September weather in Sweetwater, FL
The average temperature in Sweetwater in September is 82.8°F (75.8°F–89.8°F). Average precipitation: 9.32 inches.
September is a fall month in Sweetwater, and is warmer than the annual average of 76.7°F. Daily temperatures swing about 14°F between overnight low and afternoon high. Expect about 19 days with precipitation. Daylight averages about 12h 9m. For travel, September is a wet month.
Avg High
89.8°F
Avg Low
75.8°F
Precipitation
9.32 in
Daylight
12h 9m
September records in Sweetwater
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 96.1°F (2023) | 71.1°F (2013) | 1.92 in (2020) |
| September 2 | 95.0°F (2015) | 71.1°F (2013) | 1.06 in (2024) |
| September 3 | 93.9°F (2001) | 73.0°F (2006) | 1.83 in (2013) |
| September 4 | 93.0°F (1999) | 73.0°F (2006) | 4.45 in (2018) |
| September 5 | 93.9°F (2007) | 70.0°F (2015) | 2.91 in (2015) |
| September 6 | 93.9°F (2022) | 72.0°F (2008) | 3.19 in (2025) |
| September 7 | 93.9°F (2019) | 72.0°F (2008) | 1.74 in (2016) |
| September 8 | 96.1°F (2020) | 72.0°F (2004) | 2.51 in (2004) |
| September 9 | 93.0°F (2017) | 70.0°F (2007) | 3.93 in (2025) |
| September 10 | 93.0°F (2019) | 70.0°F (2007) | 2.47 in (2000) |
| September 11 | 93.9°F (2022) | 73.0°F (2002) | 1.72 in (2010) |
| September 12 | 93.9°F (2022) | 69.1°F (2002) | 3.76 in (2012) |
| September 13 | 95.0°F (2023) | 72.0°F (2001) | 2.31 in (2001) |
| September 14 | 93.9°F (2023) | 71.1°F (2002) | 1.18 in (2024) |
| September 15 | 93.9°F (2023) | 73.0°F (2014) | 0.79 in (2010) |
| September 16 | 91.9°F (2016) | 71.1°F (2001) | 1.31 in (2008) |
| September 17 | 93.9°F (2019) | 71.1°F (2001) | 3.89 in (2015) |
| September 18 | 93.0°F (2016) | 72.0°F (2015) | 1.99 in (2015) |
| September 19 | 93.9°F (2016) | 72.0°F (2007) | 2.68 in (2023) |
| September 20 | 93.0°F (2016) | 71.1°F (2023) | 2.01 in (2023) |
| September 21 | 91.9°F (2011) | 72.0°F (2004) | 1.04 in (2005) |
| September 22 | 91.9°F (2007) | 72.0°F (2014) | 4.22 in (2025) |
| September 23 | 91.9°F (2013) | 72.0°F (2004) | 6.25 in (2012) |
| September 24 | 93.0°F (2022) | 71.1°F (2014) | 1.00 in (2002) |
| September 25 | 91.9°F (2009) | 70.0°F (2007) | 1.86 in (2008) |
| September 26 | 93.0°F (2018) | 70.0°F (2023) | 3.28 in (2011) |
| September 27 | 93.0°F (2018) | 71.1°F (2007) | 1.70 in (2022) |
| September 28 | 91.0°F (2003) | 71.1°F (2007) | 2.00 in (2022) |
| September 29 | 93.9°F (2024) | 70.0°F (2001) | 3.96 in (2001) |
| September 30 | 93.0°F (2023) | 69.1°F (2022) | 3.90 in (2010) |