September weather in Dennis, TX
The average temperature in Dennis in September is °F (°F–°F). Average precipitation: 2.84 inches.
September is a fall month in Dennis, and is cooler than the annual average of 0°F. Expect about 4 days with precipitation. Daylight averages about 12h 11m.
Avg High
°F
Avg Low
°F
Precipitation
2.84 in
Daylight
12h 11m
September records in Dennis
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | — | — | 0.99 in (1963) |
| September 2 | — | — | 4.25 in (2020) |
| September 3 | — | — | 4.07 in (2024) |
| September 4 | — | — | 1.70 in (2001) |
| September 5 | — | — | 1.01 in (2007) |
| September 6 | — | — | 1.94 in (1973) |
| September 7 | — | — | 2.72 in (1967) |
| September 8 | — | — | 3.30 in (2010) |
| September 9 | — | — | 1.24 in (2018) |
| September 10 | — | — | 3.05 in (2020) |
| September 11 | — | — | 1.33 in (1955) |
| September 12 | — | — | 2.19 in (1961) |
| September 13 | — | — | 3.06 in (1985) |
| September 14 | — | — | 1.86 in (2012) |
| September 15 | — | — | 1.97 in (1967) |
| September 16 | — | — | 1.50 in (1966) |
| September 17 | — | — | 1.60 in (1964) |
| September 18 | — | — | 3.47 in (1995) |
| September 19 | — | — | 2.00 in (1991) |
| September 20 | — | — | 2.33 in (1950) |
| September 21 | — | — | 1.83 in (1974) |
| September 22 | — | — | 3.91 in (1965) |
| September 23 | — | — | 1.60 in (1955) |
| September 24 | — | — | 1.64 in (1960) |
| September 25 | — | — | 1.08 in (1974) |
| September 26 | — | — | 1.40 in (2010) |
| September 27 | — | — | 1.05 in (1972) |
| September 28 | — | — | 0.73 in (2017) |
| September 29 | — | — | 1.80 in (1988) |
| September 30 | — | — | 1.67 in (1980) |