September weather in Gainesville, FL
The average temperature in Gainesville in September is 78.8°F (69.4°F–88.1°F). Average precipitation: 5.05 inches.
September is a fall month in Gainesville, and is warmer than the annual average of 69.3°F. Daily temperatures swing about 18.7°F between overnight low and afternoon high. Expect about 11 days with precipitation. Daylight averages about 12h 10m. For travel, September is a wet month.
Avg High
88.1°F
Avg Low
69.4°F
Precipitation
5.05 in
Daylight
12h 10m
September records in Gainesville
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 95.0°F (1984) | 62.1°F (1999) | 3.07 in (2023) |
| September 2 | 93.0°F (2005) | 63.0°F (1999) | 2.47 in (2016) |
| September 3 | 93.9°F (1966) | 64.0°F (1999) | 1.24 in (1967) |
| September 4 | 93.9°F (1966) | 66.0°F (1999) | 1.37 in (1992) |
| September 5 | 97.0°F (2020) | 64.0°F (1994) | 4.95 in (2004) |
| September 6 | 93.9°F (2010) | 61.0°F (1994) | 6.16 in (1988) |
| September 7 | 95.0°F (2019) | 63.0°F (1984) | 2.05 in (1966) |
| September 8 | 93.9°F (2019) | 61.0°F (2011) | 1.54 in (2024) |
| September 9 | 95.0°F (2019) | 60.1°F (1997) | 2.07 in (1964) |
| September 10 | 95.0°F (1985) | 60.1°F (1963) | 6.63 in (2017) |
| September 11 | 96.1°F (2010) | 63.0°F (1963) | 5.77 in (2017) |
| September 12 | 95.0°F (2010) | 63.0°F (2003) | 2.24 in (1964) |
| September 13 | 95.0°F (2018) | 62.1°F (1998) | 0.62 in (2016) |
| September 14 | 96.1°F (2018) | 60.1°F (2015) | 2.36 in (2001) |
| September 15 | 97.0°F (2018) | 57.9°F (2025) | 0.84 in (2014) |
| September 16 | 96.1°F (2018) | 57.0°F (2001) | 3.30 in (1965) |
| September 17 | 95.0°F (2018) | 57.0°F (1999) | 2.19 in (2009) |
| September 18 | 96.1°F (2018) | 61.0°F (1967) | 1.53 in (2012) |
| September 19 | 96.1°F (2018) | 60.1°F (2003) | 1.97 in (2021) |
| September 20 | 95.0°F (2018) | 61.0°F (2006) | 1.63 in (2012) |
| September 21 | 97.0°F (1997) | 55.0°F (2006) | 2.96 in (1969) |
| September 22 | 95.0°F (2025) | 59.0°F (1999) | 1.87 in (2001) |
| September 23 | 96.1°F (2025) | 57.0°F (1996) | 0.99 in (1963) |
| September 24 | 95.0°F (1997) | 55.9°F (1990) | 2.89 in (2002) |
| September 25 | 95.0°F (2018) | 55.0°F (2008) | 1.85 in (2003) |
| September 26 | 95.0°F (2019) | 57.9°F (2008) | 4.63 in (2004) |
| September 27 | 93.0°F (2019) | 54.0°F (2008) | 2.03 in (2025) |
| September 28 | 93.0°F (2011) | 54.0°F (1962) | 2.05 in (1966) |
| September 29 | 91.9°F (2017) | 50.0°F (1967) | 1.43 in (1969) |
| September 30 | 93.0°F (2019) | 48.0°F (1967) | 3.50 in (1998) |