September is one of the warmer months of the year in Crestview, with average highs near 30.8°C and lows around 19.8°C (mean 25.3°C). It is about average for rainfall, averaging 120 mm of rainfall and 76% relative humidity across the period.
September is one of the warmer months of the year in Crestview. Across 45 years of records, the warmest September in Crestview was 2019 — when the month averaged 29.1°C — while the coldest was 1983 at 22.5°C. Typical September days reach 30.8°C with nights near 19.8°C. The long-term trend is warming, about 0.5°C per decade.
September is about average for rainfall in Crestview, averaging 120 mm of rainfall. The wettest September on record was 1998 with 562 mm, while the driest was 2019 at 4 mm.
Relative humidity in Crestview during September averages 76%. The most humid September was 1988 at 86%, and the least humid was 1990 at 61%.
September receives about 5.1 kWh/m²/day of solar energy in Crestview. The sunniest September was 2019 at 6 kWh/m²/day, and the cloudiest were 1988 and 1998 at 3.9.
Average wind speed in Crestview during September is 1 m/s. The windiest September was 2004 at 1.6 m/s, while the calmest were 2016, 2018 and 2021, among others at 0.8 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 24.4°C | 25.1°C | 25.1°C | 26.1°C | 25.8°C | +1.4°C |
| Avg High | 29.8°C | 30.7°C | 30.3°C | 31.7°C | 31.5°C | +1.7°C |
| Avg Low | 18.9°C | 19.6°C | 19.8°C | 20.4°C | 20.2°C | +1.3°C |
| Avg Rain | 122 mm | 129 mm | 113 mm | 109 mm | 128 mm | +6 mm |
September temperatures in Crestview have risen by about 2.2°C between 1981–1985 and 2021–2025.
September has ranged from a record low of 7.9°C (1983) to a record high of 39.9°C (2019).
Rainfall in September is about average for rainfall, averaging 120 mm, with a wettest year of 562 mm.
One of the best times to visit Crestview
September is one of the best times to visit Crestview. Expect days averaging 30.8°C and nights around 19.8°C (mean 25.3°C) — warmer than Crestview's yearly average — with higher rainfall (120 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 | 34.0°C | 26.9°C | 19.9°C | 37.4°C | 17.2°C | 42 mm | 64% | 0.9 m/s | 5.8 |
| 2024 | 30.9°C | 26.1°C | 21.3°C | 39.1°C | 17.6°C | 204 mm | 79% | 1.1 m/s | 4.4 |
| 2023 | 33.5°C | 27.2°C | 20.9°C | 37.7°C | 15.6°C | 62 mm | 68% | 0.9 m/s | 5.1 |
| 2022 | 31.3°C | 25.4°C | 19.4°C | 36.8°C | 10.5°C | 63 mm | 72% | 0.9 m/s | 5.5 |
| 2021 | 29.8°C | 24.8°C | 19.8°C | 32.9°C | 10.9°C | 106 mm | 82% | 0.8 m/s | 4.8 |
| 2020 | 29.2°C | 24.6°C | 20.0°C | 36.0°C | 10.2°C | 290 mm | 82% | 1.3 m/s | 4.4 |
| 2019 🔥 | 36.2°C | 29.1°C | 22.0°C | 39.9°C | 18.9°C | 4 mm | 62% | 1 m/s | 6 |
| 2018 | 31.9°C | 27.2°C | 22.5°C | 35.1°C | 21.0°C | 153 mm | 82% | 0.8 m/s | 5 |
| 2017 | 29.3°C | 24.2°C | 19.0°C | 32.9°C | 12.8°C | 92 mm | 80% | 1 m/s | 5.3 |
| 2016 | 32.0°C | 26.6°C | 21.2°C | 35.8°C | 12.6°C | 92 mm | 76% | 0.8 m/s | 5.3 |
| 2015 | 31.1°C | 25.5°C | 19.9°C | 36.0°C | 12.4°C | 193 mm | 74% | 1 m/s | 5 |
| 2014 | 32.2°C | 26.6°C | 21.0°C | 36.0°C | 14.7°C | 76 mm | 76% | 0.8 m/s | 4.8 |
| 2013 | 30.2°C | 25.3°C | 20.4°C | 33.1°C | 14.4°C | 121 mm | 83% | 0.8 m/s | 5.2 |
| 2012 | 29.0°C | 24.1°C | 19.2°C | 33.7°C | 11.5°C | 177 mm | 82% | 0.9 m/s | 5.2 |
| 2011 | 30.6°C | 24.6°C | 18.5°C | 34.5°C | 12.5°C | 132 mm | 74% | 1 m/s | 4.9 |
| 2010 | 34.3°C | 27.5°C | 20.6°C | 38.2°C | 12.9°C | 53 mm | 65% | 0.9 m/s | 5.9 |
| 2009 | 29.3°C | 25.1°C | 20.8°C | 33.7°C | 11.6°C | 143 mm | 85% | 0.9 m/s | 4.7 |
| 2008 | 30.7°C | 25.1°C | 19.6°C | 33.2°C | 10.9°C | 29 mm | 76% | 1.2 m/s | 5.4 |
| 2007 | 32.0°C | 26.1°C | 20.3°C | 35.7°C | 14.0°C | 102 mm | 72% | 1.1 m/s | 5.3 |
| 2006 | 30.7°C | 24.8°C | 18.8°C | 35.1°C | 10.8°C | 71 mm | 72% | 0.9 m/s | 5.1 |
| 2005 | 31.9°C | 26.2°C | 20.5°C | 36.3°C | 16.1°C | 72 mm | 75% | 1.1 m/s | 5.5 |
| 2004 | 29.6°C | 24.8°C | 19.9°C | 34.1°C | 15.5°C | 177 mm | 79% | 1.6 m/s | 5 |
| 2003 | 28.1°C | 23.4°C | 18.6°C | 31.9°C | 8.8°C | 106 mm | 83% | 0.9 m/s | 5.3 |
| 2002 | 31.4°C | 26.8°C | 22.3°C | 37.7°C | 18.6°C | 199 mm | 79% | 1.2 m/s | 4.6 |
| 2001 | 29.1°C | 23.5°C | 17.9°C | 32.5°C | 8.2°C | 88 mm | 76% | 0.9 m/s | 5.4 |
| 2000 | 30.4°C | 24.9°C | 19.4°C | 35.1°C | 11.0°C | 142 mm | 75% | 1.2 m/s | 4.9 |
| 1999 | 31.7°C | 24.8°C | 17.9°C | 35.8°C | 9.3°C | 47 mm | 65% | 1.1 m/s | 5.5 |
| 1998 🌧️ | 28.9°C | 25.0°C | 21.0°C | 33.0°C | 15.6°C | 562 mm | 85% | 1.3 m/s | 3.9 |
| 1997 | 32.9°C | 26.3°C | 19.8°C | 36.7°C | 15.1°C | 70 mm | 70% | 0.8 m/s | 5.6 |
| 1996 | 29.2°C | 24.0°C | 18.8°C | 33.0°C | 13.3°C | 153 mm | 82% | 0.9 m/s | 5.1 |
| 1995 | 32.7°C | 26.3°C | 19.8°C | 35.3°C | 15.0°C | 46 mm | 70% | 1 m/s | 5.4 |
| 1994 | 28.5°C | 23.7°C | 19.0°C | 31.7°C | 11.9°C | 101 mm | 84% | 0.9 m/s | 5.1 |
| 1993 | 30.8°C | 25.4°C | 19.9°C | 35.0°C | 9.3°C | 131 mm | 76% | 0.8 m/s | 4.9 |
| 1992 | 28.7°C | 24.4°C | 20.2°C | 32.3°C | 14.1°C | 100 mm | 84% | 0.9 m/s | 4.4 |
| 1991 | 29.4°C | 24.2°C | 19.1°C | 34.3°C | 10.2°C | 52 mm | 81% | 0.9 m/s | 5.4 |
| 1990 | 34.4°C | 27.3°C | 20.3°C | 37.9°C | 10.7°C | 28 mm | 61% | 0.9 m/s | 5.4 |
| 1989 | 29.3°C | 24.1°C | 18.9°C | 32.9°C | 13.6°C | 166 mm | 80% | 1.1 m/s | 4.8 |
| 1988 | 29.0°C | 24.8°C | 20.6°C | 33.2°C | 14.3°C | 295 mm | 86% | 1 m/s | 3.9 |
| 1987 | 29.6°C | 24.4°C | 19.2°C | 33.5°C | 12.1°C | 109 mm | 78% | 0.9 m/s | 4.9 |
| 1986 | 32.0°C | 26.6°C | 21.1°C | 35.7°C | 16.8°C | 110 mm | 77% | 0.8 m/s | 5.1 |
| 1985 | 29.5°C | 24.1°C | 18.7°C | 33.8°C | 9.4°C | 109 mm | 77% | 1.1 m/s | 5.3 |
| 1984 | 31.0°C | 24.7°C | 18.4°C | 34.7°C | 12.6°C | 24 mm | 71% | 1 m/s | 5.4 |
| 1983 ❄️ | 27.6°C | 22.5°C | 17.5°C | 32.8°C | 7.9°C | 157 mm | 81% | 0.9 m/s | — |
| 1982 | 28.9°C | 23.6°C | 18.3°C | 33.1°C | 8.9°C | 71 mm | 77% | 0.8 m/s | — |
| 1981 | 31.1°C | 24.4°C | 17.6°C | 34.6°C | 8.2°C | 59 mm | 67% | 0.8 m/s | — |
Actual recorded September data for each year, 1981–2025 — sourced from NASA POWER.
The average high in September is around 30.8°C with lows near 19.8°C (mean 25.3°C), based on 45 years of NASA POWER data.
September averages 120 mm of rainfall in Crestview, about average for rainfall. The wettest on record was 562 mm in 1998.
The hottest September reached 39.9°C in 2019. The coldest dipped to 7.9°C in 1983.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average September temperatures have risen by about 2.2°C. Daytime highs moved from 29.6°C to 31.9°C and overnight lows from 18.1°C to 20.3°C over the same span.
September is one of the warmer months of the year in Crestview and about average for rainfall, so plan for around 30.8°C daytime highs and 19.8°C at night.
Not quite — September is the 9th coolest month in Crestview, averaging 25.3°C.
For September in Crestview, pack light, breathable clothing and sun protection, with typical highs of 30.8°C and lows of 19.8°C. Bring an umbrella or light rain jacket too.
Relative humidity in September averages 76% — quite humid.
Average wind speed in September is 1 m/s. The windiest September on record averaged 1.6 m/s (2004).
The wettest September on record was 1998 with 562 mm. On average, September sees 120 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 Crestview 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.
