Weather on September 20
Provo, UT
55 Years of Data
Avg High
79°F
Avg Low
48°F
Warmest
2010
73°F avg
Coldest
1983
48°F avg
About This Date
September 20th in Provo, UT typically brings pleasant fall weather, with average highs around 79°F and lows near 48°F — a 31°F daily swing. Over 49 years of records, the warmest September 20th was in 2010 (73°F average), while the coldest was 1983 (48°F) — a 25°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 1.35" of rain. The last decade has been 3.6°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.6°F warmer on this date compared to 20-30 years ago.
Planning for September 20th in Provo, UT? Great weather for outdoor activities.
Warming Trend
1.9°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 83° | 59° | 71° | — | — |
| 2024 | 81° | 46° | 63° | — | — |
| 2023 | 85° | 56° | 70° | 0.03" | — |
| 2022 | 88° | 59° | 73° | — | — |
| 2021 | 67° | 45° | 56° | — | — |
| 2020 | 80° | 48° | 64° | — | — |
| 2019 | 76° | 47° | 61° | 0.46" | — |
| 2018 | 86° | 52° | 69° | — | — |
| 2017 | 79° | 43° | 61° | — | — |
| 2016 | 91° | 53° | 72° | — | — |
| 2015 | 83° | 45° | 64° | — | — |
| 2014 | 88° | 56° | 72° | — | — |
| 2013 | 84° | 45° | 64° | — | — |
| 2012 | 84° | 48° | 66° | — | — |
| 2011 | 81° | 50° | 65° | — | — |
| 2010warmest | 90° | 56° | 73° | — | — |
| 2009 | 78° | 58° | 68° | 0.15" | — |
| 2008 | 81° | 58° | 69° | 0.05" | — |
| 2007 | 85° | 50° | 67° | — | — |
| 2006 | 70° | 45° | 57° | 0.48" | — |
| 2005 | 88° | 47° | 67° | — | — |
| 2004 | 77° | 42° | 60° | 0.71" | — |
| 2003 | 77° | 44° | 61° | — | — |
| 2002 | 78° | 45° | 61° | — | — |
| 2001 | 87° | 50° | 69° | — | — |
| 2000 | 78° | 53° | 66° | — | — |
| 1999 | 77° | 48° | 63° | — | — |
| 1998 | 73° | 53° | 63° | — | — |
| 1997 | 63° | 53° | 58° | 0.66" | — |
| 1996 | 69° | 42° | 56° | — | — |
| 1995 | 84° | 52° | 68° | — | — |
| 1994 | 81° | 56° | 68° | — | — |
| 1993 | 83° | 44° | 63° | — | — |
| 1992 | 77° | 50° | 64° | 0.79" | — |
| 1991 | 85° | 47° | 66° | — | — |
| 1990 | 75° | 46° | 61° | — | — |
| 1989 | 78° | 49° | 63° | 1.35" | — |
| 1988 | 73° | 51° | 62° | — | — |
| 1987 | 84° | 43° | 63° | — | — |
| 1986 | 69° | 44° | 57° | — | — |
| 1985 | 69° | 39° | 54° | — | — |
| 1984 | 85° | 57° | 71° | 0.05" | — |
| 1983coldest | 62° | 33° | 48° | — | — |
| 1982 | 83° | 53° | 68° | 0.25" | — |
| 1981 | 84° | 53° | 69° | — | — |
| 1975 | 70° | 34° | 52° | — | — |
| 1973 | 83° | 43° | 63° | — | — |
| 1972 | 68° | 40° | 54° | — | — |
| 1971 | 70° | 29° | 49° | — | — |
49 years of data from PROVO RADIO KAYK