September is one of the warmer months of the year in Bikaner, with average highs near 37.9°C and lows around 25.8°C (mean 31.9°C). It is about average for rainfall, averaging 34 mm of rainfall and 44% relative humidity across the period.
September is one of the warmer months of the year in Bikaner. Across 45 years of records, the warmest September in Bikaner was 1999 — when the month averaged 34.2°C — while the coldest was 1992 at 29.3°C. Typical September days reach 37.9°C with nights near 25.8°C. The long-term September temperature trend is broadly flat.
September is about average for rainfall in Bikaner, averaging 34 mm of rainfall. The wettest September on record was 1984 with 122 mm, while the driest were 1982 and 1987 at 0 mm.
Relative humidity in Bikaner during September averages 44%. The most humid September was 2011 at 63%, and the least humid was 1987 at 29%.
September receives about 5.9 kWh/m²/day of solar energy in Bikaner. The sunniest September was 2016 at 6.4 kWh/m²/day, and the cloudiest was 2021 at 5.1.
Average wind speed in Bikaner during September is 2.5 m/s. The windiest September was 2014 at 3.3 m/s, while the calmest was 1983 at 1.8 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 31.9°C | 31.9°C | 32.6°C | 30.9°C | 31.7°C | -0.2°C |
| Avg High | 38.3°C | 38.0°C | 38.8°C | 36.9°C | 37.1°C | -1.2°C |
| Avg Low | 25.6°C | 25.8°C | 26.4°C | 25.0°C | 26.3°C | +0.7°C |
| Avg Rain | 32 mm | 29 mm | 25 mm | 44 mm | 44 mm | +12 mm |
September temperatures in Bikaner have risen by about 0.3°C between 1981–1985 and 2021–2025.
September has ranged from a record low of 19.6°C (1994) to a record high of 43.4°C (2019).
Rainfall in September is about average for rainfall, averaging 34 mm, with a wettest year of 122 mm.
Daytime highs and overnight lows have shifted differently — highs fell about 0.3°C per decade while lows rose 0.1°C per decade, narrowing the gap between day and night.
A good time to visit Bikaner
September is a good time to visit Bikaner, with days averaging 37.9°C and nights around 25.8°C (mean 31.9°C, warmer than Bikaner's yearly average) and moderate rainfall. November and March 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 | 36.1°C | 30.7°C | 25.3°C | 39.2°C | 23.5°C | 40 mm | 58% | 2.8 m/s | 5.8 |
| 2024 | 37.8°C | 32.5°C | 27.2°C | 41.5°C | 24.3°C | 42 mm | 55% | 1.9 m/s | 5.6 |
| 2023 | 38.2°C | 32.4°C | 26.6°C | 41.1°C | 24.6°C | 29 mm | 49% | 2.4 m/s | 5.8 |
| 2022 | 37.5°C | 31.6°C | 25.8°C | 40.0°C | 23.5°C | 5 mm | 54% | 2.5 m/s | 6 |
| 2021 | 35.4°C | 31.2°C | 26.9°C | 40.0°C | 24.5°C | 107 mm | 62% | 2.8 m/s | 5.1 |
| 2020 | 37.5°C | 31.8°C | 26.1°C | 40.3°C | 22.3°C | 43 mm | 51% | 1.9 m/s | 5.7 |
| 2019 | 38.6°C | 33.0°C | 27.5°C | 43.4°C | 25.1°C | 13 mm | 52% | 2.1 m/s | 5.6 |
| 2018 | 36.7°C | 30.7°C | 24.7°C | 39.1°C | 22.7°C | 4 mm | 45% | 2.7 m/s | 5.7 |
| 2017 | 38.2°C | 31.7°C | 25.3°C | 40.6°C | 22.9°C | 11 mm | 41% | 2 m/s | 6 |
| 2016 | 37.9°C | 31.2°C | 24.4°C | 41.2°C | 22.9°C | 2 mm | 46% | 2.4 m/s | 6.4 |
| 2015 | 37.4°C | 30.8°C | 24.1°C | 40.3°C | 20.0°C | 22 mm | 43% | 2.4 m/s | 6.1 |
| 2014 | 36.9°C | 30.8°C | 24.7°C | 38.9°C | 22.7°C | 77 mm | 51% | 3.3 m/s | 6 |
| 2013 | 37.8°C | 31.7°C | 25.6°C | 41.5°C | 23.7°C | 14 mm | 48% | 2.8 m/s | 6.1 |
| 2012 | 35.2°C | 29.6°C | 24.1°C | 37.4°C | 20.5°C | 84 mm | 58% | 2.6 m/s | 5.6 |
| 2011 | 34.7°C | 29.7°C | 24.8°C | 36.9°C | 21.6°C | 116 mm | 63% | 2.8 m/s | 5.7 |
| 2010 | 36.0°C | 30.2°C | 24.4°C | 38.7°C | 20.4°C | 95 mm | 53% | 2 m/s | 5.6 |
| 2009 | 39.6°C | 32.5°C | 25.5°C | 42.2°C | 23.6°C | 11 mm | 38% | 2.6 m/s | 6.3 |
| 2008 | 38.0°C | 31.7°C | 25.4°C | 40.9°C | 21.8°C | 6 mm | 45% | 2.5 m/s | 6.1 |
| 2007 | 38.6°C | 33.2°C | 27.7°C | 41.6°C | 22.9°C | 50 mm | 41% | 2.1 m/s | 5.7 |
| 2006 | 38.0°C | 31.8°C | 25.7°C | 41.6°C | 23.7°C | 53 mm | 47% | 2.5 m/s | 5.9 |
| 2005 | 37.7°C | 32.0°C | 26.3°C | 43.3°C | 23.2°C | 66 mm | 47% | 2.6 m/s | 5.8 |
| 2004 | 39.2°C | 33.1°C | 27.0°C | 41.8°C | 25.2°C | 10 mm | 37% | 2.5 m/s | 6 |
| 2003 | 38.2°C | 32.5°C | 26.7°C | 40.3°C | 23.3°C | 35 mm | 43% | 2.2 m/s | 6 |
| 2002 | 39.4°C | 33.0°C | 26.6°C | 41.8°C | 24.5°C | 6 mm | 29% | 2.2 m/s | 5.7 |
| 2001 | 39.4°C | 32.8°C | 26.3°C | 41.2°C | 23.3°C | 7 mm | 31% | 2.3 m/s | 6.3 |
| 2000 | 39.7°C | 33.3°C | 26.9°C | 41.9°C | 24.1°C | 2 mm | 30% | 2.7 m/s | 6.3 |
| 1999 🔥 | 40.5°C | 34.2°C | 27.8°C | 41.9°C | 26.2°C | 11 mm | 32% | 2.2 m/s | 6.1 |
| 1998 | 37.7°C | 32.3°C | 27.0°C | 41.3°C | 24.5°C | 53 mm | 48% | 2.5 m/s | 5.7 |
| 1997 | 38.5°C | 32.3°C | 26.2°C | 40.7°C | 23.9°C | 16 mm | 43% | 3.2 m/s | 6.1 |
| 1996 | 38.4°C | 32.2°C | 25.9°C | 41.1°C | 23.0°C | 10 mm | 40% | 2.5 m/s | 6.1 |
| 1995 | 38.7°C | 31.7°C | 24.6°C | 40.2°C | 22.8°C | 17 mm | 38% | 2.3 m/s | 6.2 |
| 1994 | 35.2°C | 29.6°C | 24.1°C | 38.1°C | 19.6°C | 42 mm | 51% | 2.5 m/s | 6.1 |
| 1993 | 38.6°C | 32.4°C | 26.2°C | 40.8°C | 24.4°C | 42 mm | 42% | 1.9 m/s | 6 |
| 1992 ❄️ | 35.4°C | 29.3°C | 23.3°C | 38.2°C | 20.4°C | 83 mm | 53% | 2.8 m/s | 5.7 |
| 1991 | 38.4°C | 32.2°C | 26.0°C | 40.6°C | 22.5°C | 3 mm | 35% | 3.2 m/s | 6.2 |
| 1990 | 38.2°C | 32.5°C | 26.8°C | 40.5°C | 25.1°C | 14 mm | 46% | 2.9 m/s | 5.8 |
| 1989 | 38.8°C | 32.3°C | 25.8°C | 39.9°C | 21.6°C | 14 mm | 36% | 2.7 m/s | 6.3 |
| 1988 | 38.7°C | 32.7°C | 26.7°C | 42.2°C | 20.9°C | 42 mm | 46% | 2.8 m/s | 5.9 |
| 1987 | 40.5°C | 33.8°C | 27.1°C | 42.1°C | 24.6°C | 0 mm | 29% | 2.8 m/s | 6.1 |
| 1986 | 38.4°C | 31.6°C | 24.8°C | 40.3°C | 22.9°C | 6 mm | 34% | 2.5 m/s | 6.1 |
| 1985 | 38.9°C | 32.1°C | 25.4°C | 40.6°C | 23.8°C | 1 mm | 34% | 2.5 m/s | 6.1 |
| 1984 🌧️ | 36.0°C | 30.3°C | 24.6°C | 39.2°C | 21.4°C | 122 mm | 45% | 2.1 m/s | 6.1 |
| 1983 | 37.6°C | 31.7°C | 25.8°C | 40.6°C | 23.2°C | 40 mm | 45% | 1.8 m/s | — |
| 1982 | 38.4°C | 31.3°C | 24.3°C | 40.4°C | 20.7°C | 0 mm | 36% | 2.7 m/s | — |
| 1981 | 37.6°C | 31.6°C | 25.7°C | 40.3°C | 23.8°C | 65 mm | 49% | 2.3 m/s | — |
Actual recorded September data for each year, 1981–2025 — sourced from NASA POWER.
The average high in September is around 37.9°C with lows near 25.8°C (mean 31.9°C), based on 45 years of NASA POWER data.
September averages 34 mm of rainfall in Bikaner, about average for rainfall. The wettest on record was 122 mm in 1984.
The hottest September reached 43.4°C in 2019. The coldest dipped to 19.6°C in 1994.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average September temperatures have risen by about 0.3°C — but days and nights have moved in opposite directions. Overnight lows rose from 25.2°C to 26.4°C while daytime highs eased from 37.7°C to 37°C, narrowing the gap between day and night.
September is one of the warmer months of the year in Bikaner and about average for rainfall, so plan for around 37.9°C daytime highs and 25.8°C at night.
Not quite — September is the 8th coolest month in Bikaner, averaging 31.9°C.
For September in Bikaner, pack light, breathable clothing and sun protection, with typical highs of 37.9°C and lows of 25.8°C.
Relative humidity in September averages 44% — relatively dry.
Average wind speed in September is 2.5 m/s. The windiest September on record averaged 3.3 m/s (2014).
The wettest September on record was 1984 with 122 mm. On average, September sees 34 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 Bikaner 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.
