September weather in Tomball, TX
The average temperature in Tomball in September is °F (°F–°F). Average precipitation: 4.54 inches.
September is a fall month in Tomball, and is cooler than the annual average of 0°F. Expect about 6 days with precipitation. Daylight averages about 12h 10m.
Avg High
°F
Avg Low
°F
Precipitation
4.54 in
Daylight
12h 10m
September records in Tomball
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | — | — | 10.57 in (1981) |
| September 2 | — | — | 1.70 in (1976) |
| September 3 | — | — | 1.65 in (1991) |
| September 4 | — | — | 0.85 in (2001) |
| September 5 | — | — | 2.00 in (1973) |
| September 6 | — | — | 2.50 in (1973) |
| September 7 | — | — | 1.75 in (1986) |
| September 8 | — | — | 1.80 in (1948) |
| September 9 | — | — | 1.54 in (1968) |
| September 10 | — | — | 1.90 in (2001) |
| September 11 | — | — | 4.10 in (1998) |
| September 12 | — | — | 5.74 in (1961) |
| September 13 | — | — | 1.59 in (1974) |
| September 14 | — | — | 3.80 in (2008) |
| September 15 | — | — | 12.75 in (2008) |
| September 16 | — | — | 1.83 in (1968) |
| September 17 | — | — | 1.90 in (1964) |
| September 18 | — | — | 1.55 in (1979) |
| September 19 | — | — | 2.86 in (2002) |
| September 20 | — | — | 6.20 in (1979) |
| September 21 | — | — | 2.82 in (1958) |
| September 22 | — | — | 4.68 in (1967) |
| September 23 | — | — | 3.10 in (1997) |
| September 24 | — | — | 2.75 in (1997) |
| September 25 | — | — | 2.04 in (1996) |
| September 26 | — | — | 2.94 in (1957) |
| September 27 | — | — | 2.19 in (1944) |
| September 28 | — | — | 0.68 in (1976) |
| September 29 | — | — | 1.28 in (1945) |
| September 30 | — | — | 2.00 in (1985) |