September weather in Plymouth, UT
The average temperature in Plymouth in September is °F (°F–°F). Average precipitation: 1.28 inches.
September is a fall month in Plymouth, and is cooler than the annual average of 0°F. Expect about 4 days with precipitation. Daylight averages about 12h 16m.
Avg High
°F
Avg Low
°F
Precipitation
1.28 in
Daylight
12h 16m
September records in Plymouth
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 93.9°F (1943) | 30.9°F (1943) | 0.83 in (2008) |
| September 2 | 91.0°F (1942) | 37.0°F (1943) | 0.86 in (2013) |
| September 3 | 86.0°F (1942) | 32.0°F (1943) | 1.16 in (2004) |
| September 4 | 90.0°F (1942) | 26.1°F (1943) | 0.85 in (2007) |
| September 5 | 87.1°F (1942) | 37.0°F (1943) | 0.19 in (2023) |
| September 6 | 88.0°F (1942) | 33.1°F (1943) | 1.41 in (2002) |
| September 7 | 89.1°F (1942) | 30.9°F (1943) | 0.40 in (2002) |
| September 8 | 88.0°F (1942) | 36.0°F (1943) | 0.46 in (2002) |
| September 9 | 87.1°F (1943) | 37.9°F (1943) | 0.60 in (1991) |
| September 10 | 90.0°F (1943) | 32.0°F (1941) | 0.37 in (2005) |
| September 11 | 89.1°F (1943) | 35.1°F (1943) | 0.85 in (2019) |
| September 12 | 90.0°F (1943) | 35.1°F (1941) | 0.98 in (1985) |
| September 13 | 91.0°F (1943) | 36.0°F (1941) | 0.23 in (2016) |
| September 14 | 90.0°F (1943) | 32.0°F (1941) | 0.40 in (2016) |
| September 15 | 88.0°F (1943) | 36.0°F (1943) | 0.62 in (2017) |
| September 16 | 91.9°F (1943) | 32.0°F (1941) | 0.24 in (2022) |
| September 17 | 90.0°F (1943) | 34.0°F (1941) | 0.66 in (2011) |
| September 18 | 86.0°F (1941) | 35.1°F (1942) | 0.66 in (2024) |
| September 19 | 82.0°F (1941) | 25.0°F (1942) | 0.70 in (1995) |
| September 20 | 79.0°F (1943) | 27.0°F (1942) | 0.52 in (1999) |
| September 21 | 84.0°F (1943) | 30.9°F (1941) | 0.60 in (1997) |
| September 22 | 86.0°F (1943) | 33.1°F (1942) | 1.11 in (2016) |
| September 23 | 86.0°F (1943) | 34.0°F (1942) | 0.84 in (2016) |
| September 24 | 87.1°F (1943) | 36.0°F (1942) | 0.63 in (2016) |
| September 25 | 84.0°F (1943) | 34.0°F (1942) | 0.32 in (1986) |
| September 26 | 78.1°F (1941) | 33.1°F (1942) | 0.78 in (1998) |
| September 27 | 82.0°F (1942) | 35.1°F (1942) | 0.11 in (1986) |
| September 28 | 84.9°F (1942) | 26.1°F (1941) | 1.20 in (2014) |
| September 29 | 86.0°F (1942) | 28.9°F (1941) | 0.35 in (1950) |
| September 30 | 84.9°F (1943) | 27.0°F (1941) | 0.65 in (2009) |