Weather on September 20
Salt Lake City, UT
55 Years of Data
Avg High
76°F
Avg Low
50°F
Warmest
2022
78°F avg
Coldest
1983
48°F avg
About This Date
September 20th in Salt Lake City, UT typically brings pleasant fall weather, with average highs around 76°F and lows near 50°F — a 26°F daily swing. Over 55 years of records, the warmest September 20th was in 2022 (78°F average), while the coldest was 1983 (48°F) — a 30°F range across recorded history. Rain or other precipitation has occurred on about 22% of September 20th dates historically, with the wettest September 20th recording 1.45" of rain. The last decade has been 5.6°F warmer on this date compared to 20-30 years ago.
The last decade has been 5.6°F warmer on this date compared to 20-30 years ago.
Planning for September 20th in Salt Lake City, UT? Great weather for outdoor activities.
Warming Trend
1.5°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 80° | 65° | 72° | — | — |
| 2024 | 82° | 54° | 68° | — | — |
| 2023 | 84° | 57° | 71° | — | — |
| 2022warmest | 92° | 65° | 78° | — | — |
| 2021 | 65° | 46° | 55° | — | — |
| 2020 | 77° | 50° | 64° | — | — |
| 2019 | 59° | 48° | 54° | 0.61" | — |
| 2018 | 74° | 54° | 64° | — | — |
| 2017 | 80° | 47° | 63° | — | — |
| 2016 | 89° | 60° | 75° | — | — |
| 2015 | 81° | 49° | 65° | — | — |
| 2014 | 84° | 56° | 70° | — | — |
| 2013 | 82° | 48° | 65° | — | — |
| 2012 | 84° | 54° | 69° | — | — |
| 2011 | 79° | 54° | 66° | — | — |
| 2010 | 76° | 53° | 64° | — | — |
| 2009 | 79° | 52° | 65° | — | — |
| 2008 | 82° | 56° | 69° | 0.1" | — |
| 2007 | 86° | 56° | 71° | — | — |
| 2006 | 66° | 46° | 56° | 0.64" | — |
| 2005 | 89° | 51° | 70° | — | — |
| 2004 | 55° | 42° | 49° | 0.23" | — |
| 2003 | 75° | 47° | 61° | — | — |
| 2002 | 78° | 48° | 63° | — | — |
| 2001 | 84° | 53° | 69° | — | — |
| 2000 | 73° | 55° | 64° | — | — |
| 1999 | 75° | 51° | 63° | — | — |
| 1998 | 64° | 48° | 56° | — | — |
| 1997 | 60° | 50° | 55° | 1.02" | — |
| 1996 | 70° | 46° | 58° | — | — |
| 1995 | 74° | 53° | 63° | — | — |
| 1994 | 72° | 56° | 64° | — | — |
| 1993 | 83° | 57° | 70° | — | — |
| 1992 | 76° | 52° | 64° | 0.03" | — |
| 1991 | 83° | 52° | 67° | — | — |
| 1990 | 69° | 48° | 59° | — | — |
| 1989 | 63° | 47° | 55° | 0.79" | — |
| 1988 | 58° | 46° | 52° | 0.03" | — |
| 1987 | 82° | 49° | 65° | — | — |
| 1986 | 61° | 44° | 52° | — | — |
| 1985 | 67° | 43° | 55° | — | — |
| 1984 | 79° | 59° | 69° | 1.45" | — |
| 1983coldest | 61° | 35° | 48° | — | — |
| 1982 | 81° | 55° | 68° | 0.1" | — |
| 1981 | 82° | 52° | 67° | — | — |
| 1980 | 76° | 50° | 63° | — | — |
| 1979 | 86° | 59° | 73° | — | — |
| 1978 | — | 32° | — | — | — |
| 1977 | 76° | 41° | 58° | 0.05" | — |
| 1976 | 80° | 45° | 62° | — | — |
| 1975 | 69° | 38° | 53° | — | — |
| 1974 | 82° | 43° | 62° | — | — |
| 1973 | 80° | 62° | 71° | — | — |
| 1972 | 65° | 42° | 53° | 1.09" | — |
| 1971 | 70° | 41° | 55° | — | — |
55 years of data from SALT LAKE CITY SUB SEW