September weather in Southwest Ranches, FL
The average temperature in Southwest Ranches in September is 83.2°F (76.5°F–89.8°F). Average precipitation: 7.98 inches.
September is a fall month in Southwest Ranches, and is warmer than the annual average of 77.3°F. Daily temperatures swing about 13.3°F between overnight low and afternoon high. Expect about 18 days with precipitation. Daylight averages about 12h 9m. For travel, September is a wet month.
Avg High
89.8°F
Avg Low
76.5°F
Precipitation
7.98 in
Daylight
12h 9m
September records in Southwest Ranches
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 96.1°F (2025) | 73.0°F (1999) | 2.21 in (2024) |
| September 2 | 95.0°F (2025) | 73.0°F (1999) | 1.05 in (2006) |
| September 3 | 93.9°F (2004) | 73.0°F (2009) | 2.21 in (2009) |
| September 4 | 95.0°F (2007) | 72.0°F (2006) | 2.11 in (2004) |
| September 5 | 93.9°F (2019) | 71.1°F (2012) | 2.57 in (2004) |
| September 6 | 96.1°F (2019) | 73.0°F (2006) | 2.22 in (2010) |
| September 7 | 95.0°F (2019) | 72.0°F (2013) | 1.10 in (2001) |
| September 8 | 93.9°F (2017) | 72.0°F (2013) | 1.43 in (2002) |
| September 9 | 95.0°F (2024) | 73.0°F (1999) | 2.16 in (2017) |
| September 10 | 93.0°F (2019) | 70.0°F (2005) | 3.31 in (2009) |
| September 11 | 98.1°F (2017) | 68.0°F (2002) | 1.33 in (2002) |
| September 12 | 93.9°F (2024) | 70.0°F (2002) | 1.08 in (2009) |
| September 13 | 96.1°F (2024) | 73.0°F (2001) | 3.54 in (2001) |
| September 14 | 95.0°F (2024) | 73.9°F (2014) | 2.54 in (2018) |
| September 15 | 95.0°F (2019) | 73.0°F (2015) | 1.19 in (2004) |
| September 16 | 96.1°F (2019) | 70.0°F (2001) | 0.68 in (2015) |
| September 17 | 95.0°F (2019) | 72.0°F (2022) | 1.27 in (2022) |
| September 18 | 95.0°F (2023) | 73.0°F (1999) | 2.16 in (2024) |
| September 19 | 95.0°F (2020) | 72.0°F (1999) | 0.77 in (2024) |
| September 20 | 93.9°F (2015) | 73.0°F (2005) | 1.91 in (2014) |
| September 21 | 91.9°F (2008) | 69.1°F (2023) | 1.08 in (2012) |
| September 22 | 95.0°F (2024) | 72.0°F (1999) | 1.13 in (2004) |
| September 23 | 93.0°F (2022) | 72.0°F (1999) | 1.79 in (2021) |
| September 24 | 93.0°F (2011) | 72.0°F (2019) | 0.82 in (2009) |
| September 25 | 93.9°F (2017) | 70.0°F (2019) | 0.99 in (2004) |
| September 26 | 93.0°F (2018) | 72.0°F (2007) | 2.29 in (2022) |
| September 27 | 93.0°F (2018) | 71.1°F (2007) | 3.06 in (2022) |
| September 28 | 93.0°F (2018) | 70.0°F (2001) | 2.50 in (2008) |
| September 29 | 95.0°F (2024) | 69.1°F (2001) | 3.91 in (2001) |
| September 30 | 93.9°F (2024) | 66.9°F (2022) | 1.62 in (2003) |