0°C | 32.0°C | 25.0°C | 40.3°C | 22.5°C | 0 mm | 41% | 2.8 m/s | 6.2 |
| 1994 | 35.8°C | 29.9°C | 24.0°C | 38.0°C | 19.8°C | 47 mm | 53% | 3.1 m/s | 5.9 |
| 1993 | 39.4°C | 32.7°C | 26.0°C | 41.7°C | 23.2°C | 38 mm | 42% | 2.5 m/s | 6.2 |
| 1992 | 37.3°C | 30.9°C | 24.5°C | 39.6°C | 21.2°C | 23 mm | 44% | 3.2 m/s | 5.9 |
| 1991 | 38.1°C | 31.4°C | 24.8°C | 41.3°C | 20.4°C | 0 mm | 40% | 4.1 m/s | 6.3 |
| 1990 | 38.2°C | 32.3°C | 26.5°C | 41.0°C | 24.3°C | 43 mm | 48% | 3.2 m/s | 5.8 |
| 1989 | 39.1°C | 32.4°C | 25.6°C | 40.1°C | 22.6°C | 0 mm | 38% | 3.5 m/s | 6.2 |
| 1988 | 39.5°C | 33.1°C | 26.7°C | 42.1°C | 24.3°C | 4 mm | 45% | 3.6 m/s | 6.3 |
| 1987 | 40.2°C | 33.0°C | 25.7°C | 42.6°C | 22.8°C | 0 mm | 36% | 3.9 m/s | 6 |
| 1986 | 39.1°C | 31.8°C | 24.5°C | 40.9°C | 23.2°C | 0 mm | 34% | 2.9 m/s | 6.2 |
| 1985 | 39.2°C | 31.9°C | 24.7°C | 40.9°C | 23.4°C | 0 mm | 36% | 3.6 m/s | 6.1 |
| 1984 | 37.4°C | 30.9°C | 24.4°C | 40.7°C | 21.9°C | 35 mm | 44% | 2.9 m/s | 6 |
| 1983 | 38.9°C | 32.5°C | 26.0°C | 41.6°C | 23.9°C | 15 mm | 42% | 2.5 m/s | — |
| 1982 | 38.9°C | 31.7°C | 24.5°C | 40.7°C | 20.7°C | 0 mm | 37% | 3.5 m/s | — |
| 1981 | 38.5°C | 32.1°C | 25.7°C | 40.7°C | 22.7°C | 5 mm | 48% | 2.8 m/s | — |
Actual recorded September data for each year, 1981–2025 — sourced from NASA POWER.
The average high in September is around 38.1°C with lows near 25.6°C (mean 31.9°C), based on 45 years of NASA POWER data.
September averages 25 mm of rainfall in Jaisalmer, about average for rainfall. The wettest on record was 124 mm in 2021.
The hottest September reached 43.9°C in 2023. The coldest dipped to 19.8°C in 1994.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average September temperatures have fallen by about 0.2°C — but days and nights have moved in opposite directions. Overnight lows rose from 25.1°C to 26.1°C while daytime highs eased from 38.6°C to 37.1°C, narrowing the gap between day and night.
September is one of the warmer months of the year in Jaisalmer and about average for rainfall, so plan for around 38.1°C daytime highs and 25.6°C at night.
Not quite — September is the 8th coolest month in Jaisalmer, averaging 31.9°C.
For September in Jaisalmer, pack light, breathable clothing and sun protection, with typical highs of 38.1°C and lows of 25.6°C.
Relative humidity in September averages 46% — relatively dry.
Average wind speed in September is 3.1 m/s. The windiest September on record averaged 4.1 m/s (1991).
The wettest September on record was 2021 with 124 mm. On average, September sees 25 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 Jaisalmer 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.
