September is one of the warmer months of the year in Enid, with average highs near 30°C and lows around 17°C (mean 23.5°C). It is about average for rainfall, averaging 65 mm of rainfall and 59% relative humidity across the period.
September is one of the warmer months of the year in Enid. Across 45 years of records, the warmest September in Enid was 1998 — when the month averaged 27.8°C — while the coldest was 1989 at 19.3°C. Typical September days reach 30°C with nights near 17°C. The long-term trend is warming, about 0.5°C per decade.
September is about average for rainfall in Enid, averaging 65 mm of rainfall. The wettest September on record was 2008 with 179 mm, while the driest was 2000 at 4 mm.
Relative humidity in Enid during September averages 59%. The most humid September was 2019 at 73%, and the least humid was 2000 at 38%.
September receives about 5.1 kWh/m²/day of solar energy in Enid. The sunniest Septembers were 2000 and 2004 at 5.7 kWh/m²/day, and the cloudiest were 1986 and 2018 at 4.3.
Average wind speed in Enid during September is 3.3 m/s. The windiest September was 1985 at 4.1 m/s, while the calmest was 2025 at 2.4 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 22.8°C | 22.8°C | 23.2°C | 24.4°C | 24.8°C | +2°C |
| Avg High | 29.2°C | 29.1°C | 29.9°C | 30.7°C | 31.8°C | +2.6°C |
| Avg Low | 16.4°C | 16.4°C | 16.4°C | 18.1°C | 17.9°C | +1.5°C |
| Avg Rain | 85 mm | 73 mm | 56 mm | 65 mm | 35 mm | -50 mm |
September temperatures in Enid have risen by about 2.1°C between 1981–1985 and 2021–2025.
September has ranged from a record low of 0.9°C (1985) to a record high of 43.6°C (2000).
Rainfall in September is about average for rainfall, averaging 65 mm, with a wettest year of 179 mm.
One of the best times to visit Enid
September is one of the best times to visit Enid. Expect days averaging 30°C and nights around 17°C (mean 23.5°C) — warmer than Enid's yearly average — with moderate rainfall (65 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 | 29.9°C | 23.8°C | 17.7°C | 34.7°C | 12.9°C | 37 mm | 67% | 2.4 m/s | 5 |
| 2024 | 32.6°C | 25.2°C | 17.8°C | 39.7°C | 11.9°C | 23 mm | 50% | 2.7 m/s | 5.6 |
| 2023 | 32.8°C | 25.9°C | 18.9°C | 40.5°C | 15.4°C | 46 mm | 55% | 3 m/s | 5.2 |
| 2022 | 33.6°C | 26.1°C | 18.6°C | 38.8°C | 13.2°C | 12 mm | 47% | 3.1 m/s | 5.6 |
| 2021 | 33.5°C | 26.3°C | 19.1°C | 38.2°C | 11.5°C | 37 mm | 51% | 3.5 m/s | 5.6 |
| 2020 | 28.3°C | 21.8°C | 15.3°C | 36.1°C | 7.5°C | 55 mm | 68% | 3 m/s | 4.8 |
| 2019 | 31.6°C | 26.1°C | 20.6°C | 35.7°C | 15.5°C | 104 mm | 73% | 3.4 m/s | 5.3 |
| 2018 | 29.1°C | 23.6°C | 18.1°C | 36.5°C | 8.0°C | 71 mm | 72% | 3.1 m/s | 4.3 |
| 2017 | 30.2°C | 23.8°C | 17.5°C | 36.9°C | 12.2°C | 80 mm | 60% | 3.2 m/s | 4.9 |
| 2016 | 29.8°C | 24.0°C | 18.2°C | 36.1°C | 9.1°C | 92 mm | 68% | 3.4 m/s | 5.2 |
| 2015 | 31.4°C | 25.3°C | 19.2°C | 39.2°C | 14.2°C | 66 mm | 62% | 3.5 m/s | 5.2 |
| 2014 | 30.8°C | 24.2°C | 17.7°C | 37.5°C | 7.9°C | 36 mm | 57% | 3.6 m/s | 5.1 |
| 2013 | 31.8°C | 25.0°C | 18.3°C | 39.4°C | 9.3°C | 60 mm | 55% | 3.2 m/s | 5.3 |
| 2012 | 31.3°C | 24.4°C | 17.5°C | 41.8°C | 11.3°C | 51 mm | 51% | 3 m/s | 5 |
| 2011 | 30.0°C | 22.8°C | 15.5°C | 41.6°C | 10.1°C | 41 mm | 44% | 3.1 m/s | 5.5 |
| 2010 | 31.2°C | 24.9°C | 18.6°C | 37.8°C | 8.5°C | 49 mm | 61% | 3.8 m/s | 5.3 |
| 2009 | 27.9°C | 21.9°C | 15.9°C | 37.0°C | 8.5°C | 48 mm | 66% | 3 m/s | 4.4 |
| 2008 🌧️ | 27.4°C | 21.1°C | 14.9°C | 33.2°C | 8.4°C | 179 mm | 70% | 3 m/s | 4.8 |
| 2007 | 29.1°C | 23.3°C | 17.5°C | 33.8°C | 10.5°C | 73 mm | 71% | 3.4 m/s | 4.9 |
| 2006 | 28.9°C | 22.0°C | 15.2°C | 34.3°C | 9.7°C | 20 mm | 50% | 3.3 m/s | 5.3 |
| 2005 | 32.3°C | 25.4°C | 18.4°C | 36.4°C | 8.9°C | 35 mm | 57% | 3.4 m/s | 5.5 |
| 2004 | 31.4°C | 24.4°C | 17.3°C | 37.8°C | 12.8°C | 36 mm | 52% | 3.4 m/s | 5.7 |
| 2003 | 27.6°C | 21.2°C | 14.8°C | 34.5°C | 7.4°C | 49 mm | 60% | 3.4 m/s | 4.8 |
| 2002 | 31.3°C | 24.3°C | 17.3°C | 38.4°C | 10.4°C | 40 mm | 53% | 3.2 m/s | 5.5 |
| 2001 | 29.1°C | 22.4°C | 15.8°C | 35.4°C | 6.5°C | 71 mm | 60% | 2.9 m/s | 5.3 |
| 2000 | 33.7°C | 25.5°C | 17.3°C | 43.6°C | 4.2°C | 4 mm | 38% | 3.9 m/s | 5.7 |
| 1999 | 27.6°C | 21.3°C | 15.1°C | 36.2°C | 6.9°C | 80 mm | 61% | 3.1 m/s | 4.6 |
| 1998 🔥 | 34.6°C | 27.8°C | 21.1°C | 41.4°C | 14.7°C | 39 mm | 52% | 3.2 m/s | 5.3 |
| 1997 | 29.7°C | 23.5°C | 17.3°C | 36.4°C | 11.3°C | 134 mm | 66% | 3.1 m/s | 4.9 |
| 1996 | 26.7°C | 20.8°C | 14.9°C | 34.1°C | 4.8°C | 164 mm | 69% | 2.8 m/s | 4.5 |
| 1995 | 27.7°C | 21.7°C | 15.6°C | 40.3°C | 1.8°C | 77 mm | 65% | 2.9 m/s | 4.4 |
| 1994 | 29.6°C | 22.7°C | 15.8°C | 35.8°C | 6.8°C | 29 mm | 56% | 3.3 m/s | 5.1 |
| 1993 | 27.9°C | 20.9°C | 13.9°C | 33.8°C | 7.0°C | 51 mm | 62% | 3.6 m/s | 4.9 |
| 1992 | 29.2°C | 22.6°C | 15.9°C | 35.1°C | 7.4°C | 27 mm | 62% | 3.6 m/s | 5.3 |
| 1991 | 27.0°C | 21.4°C | 15.7°C | 33.8°C | 5.8°C | 55 mm | 64% | 3.2 m/s | 4.6 |
| 1990 | 31.4°C | 24.9°C | 18.4°C | 40.4°C | 7.9°C | 78 mm | 56% | 2.5 m/s | 4.9 |
| 1989 ❄️ | 25.5°C | 19.3°C | 13.1°C | 34.1°C | 2.4°C | 95 mm | 68% | 3.1 m/s | 4.9 |
| 1988 | 30.1°C | 23.2°C | 16.2°C | 39.2°C | 8.9°C | 80 mm | 56% | 3.4 m/s | 5 |
| 1987 | 27.6°C | 21.5°C | 15.3°C | 33.2°C | 8.6°C | 133 mm | 68% | 2.6 m/s | 5.2 |
| 1986 | 29.3°C | 23.9°C | 18.5°C | 33.5°C | 11.7°C | 139 mm | 70% | 3.9 m/s | 4.3 |
| 1985 | 29.3°C | 23.1°C | 16.9°C | 40.3°C | 0.9°C | 122 mm | 60% | 4.1 m/s | 4.7 |
| 1984 | 29.9°C | 22.9°C | 16.0°C | 40.3°C | 2.1°C | 14 mm | 44% | 3.9 m/s | 4.8 |
| 1983 | 30.7°C | 24.1°C | 17.5°C | 38.8°C | 4.1°C | 99 mm | 55% | 3.8 m/s | — |
| 1982 | 30.6°C | 24.0°C | 17.4°C | 38.8°C | 7.6°C | 16 mm | 52% | 3.7 m/s | — |
| 1981 | 29.9°C | 23.1°C | 16.4°C | 35.6°C | 6.9°C | 70 mm | 59% | 3.1 m/s | — |
Actual recorded September data for each year, 1981–2025 — sourced from NASA POWER.
The average high in September is around 30°C with lows near 17°C (mean 23.5°C), based on 45 years of NASA POWER data.
September averages 65 mm of rainfall in Enid, about average for rainfall. The wettest on record was 179 mm in 2008.
The hottest September reached 43.6°C in 2000. The coldest dipped to 0.9°C in 1985.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average September temperatures have risen by about 2.1°C. Daytime highs moved from 30.1°C to 32.5°C and overnight lows from 16.8°C to 18.4°C over the same span.
September is one of the warmer months of the year in Enid and about average for rainfall, so plan for around 30°C daytime highs and 17°C at night.
Not quite — September is the 9th coolest month in Enid, averaging 23.5°C.
For September in Enid, pack light, breathable clothing and sun protection, with typical highs of 30°C and lows of 17°C. Bring an umbrella or light rain jacket too.
Relative humidity in September averages 59% — moderately humid.
Average wind speed in September is 3.3 m/s. The windiest September on record averaged 4.1 m/s (1985).
The wettest September on record was 2008 with 179 mm. On average, September sees 65 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 Enid 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.
