Boca Chica Weather in September
Average highs run from 32°C on September 1 to 31°C on September 30, and lows from 26°C to 25°C. Normal precipitation for the month is 66 mm over about 12 wet days.
September day by day
The normal high and low for each date, and the record, in °C.
- Normal low
- Normal high
- Record high
- Record low
September at a glance
- Average high
- 32°C
- Average low
- 26°C
- Precipitation
- 66 mm
- Record high
- 38°CSep 6, 2022
- Record low
- 18°CSep 20, 1993
- Daylight
- 12 h 29 min to 11 h 59 min
- Cloud cover
- 55%
- Humidity
- 76%
- Dew point
- 23°C
- Wind
- 13.3 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 | Record high | Record low | Chance wet |
|---|---|---|---|---|---|
| Sep 1 | 32°C | 26°C | 36°C 2015 | 21°C 1975 | 36% |
| Sep 2 | 32°C | 26°C | 36°C 2015 | 21°C 1975 | 34% |
| Sep 3 | 32°C | 26°C | 35°C 2015 | 20°C 2002 | 35% |
| Sep 4 | 32°C | 26°C | 35°C 2022 | 20°C 1977 | 35% |
| Sep 5 | 32°C | 26°C | 36°C 2022 | 20°C 1977 | 35% |
| Sep 6 | 32°C | 26°C | 38°C 2022 | 21°C 1993 | 35% |
| Sep 7 | 32°C | 26°C | 36°C 2022 | 20°C 1984 | 36% |
| Sep 8 | 32°C | 26°C | 35°C 1997 | 21°C 2014 | 37% |
| Sep 9 | 32°C | 26°C | 35°C 2015 | 22°C 1977 | 39% |
| Sep 10 | 32°C | 26°C | 36°C 2023 | 21°C 2011 | 38% |
| Sep 11 | 32°C | 26°C | 37°C 2023 | 21°C 2011 | 38% |
| Sep 12 | 32°C | 26°C | 37°C 2023 | 20°C 1991 | 37% |
| Sep 13 | 32°C | 26°C | 35°C 1949 | 22°C 1951 | 38% |
| Sep 14 | 32°C | 26°C | 37°C 1947 | 21°C 1979 | 37% |
| Sep 15 | 32°C | 26°C | 37°C 2022 | 21°C 1984 | 38% |
| Sep 16 | 32°C | 26°C | 36°C 2015 | 20°C 1991 | 38% |
| Sep 17 | 32°C | 26°C | 36°C 2024 | 20°C 1979 | 39% |
| Sep 18 | 32°C | 26°C | 36°C 2022 | 21°C 1975 | 38% |
| Sep 19 | 32°C | 26°C | 36°C 2020 | 21°C 1975 | 39% |
| Sep 20 | 32°C | 26°C | 36°C 2020 | 18°C 1993 | 39% |
| Sep 21 | 32°C | 26°C | 35°C 2005 | 21°C 1993 | 40% |
| Sep 22 | 32°C | 25°C | 35°C 2020 | 21°C 2011 | 40% |
| Sep 23 | 32°C | 25°C | 35°C 2023 | 20°C 1989 | 40% |
| Sep 24 | 32°C | 25°C | 35°C 1946 | 19°C 1987 | 38% |
| Sep 25 | 32°C | 25°C | 36°C 1946 | 21°C 1984 | 39% |
| Sep 26 | 31°C | 25°C | 35°C 2020 | 19°C 2002 | 39% |
| Sep 27 | 31°C | 25°C | 36°C 2020 | 19°C 2002 | 39% |
| Sep 28 | 31°C | 25°C | 36°C 2023 | 20°C 1989 | 40% |
| Sep 29 | 31°C | 25°C | 35°C 2016 | 19°C 1993 | 41% |
| Sep 30 | 31°C | 25°C | 35°C 2023 | 19°C 2002 | 40% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (AST).
- September 1
- sunrise 6:24 AM, sunset 6:53 PM
- September 30
- sunrise 6:29 AM, sunset 6:28 PM
Other months
Sources
Records: NOAA GHCN-Daily, station DRM00078486, every year on file, quality-flagged values removed. 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 2026-09-25. Sun and moon: computed with the NOAA solar equations and Meeus.