September is one of the warmer months of the year in Wichita Falls, with average highs near 31.6°C and lows around 19°C (mean 25.3°C). It is about average for rainfall, averaging 75 mm of rainfall and 58% relative humidity across the period.
September is one of the warmer months of the year in Wichita Falls. Across 45 years of records, the warmest September in Wichita Falls was 1998 — when the month averaged 29.6°C — while the coldest was 1991 at 21.9°C. Typical September days reach 31.6°C with nights near 19°C. The long-term trend is warming, about 0.5°C per decade.
September is about average for rainfall in Wichita Falls, averaging 75 mm of rainfall. The wettest September on record was 2018 with 188 mm, while the driest was 2022 at 11 mm.
Relative humidity in Wichita Falls during September averages 58%. The most humid September was 2018 at 75%, and the least humid was 2000 at 36%.
September receives about 5.3 kWh/m²/day of solar energy in Wichita Falls. The sunniest September was 2022 at 6 kWh/m²/day, and the cloudiest was 2018 at 4.3.
Average wind speed in Wichita Falls during September is 2.8 m/s. The windiest September was 1985 at 3.6 m/s, while the calmest was 1990 at 2.2 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 24.6°C | 24.8°C | 24.9°C | 26.0°C | 26.5°C | +1.9°C |
| Avg High | 31.0°C | 31.0°C | 31.4°C | 32.0°C | 33.0°C | +2°C |
| Avg Low | 18.3°C | 18.5°C | 18.3°C | 20.1°C | 19.9°C | +1.6°C |
| Avg Rain | 89 mm | 80 mm | 59 mm | 91 mm | 49 mm | -40 mm |
September temperatures in Wichita Falls have risen by about 1.8°C between 1981–1985 and 2021–2025.
September has ranged from a record low of 3.3°C (1989) to a record high of 44.5°C (2000).
Rainfall in September is about average for rainfall, averaging 75 mm, with a wettest year of 188 mm.
One of the best times to visit Wichita Falls
September is one of the best times to visit Wichita Falls. Expect days averaging 31.6°C and nights around 19°C (mean 25.3°C) — warmer than Wichita Falls's yearly average — with moderate rainfall (75 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 | 32.5°C | 26.2°C | 19.8°C | 36.1°C | 15.2°C | 42 mm | 57% | 2.3 m/s | 5.7 |
| 2024 | 32.7°C | 26.1°C | 19.4°C | 38.8°C | 14.9°C | 52 mm | 56% | 2.3 m/s | 5.5 |
| 2023 | 35.5°C | 28.9°C | 22.3°C | 44.4°C | 18.2°C | 52 mm | 52% | 2.7 m/s | 5.5 |
| 2022 | 34.7°C | 27.7°C | 20.6°C | 37.7°C | 15.2°C | 11 mm | 48% | 2.7 m/s | 6 |
| 2021 | 34.1°C | 27.2°C | 20.4°C | 38.9°C | 13.1°C | 24 mm | 51% | 2.8 m/s | 5.7 |
| 2020 | 28.4°C | 22.7°C | 17.0°C | 34.9°C | 8.9°C | 112 mm | 72% | 2.4 m/s | 4.9 |
| 2019 | 34.0°C | 28.6°C | 23.3°C | 38.0°C | 21.7°C | 72 mm | 61% | 2.9 m/s | 5.6 |
| 2018 🌧️ | 29.3°C | 24.5°C | 19.8°C | 36.9°C | 9.5°C | 188 mm | 75% | 2.6 m/s | 4.3 |
| 2017 | 31.5°C | 25.5°C | 19.4°C | 38.4°C | 13.7°C | 122 mm | 59% | 2.8 m/s | 5.2 |
| 2016 | 30.1°C | 25.0°C | 19.9°C | 35.7°C | 9.8°C | 133 mm | 71% | 2.7 m/s | 5.5 |
| 2015 | 33.1°C | 27.1°C | 21.1°C | 38.4°C | 17.2°C | 26 mm | 57% | 2.9 m/s | 5.6 |
| 2014 | 31.4°C | 25.8°C | 20.2°C | 38.7°C | 11.1°C | 41 mm | 60% | 2.7 m/s | 5 |
| 2013 | 33.3°C | 26.9°C | 20.5°C | 41.6°C | 10.8°C | 60 mm | 52% | 2.7 m/s | 5.3 |
| 2012 | 32.6°C | 25.8°C | 19.1°C | 42.2°C | 13.4°C | 97 mm | 52% | 2.8 m/s | 5.2 |
| 2011 | 33.2°C | 25.6°C | 18.0°C | 42.1°C | 12.3°C | 38 mm | 40% | 2.9 m/s | 5.7 |
| 2010 | 31.3°C | 25.5°C | 19.7°C | 35.3°C | 9.3°C | 132 mm | 67% | 3 m/s | 5.5 |
| 2009 | 29.2°C | 23.6°C | 18.0°C | 38.4°C | 9.8°C | 117 mm | 65% | 2.8 m/s | 4.4 |
| 2008 | 30.3°C | 23.8°C | 17.3°C | 36.4°C | 10.8°C | 52 mm | 60% | 2.6 m/s | 5.5 |
| 2007 | 30.4°C | 25.0°C | 19.5°C | 34.8°C | 14.4°C | 67 mm | 70% | 2.7 m/s | 5.2 |
| 2006 | 29.9°C | 23.2°C | 16.4°C | 35.9°C | 11.1°C | 79 mm | 54% | 2.8 m/s | 5.4 |
| 2005 | 33.8°C | 26.9°C | 19.9°C | 38.0°C | 14.0°C | 63 mm | 54% | 2.6 m/s | 5.8 |
| 2004 | 31.9°C | 25.6°C | 19.3°C | 38.1°C | 13.4°C | 41 mm | 54% | 3 m/s | 5.5 |
| 2003 | 29.8°C | 23.5°C | 17.3°C | 34.4°C | 10.9°C | 43 mm | 59% | 3 m/s | 4.9 |
| 2002 | 32.5°C | 25.6°C | 18.6°C | 38.4°C | 11.5°C | 52 mm | 53% | 2.7 m/s | 5.5 |
| 2001 | 30.4°C | 23.9°C | 17.4°C | 37.0°C | 8.6°C | 68 mm | 61% | 2.6 m/s | 5.5 |
| 2000 | 35.3°C | 27.4°C | 19.5°C | 44.5°C | 7.2°C | 12 mm | 36% | 3.2 m/s | 5.9 |
| 1999 | 32.0°C | 25.3°C | 18.6°C | 38.1°C | 9.4°C | 44 mm | 48% | 3.1 m/s | 5.5 |
| 1998 🔥 | 36.3°C | 29.6°C | 22.9°C | 42.8°C | 17.8°C | 27 mm | 50% | 2.9 m/s | 5.4 |
| 1997 | 33.9°C | 27.1°C | 20.4°C | 40.0°C | 13.0°C | 45 mm | 52% | 3 m/s | 5.3 |
| 1996 | 28.2°C | 22.4°C | 16.6°C | 33.0°C | 6.8°C | 133 mm | 70% | 2.4 m/s | 4.9 |
| 1995 | 29.4°C | 23.7°C | 17.9°C | 41.0°C | 5.4°C | 122 mm | 65% | 2.7 m/s | 4.5 |
| 1994 | 30.7°C | 24.0°C | 17.4°C | 36.7°C | 7.9°C | 53 mm | 57% | 2.8 m/s | 5.2 |
| 1993 | 30.4°C | 23.6°C | 16.8°C | 34.6°C | 7.4°C | 94 mm | 60% | 3 m/s | 5.4 |
| 1992 | 30.4°C | 24.1°C | 17.7°C | 34.1°C | 10.3°C | 48 mm | 63% | 2.9 m/s | 5.4 |
| 1991 ❄️ | 27.0°C | 21.9°C | 16.8°C | 33.3°C | 7.4°C | 152 mm | 73% | 2.5 m/s | 4.4 |
| 1990 | 31.9°C | 26.1°C | 20.2°C | 39.3°C | 10.4°C | 75 mm | 60% | 2.2 m/s | 5 |
| 1989 | 28.7°C | 22.0°C | 15.3°C | 39.8°C | 3.3°C | 148 mm | 61% | 2.7 m/s | 5.6 |
| 1988 | 31.1°C | 24.3°C | 17.6°C | 37.8°C | 9.0°C | 168 mm | 60% | 2.6 m/s | 5.1 |
| 1987 | 30.1°C | 23.4°C | 16.7°C | 34.4°C | 10.7°C | 83 mm | 62% | 2.3 m/s | 5.4 |
| 1986 | 29.8°C | 25.0°C | 20.1°C | 34.7°C | 11.9°C | 180 mm | 73% | 3.3 m/s | 4.6 |
| 1985 | 31.1°C | 25.2°C | 19.4°C | 39.9°C | 3.6°C | 75 mm | 55% | 3.6 m/s | 5.3 |
| 1984 | 31.1°C | 24.4°C | 17.7°C | 39.7°C | 3.6°C | 42 mm | 47% | 3.4 m/s | 5 |
| 1983 | 33.7°C | 26.8°C | 19.9°C | 39.2°C | 6.4°C | 12 mm | 47% | 3.4 m/s | — |
| 1982 | 31.5°C | 25.0°C | 18.5°C | 38.0°C | 9.8°C | 50 mm | 54% | 3 m/s | — |
| 1981 | 31.6°C | 25.4°C | 19.3°C | 36.3°C | 9.3°C | 41 mm | 56% | 2.8 m/s | — |
Actual recorded September data for each year, 1981–2025 — sourced from NASA POWER.
The average high in September is around 31.6°C with lows near 19°C (mean 25.3°C), based on 45 years of NASA POWER data.
September averages 75 mm of rainfall in Wichita Falls, about average for rainfall. The wettest on record was 188 mm in 2018.
The hottest September reached 44.5°C in 2000. The coldest dipped to 3.3°C in 1989.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average September temperatures have risen by about 1.8°C. Daytime highs moved from 31.8°C to 33.9°C and overnight lows from 19°C to 20.5°C over the same span.
September is one of the warmer months of the year in Wichita Falls and about average for rainfall, so plan for around 31.6°C daytime highs and 19°C at night.
Not quite — September is the 9th coolest month in Wichita Falls, averaging 25.3°C.
For September in Wichita Falls, pack light, breathable clothing and sun protection, with typical highs of 31.6°C and lows of 19°C. Bring an umbrella or light rain jacket too.
Relative humidity in September averages 58% — moderately humid.
Average wind speed in September is 2.8 m/s. The windiest September on record averaged 3.6 m/s (1985).
The wettest September on record was 2018 with 188 mm. On average, September sees 75 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 Wichita Falls 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.
