São Miguel do Iguaçu Weather in September
Average highs run from 26°C on September 1 to 27°C on September 30, and lows from 13°C to 16°C. Normal precipitation for the month is 135 mm over about 12 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
- 14°C
- Precipitation
- 135 mm
- Record high
- 39°CSep 27, 2020
- Record low
- 0°CSep 2, 2002
- Daylight
- 11 h 36 min to 12 h 18 min
- Cloud cover
- 54%
- Humidity
- 74%
- Dew point
- 14°C
- Wind
- 4.7 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 | 26°C | 13°C | 36°C 1995 | 8°C 1993 | 28% |
| Sep 2 | 26°C | 14°C | 34°C 1995 | 0°C 2002 | 27% |
| Sep 3 | 26°C | 14°C | 35°C 2004 | 1°C 2002 | 27% |
| Sep 4 | 26°C | 14°C | 35°C 2007 | 2°C 2006 | 27% |
| Sep 5 | 26°C | 14°C | 31°C 1984 | 7°C 1996 | 28% |
| Sep 6 | 26°C | 14°C | 35°C 2007 | 2°C 2006 | 30% |
| Sep 7 | 26°C | 14°C | 35°C 2003 | 1°C 2008 | 31% |
| Sep 8 | 26°C | 14°C | 37°C 2012 | 4°C 2016 | 32% |
| Sep 9 | 26°C | 14°C | 35°C 2004 | 5°C 1996 | 32% |
| Sep 10 | 26°C | 14°C | 36°C 2007 | 9°C 2009 | 33% |
| Sep 11 | 26°C | 14°C | 35°C 2007 | 10°C 1996 | 34% |
| Sep 12 | 27°C | 14°C | 37°C 2020 | 10°C 1983 | 36% |
| Sep 13 | 27°C | 14°C | 35°C 1977 | 7°C 1983 | 36% |
| Sep 14 | 27°C | 14°C | 38°C 2021 | 4°C 2000 | 36% |
| Sep 15 | 27°C | 14°C | 34°C 2006 | 8°C 1988 | 37% |
| Sep 16 | 27°C | 14°C | 32°C 1987 | 6°C 2008 | 38% |
| Sep 17 | 27°C | 14°C | 37°C 2012 | 8°C 1987 | 40% |
| Sep 18 | 27°C | 14°C | 37°C 2012 | 7°C 2001 | 41% |
| Sep 19 | 27°C | 14°C | 36°C 2012 | 9°C 2005 | 42% |
| Sep 20 | 27°C | 14°C | 32°C 1988 | 5°C 1983 | 42% |
| Sep 21 | 27°C | 14°C | 36°C 2007 | 6°C 1995 | 42% |
| Sep 22 | 27°C | 15°C | 35°C 1988 | 5°C 2002 | 44% |
| Sep 23 | 27°C | 15°C | 37°C 1994 | 10°C 2002 | 45% |
| Sep 24 | 27°C | 15°C | 38°C 2003 | 6°C 1990 | 47% |
| Sep 25 | 27°C | 15°C | 32°C 1997 | 5°C 2013 | 48% |
| Sep 26 | 27°C | 15°C | 34°C 1994 | 5°C 2012 | 49% |
| Sep 27 | 27°C | 15°C | 39°C 2020 | 8°C 2012 | 49% |
| Sep 28 | 27°C | 15°C | 37°C 2020 | 9°C 1984 | 49% |
| Sep 29 | 27°C | 15°C | 35°C 2021 | 11°C 1998 | 51% |
| Sep 30 | 27°C | 16°C | 34°C 2002 | 13°C 1985 | 51% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT-3).
- September 1
- sunrise 6:49 AM, sunset 6:25 PM
- September 30
- sunrise 6:18 AM, sunset 6:36 PM
Other months
Sources
Records: NOAA GHCN-Daily, station BRM00083827, 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 2026-09-25. Sun and moon: computed with the NOAA solar equations and Meeus.