Barra de Santo Antônio Weather in September
Average highs run from 27°C on September 1 to 28°C on September 30, and lows from 23°C to 23°C. Normal precipitation for the month is 66 mm over about 15 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
- 27°C
- Average low
- 23°C
- Precipitation
- 66 mm
- Record high
- 33°CSep 30, 2003
- Record low
- 17°CSep 2, 2012
- Daylight
- 11 h 56 min to 12 h 10 min
- Cloud cover
- 48%
- Humidity
- 77%
- Dew point
- 20°C
- Wind
- 19.1 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 | 27°C | 23°C | 30°C 2004 | 17°C 1997 | 60% |
| Sep 2 | 27°C | 23°C | 30°C 1994 | 17°C 2012 | 60% |
| Sep 3 | 27°C | 23°C | 32°C 2002 | 18°C 1997 | 60% |
| Sep 4 | 27°C | 23°C | 29°C 2003 | 17°C 2012 | 61% |
| Sep 5 | 27°C | 23°C | 31°C 2014 | 19°C 1983 | 60% |
| Sep 6 | 27°C | 23°C | 30°C 2014 | 18°C 2010 | 61% |
| Sep 7 | 27°C | 23°C | 29°C 2001 | 19°C 2012 | 60% |
| Sep 8 | 27°C | 23°C | 31°C 2021 | 19°C 1987 | 60% |
| Sep 9 | 27°C | 23°C | 29°C 2004 | 18°C 1988 | 60% |
| Sep 10 | 27°C | 23°C | 31°C 2003 | 19°C 1987 | 59% |
| Sep 11 | 27°C | 23°C | 32°C 1997 | 18°C 2013 | 59% |
| Sep 12 | 27°C | 23°C | 31°C 1997 | 18°C 2012 | 57% |
| Sep 13 | 27°C | 23°C | 31°C 2001 | 18°C 2012 | 56% |
| Sep 14 | 27°C | 23°C | 30°C 1987 | 17°C 2012 | 54% |
| Sep 15 | 27°C | 23°C | 31°C 1989 | 18°C 2014 | 53% |
| Sep 16 | 27°C | 23°C | 30°C 2002 | 19°C 2022 | 52% |
| Sep 17 | 27°C | 23°C | 30°C 2021 | 19°C 2005 | 51% |
| Sep 18 | 27°C | 23°C | 32°C 2001 | 19°C 2016 | 49% |
| Sep 19 | 27°C | 23°C | 31°C 2004 | 18°C 2016 | 47% |
| Sep 20 | 27°C | 23°C | 30°C 1993 | 17°C 2012 | 45% |
| Sep 21 | 27°C | 23°C | 31°C 1982 | 18°C 2012 | 43% |
| Sep 22 | 27°C | 23°C | 31°C 2003 | 19°C 2012 | 40% |
| Sep 23 | 27°C | 23°C | 31°C 1993 | 18°C 2010 | 38% |
| Sep 24 | 28°C | 23°C | 32°C 1997 | 18°C 2009 | 36% |
| Sep 25 | 28°C | 23°C | 31°C 2005 | 19°C 2013 | 35% |
| Sep 26 | 28°C | 23°C | 32°C 2002 | 18°C 1995 | 33% |
| Sep 27 | 28°C | 23°C | 30°C 2021 | 18°C 1997 | 32% |
| Sep 28 | 28°C | 23°C | 31°C 1993 | 19°C 2015 | 31% |
| Sep 29 | 28°C | 23°C | 30°C 2001 | 19°C 1998 | 30% |
| Sep 30 | 28°C | 23°C | 33°C 2003 | 19°C 1996 | 30% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT-3).
- September 1
- sunrise 5:24 AM, sunset 5:20 PM
- September 30
- sunrise 5:07 AM, sunset 5:17 PM
Other months
Sources
Records: NOAA GHCN-Daily, station BR038983570, 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.