September weather in Grannis, AR
The average temperature in Grannis in September is °F (°F–°F). Average precipitation: 4.49 inches.
September is a fall month in Grannis, and is cooler than the annual average of 0°F. Expect about 7 days with precipitation. Daylight averages about 12h 12m.
Avg High
°F
Avg Low
°F
Precipitation
4.49 in
Daylight
12h 12m
September records in Grannis
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | — | — | 3.29 in (1994) |
| September 2 | — | — | 3.51 in (2016) |
| September 3 | — | — | 4.12 in (2008) |
| September 4 | — | — | 1.46 in (1968) |
| September 5 | — | — | 0.70 in (1968) |
| September 6 | — | — | 1.55 in (2025) |
| September 7 | — | — | 3.20 in (1973) |
| September 8 | — | — | 3.15 in (2010) |
| September 9 | — | — | 1.93 in (2001) |
| September 10 | — | — | 3.51 in (2007) |
| September 11 | — | — | 3.10 in (1974) |
| September 12 | — | — | 1.88 in (2024) |
| September 13 | — | — | 1.59 in (1995) |
| September 14 | — | — | 2.05 in (2008) |
| September 15 | — | — | 0.65 in (2012) |
| September 16 | — | — | 1.98 in (1964) |
| September 17 | — | — | 4.50 in (2009) |
| September 18 | — | — | 2.61 in (2011) |
| September 19 | — | — | 2.19 in (2011) |
| September 20 | — | — | 3.55 in (2002) |
| September 21 | — | — | 1.78 in (2019) |
| September 22 | — | — | 2.41 in (2020) |
| September 23 | — | — | 1.70 in (1971) |
| September 24 | — | — | 1.47 in (2019) |
| September 25 | — | — | 3.42 in (2005) |
| September 26 | — | — | 3.00 in (1964) |
| September 27 | — | — | 1.33 in (1976) |
| September 28 | — | — | 4.30 in (1973) |
| September 29 | — | — | 0.78 in (2013) |
| September 30 | — | — | 0.99 in (2012) |