Palermo Weather in September
Average highs run from 29°C on September 1 to 25°C on September 30, and lows from 21°C to 18°C. Normal precipitation for the month is 63 mm over about 9 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
- 27°C
- Average low
- 20°C
- Precipitation
- 63 mm
- Reanalysis high
- 36°CSep 6, 2008
- Reanalysis low
- 14°CSep 30, 2002
- Daylight
- 13 h 00 min to 11 h 50 min
- Cloud cover
- 45%
- Humidity
- 67%
- Dew point
- 16°C
- Wind
- 12.6 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 | 29°C | 21°C | 33°C 1994 | 18°C 1995 | 18% |
| Sep 2 | 29°C | 21°C | 35°C 2011 | 17°C 1995 | 20% |
| Sep 3 | 29°C | 21°C | 34°C 2011 | 19°C 2006 | 22% |
| Sep 4 | 29°C | 21°C | 33°C 2011 | 19°C 2014 | 23% |
| Sep 5 | 28°C | 21°C | 34°C 2008 | 17°C 2007 | 23% |
| Sep 6 | 28°C | 21°C | 36°C 2008 | 17°C 2007 | 24% |
| Sep 7 | 28°C | 21°C | 35°C 2008 | 17°C 2007 | 25% |
| Sep 8 | 28°C | 21°C | 34°C 2008 | 16°C 1996 | 26% |
| Sep 9 | 28°C | 20°C | 36°C 1993 | 16°C 1996 | 26% |
| Sep 10 | 28°C | 20°C | 33°C 1993 | 18°C 2010 | 27% |
| Sep 11 | 28°C | 20°C | 32°C 2008 | 18°C 2017 | 26% |
| Sep 12 | 28°C | 20°C | 32°C 2008 | 17°C 2001 | 27% |
| Sep 13 | 27°C | 20°C | 33°C 1994 | 17°C 2001 | 28% |
| Sep 14 | 27°C | 20°C | 31°C 1994 | 16°C 2001 | 29% |
| Sep 15 | 27°C | 20°C | 31°C 2004 | 16°C 1996 | 30% |
| Sep 16 | 27°C | 20°C | 33°C 2015 | 16°C 1996 | 29% |
| Sep 17 | 27°C | 20°C | 34°C 2015 | 16°C 1998 | 29% |
| Sep 18 | 27°C | 20°C | 33°C 2015 | 17°C 2008 | 30% |
| Sep 19 | 27°C | 20°C | 34°C 1993 | 16°C 1994 | 31% |
| Sep 20 | 26°C | 19°C | 32°C 1993 | 16°C 1998 | 33% |
| Sep 21 | 26°C | 19°C | 34°C 2014 | 16°C 1994 | 32% |
| Sep 22 | 26°C | 19°C | 33°C 2014 | 17°C 2017 | 31% |
| Sep 23 | 26°C | 19°C | 32°C 2012 | 17°C 1996 | 29% |
| Sep 24 | 26°C | 19°C | 33°C 2012 | 16°C 1996 | 29% |
| Sep 25 | 26°C | 19°C | 33°C 1999 | 16°C 1995 | 28% |
| Sep 26 | 26°C | 19°C | 33°C 1994 | 16°C 2004 | 30% |
| Sep 27 | 26°C | 19°C | 32°C 2012 | 15°C 2002 | 31% |
| Sep 28 | 25°C | 19°C | 33°C 2012 | 15°C 2018 | 30% |
| Sep 29 | 25°C | 18°C | 32°C 2012 | 15°C 2002 | 29% |
| Sep 30 | 25°C | 18°C | 34°C 2012 | 14°C 2002 | 30% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT+2).
- September 1
- sunrise 6:36 AM, sunset 7:36 PM
- September 30
- sunrise 7:01 AM, sunset 6:51 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.