Santa Rosalía Weather in September
Average highs run from 34°C on September 1 to 33°C on September 30, and lows from 26°C to 23°C. Normal precipitation for the month is 40 mm over about 4 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
- 34°C
- Average low
- 25°C
- Precipitation
- 40 mm
- Reanalysis high
- 38°CSep 26, 2002
- Reanalysis low
- 17°CSep 18, 1993
- Daylight
- 12 h 41 min to 11 h 55 min
- Cloud cover
- 25%
- Humidity
- 56%
- Dew point
- 19°C
- Wind
- 11.5 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 | 34°C | 26°C | 37°C 2014 | 20°C 1992 | 21% |
| Sep 2 | 34°C | 26°C | 37°C 2010 | 21°C 1992 | 21% |
| Sep 3 | 34°C | 26°C | 37°C 2010 | 22°C 1992 | 20% |
| Sep 4 | 34°C | 26°C | 37°C 2002 | 23°C 1992 | 19% |
| Sep 5 | 34°C | 26°C | 38°C 2020 | 23°C 1992 | 17% |
| Sep 6 | 34°C | 26°C | 37°C 2001 | 23°C 1992 | 16% |
| Sep 7 | 34°C | 26°C | 37°C 2020 | 21°C 2016 | 17% |
| Sep 8 | 34°C | 26°C | 37°C 2011 | 21°C 2010 | 17% |
| Sep 9 | 34°C | 26°C | 37°C 2011 | 19°C 2001 | 15% |
| Sep 10 | 34°C | 26°C | 37°C 1994 | 21°C 2010 | 14% |
| Sep 11 | 34°C | 25°C | 36°C 2018 | 20°C 2008 | 13% |
| Sep 12 | 34°C | 25°C | 37°C 2011 | 18°C 2008 | 12% |
| Sep 13 | 34°C | 25°C | 38°C 2000 | 19°C 1991 | 11% |
| Sep 14 | 34°C | 25°C | 37°C 1999 | 18°C 1993 | 11% |
| Sep 15 | 34°C | 25°C | 37°C 2018 | 19°C 1996 | 11% |
| Sep 16 | 34°C | 25°C | 37°C 2013 | 19°C 1993 | 11% |
| Sep 17 | 34°C | 25°C | 37°C 2018 | 18°C 1993 | 10% |
| Sep 18 | 34°C | 25°C | 36°C 1998 | 17°C 1993 | 9% |
| Sep 19 | 34°C | 25°C | 37°C 2010 | 21°C 1993 | 9% |
| Sep 20 | 34°C | 25°C | 37°C 2011 | 20°C 2013 | 10% |
| Sep 21 | 34°C | 24°C | 36°C 2005 | 19°C 1993 | 10% |
| Sep 22 | 34°C | 24°C | 37°C 2005 | 20°C 2013 | 9% |
| Sep 23 | 34°C | 24°C | 37°C 2005 | 19°C 2017 | 9% |
| Sep 24 | 33°C | 24°C | 38°C 2011 | 18°C 1998 | 9% |
| Sep 25 | 33°C | 24°C | 37°C 2002 | 19°C 1998 | 9% |
| Sep 26 | 33°C | 24°C | 38°C 2002 | 19°C 1998 | 9% |
| Sep 27 | 33°C | 24°C | 36°C 2002 | 17°C 2013 | 9% |
| Sep 28 | 33°C | 24°C | 37°C 2009 | 19°C 1999 | 8% |
| Sep 29 | 33°C | 24°C | 37°C 2020 | 19°C 2007 | 7% |
| Sep 30 | 33°C | 23°C | 37°C 1994 | 19°C 2019 | 7% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT-7).
- September 1
- sunrise 6:08 AM, sunset 6:49 PM
- September 30
- sunrise 6:21 AM, sunset 6:16 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 2026-09-27. Sun and moon: computed with the NOAA solar equations and Meeus.