September is one of the warmer months of the year in Kullu, with average highs near 20.9°C and lows around 12.4°C (mean 16.7°C). It is a relatively wet time of year, averaging 132 mm of rainfall and 74% relative humidity across the period.
September is one of the warmer months of the year in Kullu. Across 45 years of records, the warmest September in Kullu was 1987 — when the month averaged 18.4°C — while the coldest was 1984 at 14.9°C. Typical September days reach 20.9°C with nights near 12.4°C. The long-term September temperature trend is broadly flat.
September is a relatively wet time of year in Kullu, averaging 132 mm of rainfall. The wettest September on record was 2014 with 374 mm, while the driest was 1987 at 4 mm.
Relative humidity in Kullu during September averages 74%. The most humid September was 2021 at 88%, and the least humid was 1982 at 50%.
September receives about 4.9 kWh/m²/day of solar energy in Kullu. The sunniest Septembers were 2001 and 2020 at 5.8 kWh/m²/day, and the cloudiest were 1990 and 2010 at 4.1.
Average wind speed in Kullu during September is 1.5 m/s. The windiest September was 1987 at 1.8 m/s, while the calmest were 2011, 2021 and 2023, among others at 1.3 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 16.8°C | 16.5°C | 16.3°C | 16.4°C | 17.3°C | +0.5°C |
| Avg High | 21.9°C | 20.8°C | 20.8°C | 20.1°C | 20.8°C | -1.1°C |
| Avg Low | 11.8°C | 12.3°C | 11.8°C | 12.8°C | 13.8°C | +2°C |
| Avg Rain | 91 mm | 121 mm | 118 mm | 175 mm | 165 mm | +74 mm |
September temperatures in Kullu have risen by about 0.9°C between 1981–1985 and 2021–2025.
September has ranged from a record low of 6.7°C (1982) to a record high of 25.8°C (1987).
Rainfall in September is a relatively wet time of year, averaging 132 mm, with a wettest year of 374 mm.
Daytime highs and overnight lows have shifted differently — highs fell about 0.3°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 Kullu
September is one of the best times to visit Kullu. Expect days averaging 20.9°C and nights around 12.4°C (mean 16.7°C) — warmer than Kullu's yearly average — with higher rainfall (132 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 | 20.6°C | 17.5°C | 14.3°C | 22.3°C | 11.8°C | 277 mm | 87% | 1.4 m/s | 4.4 |
| 2024 | 21.4°C | 17.9°C | 14.3°C | 23.4°C | 11.3°C | 182 mm | 83% | 1.4 m/s | 4.4 |
| 2023 | 21.2°C | 17.5°C | 13.7°C | 22.8°C | 10.3°C | 95 mm | 80% | 1.3 m/s | 5 |
| 2022 | 20.0°C | 16.7°C | 13.4°C | 21.9°C | 10.6°C | 176 mm | 87% | 1.4 m/s | 4.4 |
| 2021 | 20.3°C | 17.1°C | 14.0°C | 22.4°C | 11.3°C | 232 mm | 88% | 1.3 m/s | 4.3 |
| 2020 | 21.3°C | 17.2°C | 13.1°C | 23.1°C | 9.0°C | 27 mm | 76% | 1.4 m/s | 5.8 |
| 2019 | 21.2°C | 17.4°C | 13.6°C | 23.3°C | 10.8°C | 97 mm | 81% | 1.4 m/s | 4.8 |
| 2018 | 19.2°C | 15.8°C | 12.4°C | 21.6°C | 9.5°C | 312 mm | 81% | 1.4 m/s | 4.5 |
| 2017 | 20.7°C | 16.6°C | 12.6°C | 22.2°C | 10.8°C | 90 mm | 78% | 1.4 m/s | 5 |
| 2016 | 20.4°C | 16.8°C | 13.2°C | 21.9°C | 11.1°C | 57 mm | 84% | 1.4 m/s | 5.6 |
| 2015 | 20.3°C | 16.2°C | 12.0°C | 22.4°C | 8.9°C | 91 mm | 72% | 1.5 m/s | 5.6 |
| 2014 🌧️ | 19.6°C | 16.2°C | 12.8°C | 21.4°C | 10.7°C | 374 mm | 85% | 1.4 m/s | 4.9 |
| 2013 | 19.7°C | 16.2°C | 12.8°C | 21.3°C | 10.8°C | 68 mm | 83% | 1.4 m/s | 5 |
| 2012 | 20.2°C | 16.9°C | 13.5°C | 22.6°C | 10.6°C | 179 mm | 83% | 1.5 m/s | 4.7 |
| 2011 | 19.8°C | 16.2°C | 12.5°C | 21.7°C | 9.7°C | 198 mm | 81% | 1.3 m/s | 4.9 |
| 2010 | 19.8°C | 16.1°C | 12.4°C | 22.0°C | 8.5°C | 283 mm | 81% | 1.3 m/s | 4.1 |
| 2009 | 21.2°C | 16.4°C | 11.7°C | 23.2°C | 7.6°C | 130 mm | 67% | 1.4 m/s | 4.9 |
| 2008 | 19.4°C | 15.2°C | 11.1°C | 21.5°C | 7.4°C | 188 mm | 75% | 1.4 m/s | 5.1 |
| 2007 | 20.7°C | 16.6°C | 12.5°C | 22.6°C | 7.8°C | 62 mm | 76% | 1.4 m/s | 4.6 |
| 2006 | 20.2°C | 16.1°C | 12.1°C | 21.7°C | 9.1°C | 173 mm | 77% | 1.4 m/s | 5.3 |
| 2005 | 21.4°C | 17.1°C | 12.8°C | 25.0°C | 8.1°C | 178 mm | 73% | 1.4 m/s | 4.3 |
| 2004 | 21.7°C | 17.0°C | 12.3°C | 23.6°C | 8.9°C | 17 mm | 64% | 1.5 m/s | 5.5 |
| 2003 | 20.5°C | 16.5°C | 12.5°C | 22.1°C | 8.0°C | 134 mm | 76% | 1.4 m/s | 4.5 |
| 2002 | 19.7°C | 15.2°C | 10.8°C | 21.5°C | 8.1°C | 176 mm | 71% | 1.4 m/s | 4.6 |
| 2001 | 21.6°C | 16.3°C | 11.0°C | 22.9°C | 8.7°C | 39 mm | 61% | 1.6 m/s | 5.8 |
| 2000 | 21.4°C | 16.4°C | 11.5°C | 23.5°C | 7.7°C | 87 mm | 65% | 1.6 m/s | 5 |
| 1999 | 23.3°C | 18.2°C | 13.2°C | 24.2°C | 10.5°C | 101 mm | 65% | 1.6 m/s | 5 |
| 1998 | 22.3°C | 17.8°C | 13.2°C | 23.9°C | 10.6°C | 73 mm | 70% | 1.5 m/s | 4.3 |
| 1997 | 20.7°C | 16.4°C | 12.1°C | 21.9°C | 7.2°C | 23 mm | 72% | 1.5 m/s | 4.7 |
| 1996 | 20.4°C | 16.4°C | 12.5°C | 21.8°C | 10.4°C | 122 mm | 77% | 1.4 m/s | 4.7 |
| 1995 | 19.8°C | 15.8°C | 11.8°C | 21.1°C | 10.1°C | 115 mm | 76% | 1.4 m/s | 4.9 |
| 1994 | 19.6°C | 15.6°C | 11.6°C | 21.8°C | 7.9°C | 81 mm | 69% | 1.3 m/s | 5.3 |
| 1993 | 20.4°C | 16.0°C | 11.7°C | 22.1°C | 9.8°C | 176 mm | 72% | 1.4 m/s | 4.6 |
| 1992 | 19.9°C | 15.8°C | 11.6°C | 22.6°C | 7.9°C | 141 mm | 73% | 1.4 m/s | 4.4 |
| 1991 | 20.9°C | 16.4°C | 12.0°C | 22.5°C | 7.7°C | 122 mm | 72% | 1.5 m/s | 5.1 |
| 1990 | 20.7°C | 17.0°C | 13.3°C | 22.8°C | 9.6°C | 251 mm | 81% | 1.4 m/s | 4.1 |
| 1989 | 22.5°C | 17.1°C | 11.7°C | 23.9°C | 8.5°C | 55 mm | 62% | 1.6 m/s | 5.3 |
| 1988 | 22.1°C | 17.2°C | 12.3°C | 25.3°C | 8.1°C | 277 mm | 67% | 1.6 m/s | 4.5 |
| 1987 🔥 | 24.4°C | 18.4°C | 12.4°C | 25.8°C | 7.6°C | 4 mm | 52% | 1.8 m/s | 5.6 |
| 1986 | 22.3°C | 16.8°C | 11.2°C | 25.0°C | 8.3°C | 59 mm | 58% | 1.7 m/s | 4.8 |
| 1985 | 20.9°C | 16.5°C | 12.1°C | 22.1°C | 9.8°C | 34 mm | 72% | 1.5 m/s | 4.5 |
| 1984 ❄️ | 19.0°C | 14.9°C | 10.9°C | 21.8°C | 7.7°C | 143 mm | 77% | 1.4 m/s | 5 |
| 1983 | 22.6°C | 17.8°C | 13.0°C | 24.2°C | 9.6°C | 116 mm | 69% | 1.6 m/s | — |
| 1982 | 22.7°C | 16.6°C | 10.6°C | 25.1°C | 6.7°C | 10 mm | 50% | 1.7 m/s | — |
| 1981 | 20.5°C | 16.1°C | 11.8°C | 22.1°C | 7.4°C | 119 mm | 72% | 1.4 m/s | — |
Actual recorded September data for each year, 1981–2025 — sourced from NASA POWER.
The average high in September is around 20.9°C with lows near 12.4°C (mean 16.7°C), based on 45 years of NASA POWER data.
September averages 132 mm of rainfall in Kullu, a relatively wet time of year. The wettest on record was 374 mm in 2014.
The hottest September reached 25.8°C in 1987. The coldest dipped to 6.7°C in 1982.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average September temperatures have risen by about 0.9°C — but days and nights have moved in opposite directions. Overnight lows rose from 11.7°C to 13.9°C while daytime highs eased from 21.1°C to 20.7°C, narrowing the gap between day and night.
September is one of the warmer months of the year in Kullu and a relatively wet time of year, so plan for around 20.9°C daytime highs and 12.4°C at night.
Not quite — September is the 8th coolest month in Kullu, averaging 16.7°C.
For September in Kullu, pack light layers you can adjust through the day, with typical highs of 20.9°C and lows of 12.4°C. Bring an umbrella or light rain jacket too.
Relative humidity in September averages 74% — moderately humid.
Average wind speed in September is 1.5 m/s. The windiest September on record averaged 1.8 m/s (1987).
The wettest September on record was 2014 with 374 mm. On average, September sees 132 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 Kullu 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.
