September weather in Big Water, UT
The average temperature in Big Water in September is 71.5°F (56.3°F–86.7°F). Average precipitation: 0.81 inches.
September is a fall month in Big Water, and is warmer than the annual average of 57.6°F. Daily temperatures swing about 30.4°F between overnight low and afternoon high. Expect about 4 days with precipitation. Daylight averages about 12h 13m. For travel, September is a comfortable month to visit.
Avg High
86.7°F
Avg Low
56.3°F
Precipitation
0.81 in
Daylight
12h 13m
September records in Big Water
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 102.0°F (2019) | 51.1°F (1992) | 0.23 in (2023) |
| September 2 | 102.0°F (2019) | 53.1°F (1992) | 0.36 in (2023) |
| September 3 | 102.9°F (2022) | 54.0°F (2008) | 0.27 in (2016) |
| September 4 | 102.9°F (2022) | 55.0°F (1999) | 0.41 in (2016) |
| September 5 | 102.9°F (2022) | 52.0°F (1992) | 1.01 in (1998) |
| September 6 | 102.0°F (2017) | 51.1°F (2004) | 0.10 in (2009) |
| September 7 | 105.1°F (2022) | 53.1°F (2004) | 0.63 in (2002) |
| September 8 | 102.0°F (2020) | 54.0°F (1987) | 0.40 in (2002) |
| September 9 | 100.9°F (2022) | 45.0°F (2020) | 0.98 in (2013) |
| September 10 | 102.0°F (1990) | 41.0°F (2020) | 0.61 in (2013) |
| September 11 | 102.0°F (1990) | 46.0°F (2020) | 0.73 in (2013) |
| September 12 | 104.0°F (1990) | 41.0°F (1988) | 1.03 in (2013) |
| September 13 | 104.0°F (1990) | 45.0°F (1987) | 0.60 in (1997) |
| September 14 | 102.0°F (1990) | 42.1°F (1993) | 0.43 in (2009) |
| September 15 | 102.0°F (1990) | 45.0°F (1988) | 0.68 in (1992) |
| September 16 | 100.0°F (1990) | 46.9°F (1989) | 0.23 in (1992) |
| September 17 | 99.0°F (2000) | 42.1°F (1996) | 0.15 in (2011) |
| September 18 | 96.1°F (2000) | 43.0°F (1994) | 0.09 in (1992) |
| September 19 | 96.1°F (1989) | 39.0°F (1988) | 1.25 in (2004) |
| September 20 | 97.0°F (2010) | 42.1°F (1988) | 0.11 in (1990) |
| September 21 | 97.0°F (2010) | 46.9°F (2006) | 0.25 in (2016) |
| September 22 | 96.1°F (1988) | 44.1°F (1988) | 0.20 in (2016) |
| September 23 | 93.9°F (2001) | 42.1°F (2006) | 0.49 in (2007) |
| September 24 | 96.1°F (1993) | 39.0°F (2000) | 0.13 in (2023) |
| September 25 | 93.0°F (2001) | 39.9°F (2017) | 0.46 in (1986) |
| September 26 | 93.9°F (2020) | 43.0°F (1986) | 0.24 in (1997) |
| September 27 | 93.9°F (2024) | 39.9°F (1986) | 0.00 in (1986) |
| September 28 | 95.0°F (1994) | 39.0°F (2013) | 0.50 in (2005) |
| September 29 | 96.1°F (2003) | 39.9°F (1999) | 0.53 in (2004) |
| September 30 | 96.1°F (2024) | 39.9°F (1999) | 0.38 in (2004) |