Big Wells Weather in September
Average highs run from 97°F on September 1 to 89°F on September 30, and lows from 75°F to 68°F. Normal precipitation for the month is 2.43 in over about 6 wet days.
September day by day
The normal high and low for each date, and the record, in °F.
- Normal low
- Normal high
- Record high
- Record low
September at a glance
- Average high
- 93°F
- Average low
- 72°F
- Precipitation
- 2.43 in
- Record high
- 111°FSep 6, 2000
- Record low
- 44°FSep 27, 1942
- Chance of a freeze
- 0%
- Days of 90°F or more
- 23.9
- Daylight
- 12 h 42 min to 11 h 54 min
- Cloud cover
- 46%
- Humidity
- 65%
- Dew point
- 67°F
- Wind
- 8.5 mph
Every day of the month
A wet day has at least 0.01 inch of precipitation.
| Date | Normal high | Normal low | Record high | Record low | Chance wet |
|---|---|---|---|---|---|
| Sep 1 | 97°F | 75°F | 106°F 1954 | 63°F 1950 | 18% |
| Sep 2 | 97°F | 74°F | 107°F 1952 | 65°F 1944 | 18% |
| Sep 3 | 96°F | 74°F | 106°F 1985 | 65°F 1987 | 19% |
| Sep 4 | 96°F | 74°F | 107°F 2000 | 65°F 1953 | 19% |
| Sep 5 | 96°F | 74°F | 109°F 2000 | 61°F 1952 | 19% |
| Sep 6 | 95°F | 74°F | 111°F 2000 | 58°F 1952 | 19% |
| Sep 7 | 95°F | 74°F | 108°F 2000 | 58°F 2017 | 19% |
| Sep 8 | 95°F | 73°F | 103°F 2012 | 57°F 2017 | 19% |
| Sep 9 | 95°F | 73°F | 104°F 1963 | 55°F 1957 | 19% |
| Sep 10 | 94°F | 73°F | 103°F 1977 | 56°F 2012 | 19% |
| Sep 11 | 94°F | 73°F | 106°F 1950 | 56°F 2012 | 19% |
| Sep 12 | 94°F | 72°F | 105°F 1982 | 58°F 2017 | 19% |
| Sep 13 | 93°F | 72°F | 105°F 2026 | 58°F 1960 | 19% |
| Sep 14 | 93°F | 72°F | 104°F 2017 | 57°F 1945 | 18% |
| Sep 15 | 93°F | 72°F | 106°F 2017 | 57°F 1945 | 18% |
| Sep 16 | 93°F | 72°F | 103°F 2026 | 59°F 1945 | 18% |
| Sep 17 | 92°F | 71°F | 103°F 1950 | 56°F 1951 | 18% |
| Sep 18 | 92°F | 71°F | 103°F 1980 | 52°F 1981 | 18% |
| Sep 19 | 92°F | 71°F | 104°F 2019 | 51°F 1981 | 18% |
| Sep 20 | 92°F | 71°F | 102°F 1912 | 53°F 1981 | 17% |
| Sep 21 | 91°F | 70°F | 104°F 2021 | 55°F 1981 | 17% |
| Sep 22 | 91°F | 70°F | 106°F 1947 | 51°F 1983 | 17% |
| Sep 23 | 91°F | 70°F | 103°F 1977 | 48°F 2021 | 17% |
| Sep 24 | 91°F | 70°F | 103°F 1912 | 49°F 2021 | 17% |
| Sep 25 | 90°F | 69°F | 104°F 2023 | 52°F 1947 | 16% |
| Sep 26 | 90°F | 69°F | 108°F 2005 | 51°F 2000 | 16% |
| Sep 27 | 90°F | 69°F | 108°F 2005 | 44°F 1942 | 16% |
| Sep 28 | 90°F | 69°F | 106°F 1977 | 45°F 1942 | 16% |
| Sep 29 | 90°F | 68°F | 106°F 2005 | 48°F 1942 | 16% |
| Sep 30 | 89°F | 68°F | 103°F 1938 | 46°F 1945 | 16% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (CDT).
- September 1
- sunrise 7:17 AM, sunset 7:59 PM
- September 30
- sunrise 7:31 AM, sunset 7:25 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00412160 (Crystal City), public domain. Records: NOAA GHCN-Daily, station USC00411486, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.