September weather in Frisco, TX
The average temperature in Frisco in September is °F (°F–°F). Average precipitation: 2.92 inches.
September is a fall month in Frisco, and is cooler than the annual average of 0°F. Expect about 6 days with precipitation. Daylight averages about 12h 12m.
Avg High
°F
Avg Low
°F
Precipitation
2.92 in
Daylight
12h 12m
September records in Frisco
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | — | — | 1.10 in (1976) |
| September 2 | — | — | 3.82 in (2020) |
| September 3 | — | — | 3.78 in (1988) |
| September 4 | — | — | 0.38 in (1986) |
| September 5 | — | — | 1.36 in (2004) |
| September 6 | — | — | 4.07 in (1973) |
| September 7 | — | — | 1.87 in (1973) |
| September 8 | — | — | 3.00 in (2010) |
| September 9 | — | — | 4.42 in (2010) |
| September 10 | — | — | 2.08 in (2020) |
| September 11 | — | — | 3.50 in (2003) |
| September 12 | — | — | 1.53 in (1989) |
| September 13 | — | — | 3.01 in (1993) |
| September 14 | — | — | 1.04 in (2008) |
| September 15 | — | — | 1.97 in (1998) |
| September 16 | — | — | 0.56 in (2005) |
| September 17 | — | — | 1.79 in (1970) |
| September 18 | — | — | 0.88 in (2003) |
| September 19 | — | — | 1.61 in (1976) |
| September 20 | — | — | 1.78 in (2013) |
| September 21 | — | — | 0.95 in (1972) |
| September 22 | — | — | 8.79 in (2018) |
| September 23 | — | — | 2.49 in (1971) |
| September 24 | — | — | 0.79 in (1988) |
| September 25 | — | — | 1.77 in (1968) |
| September 26 | — | — | 1.22 in (2016) |
| September 27 | — | — | 5.01 in (1973) |
| September 28 | — | — | 1.29 in (1980) |
| September 29 | — | — | 2.80 in (1980) |
| September 30 | — | — | 1.62 in (1985) |