San Pedro Weather in September
Average highs run from 13°C on September 1 to 14°C on September 30, and lows from 2°C to 4°C. Normal precipitation for the month is 30 mm over about 8 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
- 13°C
- Average low
- 3°C
- Precipitation
- 30 mm
- Reanalysis high
- 19°CSep 12, 2016
- Reanalysis low
- -2°CSep 4, 2018
- Daylight
- 11 h 47 min to 12 h 13 min
- Cloud cover
- 67%
- Humidity
- 73%
- Dew point
- 2°C
- Wind
- 14.0 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 | 13°C | 2°C | 16°C 2006 | -1°C 1996 | 17% |
| Sep 2 | 13°C | 2°C | 16°C 2008 | -2°C 2013 | 18% |
| Sep 3 | 13°C | 2°C | 17°C 2005 | -1°C 1996 | 19% |
| Sep 4 | 13°C | 2°C | 16°C 2005 | -2°C 2018 | 21% |
| Sep 5 | 13°C | 3°C | 18°C 2009 | 0°C 2018 | 22% |
| Sep 6 | 13°C | 3°C | 18°C 2009 | -1°C 2009 | 23% |
| Sep 7 | 13°C | 3°C | 18°C 2009 | 0°C 1996 | 22% |
| Sep 8 | 13°C | 3°C | 18°C 1997 | -2°C 1996 | 23% |
| Sep 9 | 13°C | 3°C | 16°C 2015 | 0°C 1994 | 23% |
| Sep 10 | 13°C | 3°C | 18°C 1998 | 0°C 1994 | 23% |
| Sep 11 | 13°C | 3°C | 18°C 1998 | 0°C 1994 | 23% |
| Sep 12 | 13°C | 3°C | 19°C 2016 | 0°C 2004 | 24% |
| Sep 13 | 13°C | 3°C | 17°C 2016 | 0°C 2004 | 23% |
| Sep 14 | 13°C | 3°C | 17°C 2016 | 0°C 2003 | 23% |
| Sep 15 | 13°C | 3°C | 17°C 2010 | 0°C 2004 | 24% |
| Sep 16 | 13°C | 3°C | 16°C 2013 | 1°C 1996 | 24% |
| Sep 17 | 13°C | 3°C | 17°C 1998 | -1°C 1992 | 24% |
| Sep 18 | 13°C | 3°C | 16°C 1995 | 1°C 2011 | 26% |
| Sep 19 | 13°C | 3°C | 17°C 2018 | 1°C 2012 | 27% |
| Sep 20 | 14°C | 3°C | 18°C 2012 | 1°C 1991 | 26% |
| Sep 21 | 14°C | 3°C | 18°C 2006 | 1°C 2016 | 26% |
| Sep 22 | 14°C | 3°C | 17°C 2002 | 1°C 2008 | 27% |
| Sep 23 | 14°C | 4°C | 16°C 1993 | 1°C 2011 | 27% |
| Sep 24 | 14°C | 4°C | 17°C 1994 | 0°C 2000 | 28% |
| Sep 25 | 14°C | 4°C | 17°C 2005 | 0°C 1996 | 29% |
| Sep 26 | 14°C | 4°C | 18°C 2010 | 1°C 2002 | 30% |
| Sep 27 | 14°C | 4°C | 18°C 2010 | 0°C 1994 | 30% |
| Sep 28 | 14°C | 4°C | 18°C 2010 | 1°C 2005 | 31% |
| Sep 29 | 14°C | 4°C | 17°C 2010 | 1°C 1996 | 33% |
| Sep 30 | 14°C | 4°C | 17°C 1991 | 1°C 1996 | 33% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT-4).
- September 1
- sunrise 6:42 AM, sunset 6:29 PM
- September 30
- sunrise 6:19 AM, sunset 6:32 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 2026-10-03. Sun and moon: computed with the NOAA solar equations and Meeus.