September is one of the warmer months of the year in Jamnagar, with average highs near 31.9°C and lows around 25.5°C (mean 28.7°C). It is a relatively wet time of year, averaging 98 mm of rainfall and 76% relative humidity across the period.
September is one of the warmer months of the year in Jamnagar. Across 45 years of records, the warmest September in Jamnagar was 1999 — when the month averaged 30.1°C — while the coldest was 1994 at 27.1°C. Typical September days reach 31.9°C with nights near 25.5°C. The long-term trend is cooling, about 0.2°C per decade.
September is a relatively wet time of year in Jamnagar, averaging 98 mm of rainfall. The wettest September on record was 2021 with 509 mm, while the driest was 1987 at 0 mm.
Relative humidity in Jamnagar during September averages 76%. The most humid September was 2021 at 86%, and the least humid were 1986 and 1999 at 67%.
September receives about 5.3 kWh/m²/day of solar energy in Jamnagar. The sunniest September was 1987 at 6.2 kWh/m²/day, and the cloudiest was 2021 at 3.7.
Average wind speed in Jamnagar during September is 3.5 m/s. The windiest September was 1993 at 4.4 m/s, while the calmest was 1981 at 2.8 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 29.0°C | 28.9°C | 28.7°C | 28.4°C | 28.4°C | -0.6°C |
| Avg High | 32.7°C | 32.4°C | 31.9°C | 31.4°C | 30.8°C | -1.9°C |
| Avg Low | 25.4°C | 25.4°C | 25.5°C | 25.5°C | 25.9°C | +0.5°C |
| Avg Rain | 59 mm | 60 mm | 65 mm | 160 mm | 174 mm | +114 mm |
September temperatures in Jamnagar have fallen by about 0.6°C between 1981–1985 and 2021–2025.
September has ranged from a record low of 22.1°C (1994) to a record high of 39.4°C (2000).
Rainfall in September is a relatively wet time of year, averaging 98 mm, with a wettest year of 509 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 Jamnagar
September is a good time to visit Jamnagar, with days averaging 31.9°C and nights around 25.5°C (mean 28.7°C, warmer than Jamnagar's yearly average) and higher rainfall. December 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 | 30.7°C | 28.1°C | 25.5°C | 32.9°C | 24.4°C | 181 mm | 82% | 3.5 m/s | 4.5 |
| 2024 | 30.5°C | 28.2°C | 25.8°C | 31.7°C | 24.4°C | 64 mm | 84% | 3.3 m/s | 4.8 |
| 2023 | 31.8°C | 28.9°C | 26.0°C | 34.4°C | 24.1°C | 78 mm | 79% | 3.9 m/s | 5 |
| 2022 | 30.4°C | 28.0°C | 25.6°C | 32.4°C | 24.0°C | 137 mm | 82% | 3.2 m/s | 5.1 |
| 2021 🌧️ | 30.4°C | 28.4°C | 26.4°C | 31.9°C | 25.6°C | 509 mm | 86% | 3.5 m/s | 3.7 |
| 2020 | 30.8°C | 28.5°C | 26.2°C | 31.9°C | 24.8°C | 72 mm | 82% | 2.9 m/s | 5.1 |
| 2019 | 30.5°C | 28.5°C | 26.6°C | 32.3°C | 25.8°C | 329 mm | 86% | 3.2 m/s | 4 |
| 2018 | 31.9°C | 28.2°C | 24.5°C | 35.5°C | 22.9°C | 14 mm | 74% | 3.8 m/s | 5.3 |
| 2017 | 31.1°C | 28.0°C | 25.0°C | 32.5°C | 23.2°C | 32 mm | 80% | 3.1 m/s | 5.1 |
| 2016 | 31.9°C | 28.7°C | 25.5°C | 33.6°C | 24.6°C | 23 mm | 75% | 3.9 m/s | 5.5 |
| 2015 | 32.7°C | 29.0°C | 25.4°C | 35.7°C | 23.5°C | 72 mm | 74% | 3.3 m/s | 5.6 |
| 2014 | 31.5°C | 28.5°C | 25.5°C | 33.5°C | 24.5°C | 69 mm | 78% | 3.5 m/s | 4.9 |
| 2013 | 32.2°C | 29.1°C | 25.9°C | 35.2°C | 24.9°C | 443 mm | 77% | 4 m/s | 5 |
| 2012 | 31.3°C | 28.5°C | 25.8°C | 34.4°C | 24.2°C | 209 mm | 80% | 3.5 m/s | 4.8 |
| 2011 | 30.2°C | 27.7°C | 25.3°C | 31.7°C | 23.7°C | 261 mm | 83% | 3.3 m/s | 4.7 |
| 2010 | 30.4°C | 28.0°C | 25.6°C | 32.4°C | 23.2°C | 152 mm | 82% | 2.9 m/s | 4.8 |
| 2009 | 32.0°C | 28.7°C | 25.5°C | 34.1°C | 24.2°C | 2 mm | 77% | 3.5 m/s | 6.1 |
| 2008 | 31.5°C | 28.5°C | 25.5°C | 35.9°C | 23.6°C | 195 mm | 78% | 3.3 m/s | 5.2 |
| 2007 | 30.9°C | 28.5°C | 26.1°C | 32.4°C | 23.3°C | 136 mm | 82% | 3.1 m/s | 5.4 |
| 2006 | 30.4°C | 27.8°C | 25.1°C | 31.7°C | 24.1°C | 77 mm | 83% | 2.9 m/s | 5.4 |
| 2005 | 31.6°C | 28.8°C | 25.9°C | 34.4°C | 23.4°C | 161 mm | 80% | 3.6 m/s | 4.9 |
| 2004 | 31.8°C | 28.7°C | 25.6°C | 34.1°C | 23.8°C | 31 mm | 76% | 3.1 m/s | 5.6 |
| 2003 | 31.0°C | 28.1°C | 25.2°C | 34.2°C | 24.3°C | 12 mm | 79% | 3.6 m/s | 5 |
| 2002 | 32.6°C | 28.7°C | 24.9°C | 37.1°C | 23.3°C | 9 mm | 70% | 3.9 m/s | 5.8 |
| 2001 | 33.9°C | 29.8°C | 25.8°C | 38.4°C | 24.8°C | 18 mm | 70% | 3.3 m/s | 5.5 |
| 2000 | 33.7°C | 29.6°C | 25.5°C | 39.4°C | 23.6°C | 5 mm | 68% | 3.7 m/s | 5.5 |
| 1999 🔥 | 34.0°C | 30.1°C | 26.3°C | 35.5°C | 25.6°C | 40 mm | 67% | 4.2 m/s | 5.4 |
| 1998 | 33.3°C | 29.9°C | 26.5°C | 36.4°C | 25.3°C | 52 mm | 74% | 4 m/s | 5.2 |
| 1997 | 32.0°C | 28.8°C | 25.6°C | 34.0°C | 24.5°C | 99 mm | 75% | 3.6 m/s | 5.1 |
| 1996 | 32.7°C | 28.9°C | 25.0°C | 35.3°C | 23.6°C | 6 mm | 71% | 3.8 m/s | 5.3 |
| 1995 | 33.8°C | 29.9°C | 25.9°C | 35.9°C | 24.7°C | 17 mm | 68% | 4 m/s | 5.9 |
| 1994 ❄️ | 30.1°C | 27.1°C | 24.1°C | 32.1°C | 22.1°C | 197 mm | 80% | 3.4 m/s | 5.7 |
| 1993 | 33.2°C | 29.7°C | 26.2°C | 35.0°C | 24.9°C | 59 mm | 70% | 4.4 m/s | 5.9 |
| 1992 | 31.0°C | 27.7°C | 24.4°C | 34.4°C | 22.7°C | 56 mm | 76% | 3.6 m/s | 5.4 |
| 1991 | 32.5°C | 28.6°C | 24.7°C | 35.4°C | 23.1°C | 10 mm | 71% | 4.1 m/s | 5.3 |
| 1990 | 31.3°C | 28.4°C | 25.5°C | 32.5°C | 24.3°C | 59 mm | 79% | 3.4 m/s | 5 |
| 1989 | 32.2°C | 28.8°C | 25.5°C | 35.0°C | 24.3°C | 41 mm | 74% | 3.1 m/s | 5.6 |
| 1988 | 31.7°C | 29.1°C | 26.5°C | 33.7°C | 24.9°C | 155 mm | 81% | 3 m/s | 5.8 |
| 1987 | 34.2°C | 30.0°C | 25.9°C | 38.3°C | 24.7°C | 0 mm | 67% | 4.3 m/s | 6.2 |
| 1986 | 33.6°C | 29.0°C | 24.3°C | 37.3°C | 23.3°C | 1 mm | 67% | 4.2 m/s | 6 |
| 1985 | 32.6°C | 28.6°C | 24.6°C | 35.7°C | 23.4°C | 41 mm | 70% | 3.8 m/s | 5.5 |
| 1984 | 31.7°C | 28.0°C | 24.3°C | 36.0°C | 22.9°C | 128 mm | 74% | 3.9 m/s | 5.5 |
| 1983 | 32.8°C | 29.4°C | 26.0°C | 37.5°C | 24.9°C | 32 mm | 75% | 3.2 m/s | — |
| 1982 | 33.2°C | 29.2°C | 25.3°C | 35.3°C | 23.6°C | 17 mm | 69% | 3.4 m/s | — |
| 1981 | 32.4°C | 29.2°C | 25.9°C | 36.3°C | 24.6°C | 119 mm | 77% | 2.8 m/s | — |
Actual recorded September data for each year, 1981–2025 — sourced from NASA POWER.
The average high in September is around 31.9°C with lows near 25.5°C (mean 28.7°C), based on 45 years of NASA POWER data.
September averages 98 mm of rainfall in Jamnagar, a relatively wet time of year. The wettest on record was 509 mm in 2021.
The hottest September reached 39.4°C in 2000. The coldest dipped to 22.1°C in 1994.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average September temperatures have fallen by about 0.6°C — but days and nights have moved in opposite directions. Overnight lows rose from 25.2°C to 25.9°C while daytime highs eased from 32.5°C to 30.8°C, narrowing the gap between day and night.
September is one of the warmer months of the year in Jamnagar and a relatively wet time of year, so plan for around 31.9°C daytime highs and 25.5°C at night.
Not quite — September is the 7th coolest month in Jamnagar, averaging 28.7°C.
For September in Jamnagar, pack light, breathable clothing and sun protection, with typical highs of 31.9°C and lows of 25.5°C. Bring an umbrella or light rain jacket too.
Relative humidity in September averages 76% — quite humid.
Average wind speed in September is 3.5 m/s. The windiest September on record averaged 4.4 m/s (1993).
The wettest September on record was 2021 with 509 mm. On average, September sees 98 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 Jamnagar 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.
