Aliança Weather in September
Average highs run from 28°C on September 1 to 30°C on September 30, and lows from 22°C to 23°C. Normal precipitation for the month is 57 mm over about 12 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
- 29°C
- Average low
- 22°C
- Precipitation
- 57 mm
- Reanalysis high
- 32°CSep 22, 2016
- Reanalysis low
- 20°CSep 12, 1995
- Daylight
- 11 h 58 min to 12 h 10 min
- Cloud cover
- 34%
- Humidity
- 76%
- Dew point
- 20°C
- Wind
- 19.4 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 | 28°C | 22°C | 30°C 2016 | 21°C 1991 | 51% |
| Sep 2 | 28°C | 22°C | 30°C 1993 | 21°C 1991 | 50% |
| Sep 3 | 28°C | 22°C | 30°C 2014 | 20°C 1997 | 49% |
| Sep 4 | 28°C | 22°C | 30°C 2015 | 21°C 1993 | 48% |
| Sep 5 | 28°C | 22°C | 30°C 2015 | 20°C 1992 | 48% |
| Sep 6 | 28°C | 22°C | 30°C 2015 | 20°C 2011 | 49% |
| Sep 7 | 28°C | 22°C | 30°C 2020 | 20°C 2001 | 48% |
| Sep 8 | 28°C | 22°C | 30°C 2020 | 21°C 2001 | 49% |
| Sep 9 | 28°C | 22°C | 31°C 2016 | 21°C 2011 | 48% |
| Sep 10 | 28°C | 22°C | 30°C 1997 | 21°C 1992 | 47% |
| Sep 11 | 28°C | 22°C | 30°C 1997 | 21°C 2013 | 47% |
| Sep 12 | 29°C | 22°C | 31°C 2015 | 20°C 1995 | 46% |
| Sep 13 | 29°C | 22°C | 30°C 2015 | 20°C 1995 | 46% |
| Sep 14 | 29°C | 22°C | 31°C 2016 | 21°C 1996 | 46% |
| Sep 15 | 29°C | 22°C | 31°C 2016 | 21°C 1991 | 45% |
| Sep 16 | 29°C | 22°C | 31°C 2016 | 21°C 1991 | 44% |
| Sep 17 | 29°C | 22°C | 31°C 2001 | 21°C 2014 | 42% |
| Sep 18 | 29°C | 22°C | 31°C 2016 | 21°C 1997 | 40% |
| Sep 19 | 29°C | 22°C | 31°C 2016 | 20°C 1995 | 38% |
| Sep 20 | 29°C | 22°C | 32°C 2016 | 21°C 2005 | 37% |
| Sep 21 | 29°C | 22°C | 32°C 2016 | 21°C 2002 | 36% |
| Sep 22 | 29°C | 22°C | 32°C 2016 | 21°C 2005 | 33% |
| Sep 23 | 29°C | 22°C | 32°C 2016 | 21°C 1995 | 31% |
| Sep 24 | 29°C | 22°C | 32°C 1999 | 21°C 1995 | 28% |
| Sep 25 | 29°C | 22°C | 31°C 1993 | 21°C 1992 | 26% |
| Sep 26 | 29°C | 22°C | 32°C 1993 | 21°C 1996 | 24% |
| Sep 27 | 29°C | 22°C | 32°C 2016 | 21°C 1991 | 23% |
| Sep 28 | 30°C | 23°C | 32°C 1993 | 21°C 1996 | 22% |
| Sep 29 | 30°C | 23°C | 31°C 2016 | 21°C 2013 | 21% |
| Sep 30 | 30°C | 23°C | 32°C 2016 | 22°C 1991 | 20% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT-3).
- September 1
- sunrise 5:22 AM, sunset 5:20 PM
- September 30
- sunrise 5:06 AM, sunset 5:16 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 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.