September weather in Fredericksburg, TX
The average temperature in Fredericksburg in September is 76.0°F (64.1°F–87.9°F). Average precipitation: 3.25 inches.
September is a fall month in Fredericksburg, and is warmer than the annual average of 65.5°F. Daily temperatures swing about 23.8°F between overnight low and afternoon high. Expect about 6 days with precipitation. Daylight averages about 12h 10m. For travel, September is a comfortable month to visit.
Avg High
87.9°F
Avg Low
64.1°F
Precipitation
3.25 in
Daylight
12h 10m
September records in Fredericksburg
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 106.0°F (1951) | 57.0°F (1944) | 1.70 in (1986) |
| September 2 | 104.0°F (1951) | 57.0°F (1987) | 3.23 in (1976) |
| September 3 | 105.1°F (2000) | 55.0°F (1974) | 1.97 in (1905) |
| September 4 | 107.1°F (2000) | 54.0°F (1974) | 2.38 in (2007) |
| September 5 | 109.0°F (2000) | 50.0°F (1952) | 2.19 in (2001) |
| September 6 | 104.0°F (2000) | 46.9°F (2011) | 5.87 in (1986) |
| September 7 | 100.9°F (1963) | 48.0°F (2011) | 4.45 in (1980) |
| September 8 | 100.0°F (2012) | 48.9°F (2011) | 2.34 in (1978) |
| September 9 | 104.0°F (2023) | 51.1°F (2017) | 2.09 in (1941) |
| September 10 | 105.1°F (2023) | 50.0°F (2024) | 8.03 in (1952) |
| September 11 | 102.0°F (2023) | 50.0°F (1968) | 7.10 in (1952) |
| September 12 | 100.9°F (2000) | 48.9°F (1960) | 2.23 in (1904) |
| September 13 | 100.0°F (2011) | 51.1°F (2017) | 3.27 in (1993) |
| September 14 | 100.0°F (2011) | 46.9°F (1902) | 2.76 in (1968) |
| September 15 | 99.0°F (2011) | 50.0°F (1989) | 2.65 in (1967) |
| September 16 | 98.1°F (1962) | 51.1°F (1989) | 1.77 in (2006) |
| September 17 | 97.0°F (1997) | 48.9°F (1903) | 1.30 in (1969) |
| September 18 | 96.1°F (1997) | 43.0°F (1903) | 1.12 in (1941) |
| September 19 | 98.1°F (1956) | 39.0°F (1981) | 2.40 in (1958) |
| September 20 | 100.0°F (1953) | 46.0°F (1981) | 3.33 in (1907) |
| September 21 | 97.0°F (2005) | 45.0°F (1913) | 3.30 in (1974) |
| September 22 | 98.1°F (2005) | 37.0°F (1983) | 5.65 in (1965) |
| September 23 | 97.0°F (2023) | 41.0°F (1999) | 1.35 in (1946) |
| September 24 | 97.0°F (2005) | 44.1°F (1947) | 3.21 in (1955) |
| September 25 | 105.1°F (2005) | 41.0°F (1989) | 1.34 in (2023) |
| September 26 | 105.1°F (2005) | 42.1°F (1975) | 1.25 in (1943) |
| September 27 | 108.0°F (1953) | 35.1°F (1942) | 3.13 in (2016) |
| September 28 | 102.9°F (1953) | 39.0°F (1942) | 1.83 in (2017) |
| September 29 | 100.0°F (1979) | 41.0°F (1908) | 1.25 in (1985) |
| September 30 | 97.0°F (2011) | 37.9°F (2000) | 1.16 in (1959) |