Villa Mercedes Weather in September
Average highs run from 20°C on September 1 to 23°C on September 30, and lows from 6°C to 8°C. Normal precipitation for the month is 30 mm over about 4 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
- 7°C
- Precipitation
- 30 mm
- Record high
- 37°CSep 13, 1980
- Record low
- -11°CSep 3, 2019
- Daylight
- 11 h 24 min to 12 h 24 min
- Cloud cover
- 50%
- Humidity
- 54%
- Dew point
- 3°C
- Wind
- 16.9 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 | 20°C | 6°C | 24°C 2022 | -8°C 1988 | 9% |
| Sep 2 | 20°C | 6°C | 30°C 2012 | -9°C 1974 | 10% |
| Sep 3 | 20°C | 6°C | 28°C 1980 | -11°C 2019 | 11% |
| Sep 4 | 20°C | 6°C | 31°C 2003 | -11°C 2019 | 11% |
| Sep 5 | 20°C | 6°C | 31°C 2004 | -9°C 2016 | 11% |
| Sep 6 | 20°C | 6°C | 35°C 1995 | -9°C 2016 | 12% |
| Sep 7 | 20°C | 6°C | 32°C 2013 | -6°C 2016 | 11% |
| Sep 8 | 21°C | 6°C | 30°C 2010 | -6°C 1993 | 10% |
| Sep 9 | 21°C | 6°C | 32°C 2014 | -8°C 2003 | 10% |
| Sep 10 | 21°C | 6°C | 36°C 2013 | -4°C 1975 | 11% |
| Sep 11 | 21°C | 6°C | 33°C 2013 | -7°C 2015 | 11% |
| Sep 12 | 21°C | 6°C | 33°C 1980 | -7°C 2005 | 11% |
| Sep 13 | 21°C | 6°C | 37°C 1980 | -5°C 1990 | 10% |
| Sep 14 | 22°C | 6°C | 34°C 1996 | -5°C 1989 | 11% |
| Sep 15 | 22°C | 7°C | 31°C 2012 | -5°C 2005 | 11% |
| Sep 16 | 22°C | 7°C | 34°C 2011 | -8°C 1980 | 12% |
| Sep 17 | 22°C | 7°C | 30°C 1992 | -3°C 1979 | 12% |
| Sep 18 | 22°C | 7°C | 32°C 2004 | -5°C 2013 | 12% |
| Sep 19 | 22°C | 7°C | 34°C 2024 | -7°C 1987 | 13% |
| Sep 20 | 22°C | 7°C | 33°C 2017 | -5°C 1995 | 13% |
| Sep 21 | 22°C | 7°C | 31°C 2005 | -2°C 1981 | 13% |
| Sep 22 | 23°C | 7°C | 35°C 2024 | -2°C 2013 | 14% |
| Sep 23 | 23°C | 8°C | 34°C 2018 | -2°C 1990 | 15% |
| Sep 24 | 23°C | 8°C | 30°C 2004 | -8°C 2013 | 16% |
| Sep 25 | 23°C | 8°C | 35°C 2020 | -5°C 1992 | 16% |
| Sep 26 | 23°C | 8°C | 34°C 1983 | -4°C 2024 | 17% |
| Sep 27 | 23°C | 8°C | 35°C 2019 | -5°C 2023 | 18% |
| Sep 28 | 23°C | 8°C | 35°C 2011 | -6°C 2009 | 19% |
| Sep 29 | 23°C | 8°C | 33°C 2011 | -4°C 1981 | 20% |
| Sep 30 | 23°C | 8°C | 37°C 2019 | -4°C 2005 | 20% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT-3).
- September 1
- sunrise 7:40 AM, sunset 7:04 PM
- September 30
- sunrise 7:00 AM, sunset 7:24 PM
Other months
Sources
Records: NOAA GHCN-Daily, station ARM00087448, 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 2026-09-26. Sun and moon: computed with the NOAA solar equations and Meeus.