Frontera Weather in September
Average highs run from 30°C on September 1 to 29°C on September 30, and lows from 26°C to 26°C. Normal precipitation for the month is 285 mm over about 27 wet days.
September day by day
The normal high and low for each date, in °C.
- Normal low
- Normal high
- Reanalysis extreme high
- Reanalysis extreme low
September at a glance
- Average high
- 30°C
- Average low
- 26°C
- Precipitation
- 285 mm
- Reanalysis high
- 35°CSep 4, 2019
- Reanalysis low
- 22°CSep 10, 2011
- Daylight
- 12 h 29 min to 11 h 59 min
- Cloud cover
- 69%
- Humidity
- 85%
- Dew point
- 25°C
- Wind
- 13.7 km/h
Every day of the month
A wet day has at least 1 mm of precipitation in the reanalysis.
| Date | Normal high | Normal low | Reanalysis high | Reanalysis low | Chance wet |
|---|---|---|---|---|---|
| Sep 1 | 30°C | 26°C | 33°C 2019 | 25°C 2001 | 84% |
| Sep 2 | 30°C | 26°C | 33°C 2019 | 25°C 2011 | 84% |
| Sep 3 | 30°C | 26°C | 33°C 2019 | 25°C 1999 | 84% |
| Sep 4 | 30°C | 26°C | 35°C 2019 | 24°C 1992 | 85% |
| Sep 5 | 30°C | 26°C | 35°C 2019 | 24°C 1991 | 85% |
| Sep 6 | 30°C | 26°C | 33°C 2019 | 25°C 2006 | 85% |
| Sep 7 | 30°C | 26°C | 33°C 2019 | 23°C 2011 | 85% |
| Sep 8 | 30°C | 26°C | 33°C 2019 | 24°C 2015 | 84% |
| Sep 9 | 30°C | 26°C | 34°C 2019 | 22°C 2011 | 84% |
| Sep 10 | 30°C | 26°C | 32°C 2002 | 22°C 2011 | 84% |
| Sep 11 | 30°C | 26°C | 33°C 2015 | 24°C 2011 | 84% |
| Sep 12 | 30°C | 26°C | 34°C 2015 | 25°C 2014 | 85% |
| Sep 13 | 30°C | 26°C | 32°C 2009 | 25°C 1995 | 85% |
| Sep 14 | 30°C | 26°C | 31°C 2004 | 25°C 1991 | 86% |
| Sep 15 | 30°C | 26°C | 32°C 2004 | 24°C 1991 | 86% |
| Sep 16 | 30°C | 26°C | 33°C 1996 | 25°C 1992 | 86% |
| Sep 17 | 30°C | 26°C | 33°C 2009 | 25°C 1997 | 86% |
| Sep 18 | 30°C | 26°C | 33°C 1996 | 24°C 1997 | 87% |
| Sep 19 | 30°C | 26°C | 33°C 1996 | 25°C 1991 | 87% |
| Sep 20 | 30°C | 26°C | 33°C 1996 | 24°C 1991 | 87% |
| Sep 21 | 30°C | 26°C | 31°C 1996 | 25°C 1999 | 88% |
| Sep 22 | 30°C | 26°C | 31°C 2000 | 25°C 1991 | 88% |
| Sep 23 | 30°C | 26°C | 31°C 2017 | 25°C 2014 | 89% |
| Sep 24 | 30°C | 26°C | 32°C 2017 | 24°C 2018 | 90% |
| Sep 25 | 30°C | 26°C | 32°C 2019 | 25°C 1992 | 90% |
| Sep 26 | 30°C | 26°C | 32°C 1996 | 25°C 2012 | 88% |
| Sep 27 | 30°C | 26°C | 32°C 1996 | 25°C 2001 | 88% |
| Sep 28 | 29°C | 26°C | 32°C 2009 | 25°C 1993 | 86% |
| Sep 29 | 29°C | 26°C | 32°C 2009 | 24°C 2002 | 86% |
| Sep 30 | 29°C | 26°C | 31°C 2009 | 24°C 2001 | 85% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (CST).
- September 1
- sunrise 5:56 AM, sunset 6:25 PM
- September 30
- sunrise 6:01 AM, sunset 6:00 PM
Other months
Sources
Cloud, humidity, wind and sunshine, and temperature and precipitation: 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.