Salto Weather in September
Average highs run from 21°C on September 1 to 23°C on September 30, and lows from 9°C to 11°C. Normal precipitation for the month is 87 mm over about 9 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
- 10°C
- Precipitation
- 87 mm
- Record high
- 37°CSep 12, 2013
- Record low
- -1°CSep 8, 1958
- Daylight
- 11 h 28 min to 12 h 22 min
- Cloud cover
- 53%
- Humidity
- 76%
- Dew point
- 11°C
- Wind
- 16.2 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 | 9°C | 30°C 2004 | 0°C 2000 | 25% |
| Sep 2 | 21°C | 9°C | 31°C 2004 | 0°C 1974 | 25% |
| Sep 3 | 21°C | 9°C | 30°C 2013 | 0°C 1974 | 25% |
| Sep 4 | 21°C | 9°C | 30°C 1982 | 0°C 2013 | 26% |
| Sep 5 | 21°C | 9°C | 31°C 2007 | -1°C 2006 | 27% |
| Sep 6 | 21°C | 9°C | 29°C 1991 | 0°C 2006 | 28% |
| Sep 7 | 21°C | 9°C | 33°C 1995 | 0°C 1958 | 28% |
| Sep 8 | 21°C | 9°C | 33°C 1995 | -1°C 1958 | 27% |
| Sep 9 | 21°C | 9°C | 30°C 1986 | 0°C 1974 | 27% |
| Sep 10 | 21°C | 9°C | 32°C 2007 | 2°C 2009 | 26% |
| Sep 11 | 21°C | 9°C | 29°C 2007 | 2°C 1997 | 26% |
| Sep 12 | 22°C | 9°C | 37°C 2013 | 0°C 1957 | 27% |
| Sep 13 | 22°C | 9°C | 30°C 1980 | 0°C 2008 | 26% |
| Sep 14 | 22°C | 9°C | 30°C 1980 | 0°C 2008 | 26% |
| Sep 15 | 22°C | 9°C | 31°C 1996 | 3°C 2016 | 26% |
| Sep 16 | 22°C | 10°C | 32°C 2015 | 2°C 2008 | 26% |
| Sep 17 | 22°C | 10°C | 27°C 1999 | 1°C 1980 | 26% |
| Sep 18 | 22°C | 9°C | 31°C 1993 | 1°C 2008 | 25% |
| Sep 19 | 22°C | 10°C | 32°C 1999 | 1°C 1979 | 24% |
| Sep 20 | 22°C | 10°C | 30°C 1996 | 2°C 1995 | 24% |
| Sep 21 | 22°C | 10°C | 36°C 1994 | 2°C 1973 | 22% |
| Sep 22 | 23°C | 10°C | 32°C 1989 | 2°C 1987 | 23% |
| Sep 23 | 23°C | 10°C | 32°C 2018 | 6°C 1991 | 24% |
| Sep 24 | 23°C | 10°C | 37°C 1994 | -1°C 2013 | 26% |
| Sep 25 | 23°C | 10°C | 29°C 2001 | 1°C 2007 | 27% |
| Sep 26 | 23°C | 10°C | 32°C 1983 | 0°C 2012 | 28% |
| Sep 27 | 23°C | 10°C | 35°C 1958 | 2°C 2012 | 30% |
| Sep 28 | 23°C | 11°C | 32°C 1958 | 5°C 2009 | 31% |
| Sep 29 | 23°C | 11°C | 30°C 2002 | 2°C 2003 | 31% |
| Sep 30 | 23°C | 11°C | 29°C 1997 | 3°C 1981 | 32% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT-3).
- September 1
- sunrise 7:08 AM, sunset 6:36 PM
- September 30
- sunrise 6:31 AM, sunset 6:53 PM
Other months
Sources
Records: NOAA GHCN-Daily, station UY000086360, 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.