Balmorhea Weather in September
Average highs run from 90°F on September 1 to 83°F on September 30, and lows from 64°F to 56°F. Normal precipitation for the month is 2.02 in over about 4 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
- 87°F
- Average low
- 60°F
- Precipitation
- 2.02 in
- Record high
- 106°FSep 1, 2011
- Record low
- 45°FSep 23, 2009
- Chance of a freeze
- 0%
- Days of 90°F or more
- 13.1
- Daylight
- 12 h 47 min to 11 h 53 min
- Cloud cover
- 39%
- Humidity
- 51%
- Dew point
- 53°F
- Wind
- 8.9 mph
Every day of the month
A wet day has at least 0.01 inch of precipitation; snow means at least 0.1 inch of snowfall.
| Date | Normal high | Normal low | Record high | Record low | Chance wet | Chance of snow |
|---|---|---|---|---|---|---|
| Sep 1 | 90°F | 64°F | 106°F 2011 | 59°F 2012 | 13% | 0% |
| Sep 2 | 90°F | 64°F | 102°F 2011 | 60°F 2003 | 13% | 0% |
| Sep 3 | 90°F | 64°F | 104°F 2001 | 59°F 2012 | 13% | 0% |
| Sep 4 | 89°F | 64°F | 105°F 2015 | 56°F 2010 | 13% | 0% |
| Sep 5 | 89°F | 63°F | 105°F 2012 | 56°F 2010 | 13% | 0% |
| Sep 6 | 89°F | 63°F | 105°F 2012 | 57°F 2011 | 13% | 0% |
| Sep 7 | 89°F | 63°F | 105°F 2001 | 58°F 2011 | 14% | 0% |
| Sep 8 | 88°F | 63°F | 101°F 2001 | 59°F 2017 | 14% | 0% |
| Sep 9 | 88°F | 62°F | 98°F 2001 | 55°F 2011 | 14% | 0% |
| Sep 10 | 88°F | 62°F | 103°F 2012 | 56°F 2012 | 14% | 0% |
| Sep 11 | 87°F | 62°F | 98°F 2012 | 56°F 2017 | 14% | 0% |
| Sep 12 | 87°F | 61°F | 98°F 2015 | 53°F 2011 | 14% | 0% |
| Sep 13 | 87°F | 61°F | 103°F 2013 | 56°F 2003 | 14% | 0% |
| Sep 14 | 87°F | 61°F | 102°F 2011 | 53°F 2008 | 14% | 0% |
| Sep 15 | 87°F | 61°F | 104°F 2017 | 51°F 2008 | 13% | 0% |
| Sep 16 | 86°F | 60°F | 101°F 2015 | 53°F 2008 | 13% | 0% |
| Sep 17 | 86°F | 60°F | 102°F 2015 | 51°F 2012 | 13% | 0% |
| Sep 18 | 86°F | 60°F | 99°F 2015 | 60°F 2002 | 13% | 0% |
| Sep 19 | 86°F | 59°F | 101°F 2001 | 54°F 2008 | 13% | 0% |
| Sep 20 | 85°F | 59°F | 101°F 2017 | 49°F 2002 | 13% | 0% |
| Sep 21 | 85°F | 59°F | 104°F 2017 | 53°F 2013 | 13% | 0% |
| Sep 22 | 85°F | 58°F | 97°F 2017 | 52°F 2009 | 12% | 0% |
| Sep 23 | 85°F | 58°F | 95°F 2016 | 45°F 2009 | 12% | 0% |
| Sep 24 | 85°F | 58°F | 98°F 2011 | 50°F 2012 | 12% | 0% |
| Sep 25 | 84°F | 57°F | 105°F 2015 | 50°F 2009 | 12% | 0% |
| Sep 26 | 84°F | 57°F | 100°F 2011 | 47°F 2001 | 12% | 0% |
| Sep 27 | 84°F | 57°F | 102°F 2011 | 45°F 2001 | 12% | 0% |
| Sep 28 | 84°F | 56°F | 102°F 2011 | 50°F 2010 | 11% | 0% |
| Sep 29 | 84°F | 56°F | 96°F 2011 | 50°F 2013 | 11% | 0% |
| Sep 30 | 83°F | 56°F | 100°F 2009 | 50°F 2013 | 11% | 0% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (CDT).
- September 1
- sunrise 7:31 AM, sunset 8:18 PM
- September 30
- sunrise 7:48 AM, sunset 7:41 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00410498 (Balmorhea), public domain. Records: NOAA GHCN-Daily, station USC00416893, 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.