Aracaju Weather in September
Average highs run from 26°C on September 1 to 27°C on September 30, and lows from 24°C to 24°C. Normal precipitation for the month is 63 mm over about 15 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
- 26°C
- Average low
- 24°C
- Precipitation
- 63 mm
- Reanalysis high
- 28°CSep 30, 2003
- Reanalysis low
- 22°CSep 8, 1991
- Daylight
- 11 h 54 min to 12 h 11 min
- Cloud cover
- 43%
- Humidity
- 76%
- Dew point
- 21°C
- Wind
- 21.6 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 | 26°C | 24°C | 27°C 2020 | 22°C 1991 | 54% |
| Sep 2 | 26°C | 24°C | 28°C 2002 | 22°C 2006 | 54% |
| Sep 3 | 26°C | 24°C | 28°C 2014 | 22°C 1991 | 55% |
| Sep 4 | 26°C | 24°C | 28°C 2014 | 22°C 1991 | 55% |
| Sep 5 | 26°C | 24°C | 28°C 2015 | 22°C 1991 | 55% |
| Sep 6 | 26°C | 24°C | 27°C 2015 | 23°C 1991 | 56% |
| Sep 7 | 26°C | 24°C | 27°C 2015 | 22°C 1991 | 58% |
| Sep 8 | 26°C | 24°C | 28°C 2015 | 22°C 1991 | 58% |
| Sep 9 | 26°C | 24°C | 27°C 2015 | 23°C 1991 | 58% |
| Sep 10 | 26°C | 24°C | 27°C 2015 | 23°C 1992 | 58% |
| Sep 11 | 26°C | 24°C | 28°C 2015 | 23°C 1997 | 56% |
| Sep 12 | 26°C | 24°C | 28°C 2015 | 23°C 1992 | 56% |
| Sep 13 | 26°C | 24°C | 27°C 2015 | 23°C 1995 | 56% |
| Sep 14 | 26°C | 24°C | 27°C 2015 | 23°C 1993 | 56% |
| Sep 15 | 26°C | 24°C | 27°C 2015 | 23°C 1995 | 54% |
| Sep 16 | 26°C | 24°C | 28°C 2002 | 23°C 1996 | 52% |
| Sep 17 | 26°C | 24°C | 28°C 2018 | 23°C 2007 | 49% |
| Sep 18 | 26°C | 24°C | 27°C 2013 | 23°C 1999 | 46% |
| Sep 19 | 26°C | 24°C | 28°C 2020 | 23°C 1999 | 44% |
| Sep 20 | 27°C | 24°C | 28°C 2016 | 23°C 2011 | 41% |
| Sep 21 | 27°C | 24°C | 28°C 2005 | 23°C 2011 | 40% |
| Sep 22 | 27°C | 24°C | 28°C 1997 | 23°C 2011 | 36% |
| Sep 23 | 27°C | 24°C | 28°C 2002 | 23°C 1996 | 34% |
| Sep 24 | 27°C | 24°C | 28°C 2015 | 23°C 1992 | 32% |
| Sep 25 | 27°C | 24°C | 28°C 2013 | 23°C 1999 | 31% |
| Sep 26 | 27°C | 24°C | 28°C 2015 | 23°C 1991 | 29% |
| Sep 27 | 27°C | 24°C | 28°C 2003 | 23°C 1991 | 28% |
| Sep 28 | 27°C | 24°C | 28°C 2015 | 23°C 1996 | 27% |
| Sep 29 | 27°C | 24°C | 28°C 2003 | 23°C 1996 | 26% |
| Sep 30 | 27°C | 24°C | 28°C 2003 | 23°C 1996 | 25% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT-3).
- September 1
- sunrise 5:31 AM, sunset 5:25 PM
- September 30
- sunrise 5:13 AM, sunset 5:24 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.