September is one of the warmer months of the year in Leh, with average highs near 12.8°C and lows around -1.9°C (mean 5.5°C). It is about average for rainfall, averaging 18 mm of rainfall and 44% relative humidity across the period.
September is one of the warmer months of the year in Leh. Across 45 years of records, the warmest September in Leh was 2021 — when the month averaged 7.2°C — while the coldest was 1982 at 3.1°C. Typical September days reach 12.8°C with nights near -1.9°C. The long-term trend is warming, about 0.3°C per decade.
September is about average for rainfall in Leh, averaging 18 mm of rainfall. The wettest September on record was 2018 with 62 mm, while the driest was 1985 at 1 mm.
Relative humidity in Leh during September averages 44%. The most humid September was 2014 at 55%, and the least humid was 2004 at 33%.
September receives about 5.9 kWh/m²/day of solar energy in Leh. The sunniest September was 1987 at 6.9 kWh/m²/day, and the cloudiest was 2002 at 5.1.
Average wind speed in Leh during September is 1.9 m/s. The windiest September was 1994 at 2.3 m/s, while the calmest were 2021, 2022 and 2025, among others at 1.7 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 4.8°C | 5.6°C | 5.0°C | 5.7°C | 6.3°C | +1.5°C |
| Avg High | 12.4°C | 13.2°C | 12.5°C | 12.7°C | 13.5°C | +1.1°C |
| Avg Low | -2.8°C | -1.9°C | -2.4°C | -1.4°C | -0.8°C | +2°C |
| Avg Rain | 12 mm | 11 mm | 13 mm | 26 mm | 35 mm | +23 mm |
September temperatures in Leh have risen by about 2°C between 1981–1985 and 2021–2025.
September has ranged from a record low of -9.7°C (1982) to a record high of 20.8°C (2005).
Rainfall in September is about average for rainfall, averaging 18 mm, with a wettest year of 62 mm.
Daytime highs and overnight lows have shifted differently — highs rose about 0.1°C per decade while lows rose 0.4°C per decade, narrowing the gap between day and night.
One of the best times to visit Leh
September is one of the best times to visit Leh. Expect days averaging 12.8°C and nights around -1.9°C (mean 5.5°C) — warmer than Leh's yearly average — with low rainfall (18 mm), so conditions are generally comfortable for sightseeing and outdoor plans.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 13.7°C | 6.6°C | -0.5°C | 17.8°C | -3.2°C | 50 mm | 53% | 1.7 m/s | 5.4 |
| 2024 | 14.3°C | 6.8°C | -0.7°C | 18.3°C | -4.1°C | 35 mm | 48% | 1.9 m/s | 5.7 |
| 2023 | 13.1°C | 6.0°C | -1.2°C | 19.9°C | -5.4°C | 34 mm | 51% | 2 m/s | 6 |
| 2022 | 13.1°C | 6.3°C | -0.4°C | 15.6°C | -3.9°C | 42 mm | 54% | 1.7 m/s | 5.3 |
| 2021 🔥 | 14.3°C | 7.2°C | 0.0°C | 18.0°C | -2.7°C | 38 mm | 48% | 1.7 m/s | 5.8 |
| 2020 | 12.4°C | 5.1°C | -2.1°C | 18.3°C | -5.9°C | 8 mm | 51% | 2.1 m/s | 6.2 |
| 2019 | 13.5°C | 6.0°C | -1.5°C | 17.6°C | -4.3°C | 21 mm | 44% | 1.9 m/s | 6.3 |
| 2018 🌧️ | 11.9°C | 5.1°C | -1.8°C | 17.2°C | -5.7°C | 62 mm | 54% | 2 m/s | 5.3 |
| 2017 | 12.6°C | 5.4°C | -1.8°C | 16.6°C | -5.0°C | 13 mm | 50% | 2.1 m/s | 5.6 |
| 2016 | 13.5°C | 6.4°C | -0.7°C | 17.1°C | -2.4°C | 11 mm | 45% | 1.9 m/s | 6 |
| 2015 | 11.1°C | 4.3°C | -2.5°C | 14.7°C | -5.4°C | 19 mm | 50% | 2.2 m/s | 5.6 |
| 2014 | 11.8°C | 5.3°C | -1.2°C | 16.3°C | -5.1°C | 59 mm | 55% | 1.9 m/s | 5.3 |
| 2013 | 13.0°C | 5.9°C | -1.3°C | 15.9°C | -5.3°C | 15 mm | 42% | 1.8 m/s | 5.9 |
| 2012 | 13.4°C | 6.6°C | -0.3°C | 19.4°C | -4.6°C | 34 mm | 52% | 2.2 m/s | 5.2 |
| 2011 | 13.3°C | 6.3°C | -0.7°C | 18.3°C | -5.0°C | 16 mm | 47% | 1.8 m/s | 5.8 |
| 2010 | 12.6°C | 5.4°C | -1.8°C | 18.1°C | -6.6°C | 14 mm | 52% | 2.1 m/s | 5.4 |
| 2009 | 12.4°C | 4.7°C | -3.1°C | 16.5°C | -6.5°C | 13 mm | 37% | 2 m/s | 5.8 |
| 2008 | 10.8°C | 4.0°C | -2.8°C | 14.8°C | -5.9°C | 13 mm | 41% | 1.8 m/s | 5.4 |
| 2007 | 13.4°C | 6.2°C | -0.9°C | 18.8°C | -6.6°C | 7 mm | 43% | 1.9 m/s | 5.7 |
| 2006 | 11.9°C | 5.0°C | -1.9°C | 16.8°C | -6.1°C | 24 mm | 49% | 1.8 m/s | 5.7 |
| 2005 | 14.1°C | 6.3°C | -1.4°C | 20.8°C | -5.4°C | 16 mm | 39% | 1.9 m/s | 5.9 |
| 2004 | 13.5°C | 5.5°C | -2.4°C | 19.0°C | -5.7°C | 4 mm | 33% | 1.9 m/s | 6.2 |
| 2003 | 13.4°C | 5.8°C | -1.7°C | 18.0°C | -8.2°C | 22 mm | 44% | 2.1 m/s | 5.5 |
| 2002 | 10.8°C | 3.8°C | -3.2°C | 15.1°C | -6.2°C | 19 mm | 44% | 1.9 m/s | 5.1 |
| 2001 | 11.5°C | 3.8°C | -3.9°C | 15.8°C | -6.2°C | 4 mm | 39% | 2 m/s | 5.8 |
| 2000 | 12.8°C | 5.1°C | -2.7°C | 19.0°C | -8.0°C | 9 mm | 37% | 1.9 m/s | 5.8 |
| 1999 | 15.3°C | 6.9°C | -1.4°C | 18.2°C | -4.6°C | 9 mm | 35% | 1.8 m/s | 6 |
| 1998 | 14.4°C | 6.8°C | -0.8°C | 19.4°C | -3.9°C | 5 mm | 44% | 1.9 m/s | 5.2 |
| 1997 | 12.7°C | 5.3°C | -2.1°C | 17.9°C | -5.3°C | 4 mm | 40% | 1.7 m/s | 6.3 |
| 1996 | 13.1°C | 5.3°C | -2.4°C | 16.5°C | -4.4°C | 7 mm | 39% | 1.7 m/s | 6.2 |
| 1995 | 11.9°C | 4.5°C | -2.9°C | 14.6°C | -5.4°C | 4 mm | 44% | 1.9 m/s | 5.6 |
| 1994 | 11.8°C | 4.5°C | -2.7°C | 18.0°C | -6.9°C | 8 mm | 44% | 2.3 m/s | 6.4 |
| 1993 | 12.9°C | 5.4°C | -2.1°C | 17.4°C | -5.8°C | 17 mm | 43% | 1.8 m/s | 5.9 |
| 1992 | 12.7°C | 5.3°C | -2.1°C | 20.6°C | -6.1°C | 32 mm | 48% | 2.1 m/s | 6.3 |
| 1991 | 13.4°C | 5.8°C | -1.7°C | 18.8°C | -6.7°C | 13 mm | 40% | 1.8 m/s | 6.3 |
| 1990 | 14.1°C | 6.5°C | -1.1°C | 18.5°C | -5.1°C | 11 mm | 42% | 1.7 m/s | 6 |
| 1989 | 13.0°C | 5.0°C | -3.1°C | 16.6°C | -6.3°C | 3 mm | 39% | 1.9 m/s | 6.7 |
| 1988 | 12.4°C | 4.8°C | -2.9°C | 16.7°C | -9.3°C | 36 mm | 43% | 1.9 m/s | 6.1 |
| 1987 | 13.8°C | 5.7°C | -2.3°C | 19.9°C | -6.6°C | 4 mm | 36% | 1.9 m/s | 6.9 |
| 1986 | 12.4°C | 5.0°C | -2.4°C | 18.1°C | -5.9°C | 11 mm | 39% | 1.8 m/s | 6.1 |
| 1985 | 13.5°C | 5.7°C | -2.1°C | 18.3°C | -4.1°C | 1 mm | 37% | 1.9 m/s | 6.3 |
| 1984 | 11.0°C | 4.1°C | -2.9°C | 17.0°C | -6.3°C | 17 mm | 50% | 1.9 m/s | 6.5 |
| 1983 | 13.9°C | 6.1°C | -1.7°C | 20.2°C | -4.9°C | 21 mm | 45% | 2 m/s | — |
| 1982 ❄️ | 10.6°C | 3.1°C | -4.3°C | 16.7°C | -9.7°C | 7 mm | 41% | 2.1 m/s | — |
| 1981 | 11.2°C | 4.0°C | -3.2°C | 14.0°C | -5.6°C | 9 mm | 42% | 1.8 m/s | — |
Actual recorded September data for each year, 1981–2025 — sourced from NASA POWER.
The average high in September is around 12.8°C with lows near -1.9°C (mean 5.5°C), based on 45 years of NASA POWER data.
September averages 18 mm of rainfall in Leh, about average for rainfall. The wettest on record was 62 mm in 2018.
The hottest September reached 20.8°C in 2005. The coldest dipped to -9.7°C in 1982.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average September temperatures have risen by about 2°C. Daytime highs moved from 12°C to 13.7°C and overnight lows from -2.8°C to -0.6°C over the same span.
September is one of the warmer months of the year in Leh and about average for rainfall, so plan for around 12.8°C daytime highs and -1.9°C at night.
Not quite — September is the 9th coolest month in Leh, averaging 5.5°C.
For September in Leh, pack warm layers and a jacket for chilly mornings, with typical highs of 12.8°C and lows of -1.9°C.
Relative humidity in September averages 44% — relatively dry.
Average wind speed in September is 1.9 m/s. The windiest September on record averaged 2.3 m/s (1994).
The wettest September on record was 2018 with 62 mm. On average, September sees 18 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 Leh 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.
