September is one of the warmer months of the year in Kingman, with average highs near 30.5°C and lows around 16°C (mean 23.3°C). It is about average for rainfall, averaging 22 mm of rainfall and 35% relative humidity across the period.
September is one of the warmer months of the year in Kingman. Across 45 years of records, the warmest September in Kingman was 2024 — when the month averaged 26°C — while the coldest was 1986 at 19.1°C. Typical September days reach 30.5°C with nights near 16°C. The long-term trend is warming, about 0.5°C per decade.
September is about average for rainfall in Kingman, averaging 22 mm of rainfall. The wettest September on record was 1997 with 68 mm, while the driest were 1993 and 2020 at 0 mm.
Relative humidity in Kingman during September averages 35%. The most humid September was 2013 at 48%, and the least humid was 2020 at 19%.
September receives about 6 kWh/m²/day of solar energy in Kingman. The sunniest September was 2010 at 6.6 kWh/m²/day, and the cloudiest were 1990 and 2011 at 5.5.
Average wind speed in Kingman during September is 2.4 m/s. The windiest September was 1986 at 2.9 m/s, while the calmest was 2012 at 1.9 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 22.0°C | 23.1°C | 23.5°C | 23.6°C | 24.8°C | +2.8°C |
| Avg High | 29.2°C | 30.2°C | 31.1°C | 30.8°C | 32.0°C | +2.8°C |
| Avg Low | 14.8°C | 16.0°C | 15.9°C | 16.4°C | 17.5°C | +2.7°C |
| Avg Rain | 23 mm | 26 mm | 16 mm | 27 mm | 19 mm | -3 mm |
September temperatures in Kingman have risen by about 2.3°C between 1981–1985 and 2021–2025.
September has ranged from a record low of 3.9°C (1982) to a record high of 40.7°C (2020).
Rainfall in September is about average for rainfall, averaging 22 mm, with a wettest year of 68 mm.
One of the best times to visit Kingman
September is one of the best times to visit Kingman. Expect days averaging 30.5°C and nights around 16°C (mean 23.3°C) — warmer than Kingman's yearly average — with low rainfall (22 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 | 30.1°C | 23.4°C | 16.6°C | 36.5°C | 11.6°C | 43 mm | 44% | 2.4 m/s | 5.6 |
| 2024 🔥 | 33.7°C | 26.0°C | 18.2°C | 38.8°C | 9.8°C | 4 mm | 25% | 2.4 m/s | 6.2 |
| 2023 | 30.4°C | 23.2°C | 16.1°C | 36.8°C | 11.2°C | 26 mm | 38% | 2.5 m/s | 5.8 |
| 2022 | 31.7°C | 25.0°C | 18.4°C | 39.0°C | 13.6°C | 30 mm | 44% | 2.1 m/s | 5.6 |
| 2021 | 31.9°C | 25.0°C | 18.1°C | 38.9°C | 10.3°C | 12 mm | 35% | 2.2 m/s | 5.9 |
| 2020 | 33.9°C | 25.9°C | 17.8°C | 40.7°C | 9.1°C | 0 mm | 19% | 2.3 m/s | 6.3 |
| 2019 | 30.3°C | 23.2°C | 16.1°C | 37.2°C | 8.2°C | 19 mm | 35% | 2.7 m/s | 6.1 |
| 2018 | 32.7°C | 25.3°C | 17.9°C | 36.5°C | 14.9°C | 8 mm | 28% | 2.5 m/s | 6.2 |
| 2017 | 29.1°C | 22.2°C | 15.3°C | 36.6°C | 5.0°C | 30 mm | 40% | 2.4 m/s | 6 |
| 2016 | 28.8°C | 21.7°C | 14.5°C | 34.5°C | 7.1°C | 34 mm | 39% | 2.7 m/s | 5.9 |
| 2015 | 31.8°C | 24.7°C | 17.7°C | 36.5°C | 13.2°C | 14 mm | 41% | 2.6 m/s | 5.9 |
| 2014 | 30.5°C | 23.5°C | 16.6°C | 35.2°C | 8.3°C | 60 mm | 45% | 2.2 m/s | 5.9 |
| 2013 | 28.0°C | 21.3°C | 14.6°C | 34.1°C | 4.8°C | 45 mm | 48% | 2.3 m/s | 5.7 |
| 2012 | 31.4°C | 24.5°C | 17.6°C | 35.1°C | 13.6°C | 20 mm | 38% | 1.9 m/s | 5.8 |
| 2011 | 31.7°C | 24.2°C | 16.8°C | 37.4°C | 12.5°C | 32 mm | 35% | 2 m/s | 5.5 |
| 2010 | 33.4°C | 25.0°C | 16.6°C | 37.9°C | 12.2°C | 3 mm | 21% | 2.4 m/s | 6.6 |
| 2009 | 31.8°C | 24.4°C | 16.9°C | 35.6°C | 9.2°C | 14 mm | 30% | 2.5 m/s | 6 |
| 2008 | 31.5°C | 24.0°C | 16.4°C | 36.0°C | 12.2°C | 10 mm | 30% | 2.1 m/s | 6 |
| 2007 | 29.8°C | 22.6°C | 15.4°C | 36.8°C | 5.7°C | 26 mm | 37% | 2.7 m/s | 6.1 |
| 2006 | 29.1°C | 21.7°C | 14.3°C | 35.2°C | 6.4°C | 31 mm | 35% | 2.4 m/s | 6.1 |
| 2005 | 30.5°C | 22.7°C | 14.9°C | 34.5°C | 11.4°C | 1 mm | 29% | 2.6 m/s | 6.3 |
| 2004 | 30.3°C | 22.6°C | 15.0°C | 37.1°C | 6.8°C | 22 mm | 31% | 2.8 m/s | 6.3 |
| 2003 | 32.3°C | 24.6°C | 16.9°C | 35.8°C | 11.1°C | 16 mm | 32% | 2.3 m/s | 6.3 |
| 2002 | 30.6°C | 23.5°C | 16.3°C | 36.6°C | 9.5°C | 35 mm | 34% | 2.5 m/s | 5.6 |
| 2001 | 33.3°C | 25.4°C | 17.5°C | 36.3°C | 12.1°C | 6 mm | 25% | 2.5 m/s | 6.3 |
| 2000 | 31.5°C | 23.4°C | 15.2°C | 36.9°C | 6.4°C | 1 mm | 29% | 2.8 m/s | 6.4 |
| 1999 | 30.2°C | 22.9°C | 15.6°C | 35.9°C | 6.8°C | 41 mm | 39% | 2.2 m/s | 5.9 |
| 1998 | 29.5°C | 22.3°C | 15.1°C | 34.0°C | 9.4°C | 34 mm | 43% | 2.7 m/s | 5.7 |
| 1997 🌧️ | 30.3°C | 23.6°C | 16.9°C | 34.7°C | 12.2°C | 68 mm | 47% | 2.5 m/s | 5.6 |
| 1996 | 28.8°C | 21.7°C | 14.6°C | 34.8°C | 7.9°C | 14 mm | 36% | 2.5 m/s | 5.8 |
| 1995 | 31.4°C | 24.3°C | 17.1°C | 37.6°C | 6.8°C | 16 mm | 32% | 2.4 m/s | 6.1 |
| 1994 | 30.9°C | 24.0°C | 17.2°C | 35.0°C | 11.1°C | 10 mm | 32% | 2.3 m/s | 5.7 |
| 1993 | 30.7°C | 22.7°C | 14.7°C | 36.0°C | 8.7°C | 0 mm | 24% | 2.3 m/s | 6.4 |
| 1992 | 31.5°C | 24.0°C | 16.5°C | 34.8°C | 12.4°C | 3 mm | 29% | 2.3 m/s | 6.3 |
| 1991 | 29.5°C | 22.8°C | 16.0°C | 35.6°C | 11.1°C | 32 mm | 41% | 2 m/s | 5.8 |
| 1990 | 29.3°C | 22.8°C | 16.4°C | 37.2°C | 10.5°C | 44 mm | 45% | 2 m/s | 5.5 |
| 1989 | 30.9°C | 22.9°C | 15.0°C | 35.6°C | 6.8°C | 3 mm | 24% | 2.8 m/s | 6.1 |
| 1988 | 29.7°C | 21.7°C | 13.7°C | 35.2°C | 7.7°C | 1 mm | 31% | 2.3 m/s | 6.1 |
| 1987 | 30.4°C | 23.1°C | 15.8°C | 34.0°C | 11.3°C | 14 mm | 28% | 2.1 m/s | 5.8 |
| 1986 ❄️ | 26.1°C | 19.1°C | 12.0°C | 35.6°C | 4.0°C | 26 mm | 35% | 2.9 m/s | 5.7 |
| 1985 | 26.8°C | 19.7°C | 12.6°C | 32.8°C | 6.9°C | 16 mm | 36% | 2.8 m/s | 5.9 |
| 1984 | 30.6°C | 23.4°C | 16.2°C | 35.9°C | 10.6°C | 16 mm | 41% | 2.2 m/s | 5.7 |
| 1983 | 29.8°C | 23.5°C | 17.2°C | 35.1°C | 10.5°C | 50 mm | 48% | 2.4 m/s | — |
| 1982 | 28.2°C | 21.2°C | 14.3°C | 37.2°C | 3.9°C | 33 mm | 47% | 2.6 m/s | — |
| 1981 | 29.9°C | 23.0°C | 16.1°C | 33.6°C | 11.7°C | 45 mm | 41% | 2.2 m/s | — |
Actual recorded September data for each year, 1981–2025 — sourced from NASA POWER.
The average high in September is around 30.5°C with lows near 16°C (mean 23.3°C), based on 45 years of NASA POWER data.
September averages 22 mm of rainfall in Kingman, about average for rainfall. The wettest on record was 68 mm in 1997.
The hottest September reached 40.7°C in 2020. The coldest dipped to 3.9°C in 1982.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average September temperatures have risen by about 2.3°C. Daytime highs moved from 29.1°C to 31.6°C and overnight lows from 15.3°C to 17.5°C over the same span.
September is one of the warmer months of the year in Kingman and about average for rainfall, so plan for around 30.5°C daytime highs and 16°C at night.
Not quite — September is the 9th coolest month in Kingman, averaging 23.3°C.
For September in Kingman, pack light, breathable clothing and sun protection, with typical highs of 30.5°C and lows of 16°C.
Relative humidity in September averages 35% — relatively dry.
Average wind speed in September is 2.4 m/s. The windiest September on record averaged 2.9 m/s (1986).
The wettest September on record was 1997 with 68 mm. On average, September sees 22 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 Kingman 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.
