San José de los Cerrillos Weather in September
Average highs run from 21°C on September 1 to 23°C on September 30, and lows from 5°C to 7°C. Normal precipitation for the month is 6 mm over about 3 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
- 22°C
- Average low
- 5°C
- Precipitation
- 6 mm
- Record high
- 38°CSep 6, 1993
- Record low
- -4°CSep 2, 2005
- Daylight
- 11 h 37 min to 12 h 18 min
- Cloud cover
- 43%
- Humidity
- 45%
- Dew point
- -1°C
- Wind
- 13.0 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 | Record high | Record low | Chance wet |
|---|---|---|---|---|---|
| Sep 1 | 21°C | 5°C | 35°C 2015 | -3°C 1972 | 4% |
| Sep 2 | 21°C | 5°C | 34°C 1969 | -4°C 2005 | 4% |
| Sep 3 | 22°C | 5°C | 34°C 2017 | -4°C 1966 | 3% |
| Sep 4 | 21°C | 5°C | 35°C 2011 | -2°C 1966 | 4% |
| Sep 5 | 21°C | 5°C | 35°C 2003 | -2°C 2006 | 4% |
| Sep 6 | 21°C | 5°C | 38°C 1993 | -2°C 2008 | 4% |
| Sep 7 | 21°C | 5°C | 38°C 1997 | -2°C 2008 | 4% |
| Sep 8 | 21°C | 5°C | 37°C 1997 | -2°C 1957 | 3% |
| Sep 9 | 21°C | 5°C | 35°C 1977 | -3°C 1983 | 3% |
| Sep 10 | 21°C | 5°C | 36°C 2000 | -3°C 2003 | 3% |
| Sep 11 | 22°C | 5°C | 35°C 2007 | -2°C 2003 | 3% |
| Sep 12 | 22°C | 5°C | 35°C 1985 | 0°C 2009 | 3% |
| Sep 13 | 22°C | 5°C | 36°C 1961 | 1°C 2023 | 3% |
| Sep 14 | 22°C | 5°C | 36°C 1971 | -3°C 1976 | 4% |
| Sep 15 | 22°C | 5°C | 34°C 1969 | -3°C 1981 | 4% |
| Sep 16 | 22°C | 5°C | 36°C 2015 | -1°C 1956 | 4% |
| Sep 17 | 22°C | 5°C | 37°C 2023 | -1°C 1980 | 5% |
| Sep 18 | 22°C | 5°C | 36°C 2023 | -1°C 1980 | 6% |
| Sep 19 | 22°C | 6°C | 37°C 2003 | 0°C 1965 | 5% |
| Sep 20 | 22°C | 6°C | 37°C 1994 | -1°C 1995 | 5% |
| Sep 21 | 22°C | 6°C | 35°C 1992 | -1°C 1966 | 6% |
| Sep 22 | 22°C | 6°C | 35°C 2003 | 0°C 1995 | 7% |
| Sep 23 | 22°C | 6°C | 36°C 2024 | 3°C 1987 | 7% |
| Sep 24 | 23°C | 6°C | 38°C 2018 | 0°C 1990 | 7% |
| Sep 25 | 23°C | 6°C | 35°C 1968 | 0°C 2000 | 7% |
| Sep 26 | 23°C | 6°C | 37°C 1983 | 2°C 1974 | 8% |
| Sep 27 | 23°C | 6°C | 34°C 1977 | 1°C 2007 | 9% |
| Sep 28 | 23°C | 7°C | 36°C 1976 | 3°C 1984 | 9% |
| Sep 29 | 23°C | 7°C | 34°C 1966 | 2°C 1961 | 9% |
| Sep 30 | 23°C | 7°C | 37°C 1966 | 2°C 1981 | 9% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT-3).
- September 1
- sunrise 7:34 AM, sunset 7:11 PM
- September 30
- sunrise 7:03 AM, sunset 7:21 PM
Other months
Sources
Records: NOAA GHCN-Daily, station AR000870470, 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 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.