Provo, UT weather in September
Expect warm weather with some rain in Provo in September, with highs near 83°F and lows near 52°F. Rain falls on about 6 days.
- Normal high
- 83°F
- Normal low
- 52°F
- Wet days
- 6
- 1.2 in total
- Muggy days
- 0
- dew point 65°F+
How September changes from start to finish
| September 1 | September 30 | |
|---|---|---|
| Normal high | 89°F | 76°F |
| Normal low | 57°F | 46°F |
| Chance of a wet day | 20% | 21% |
| Sunrise / sunset | 6:54 am / 7:58 pm | 7:22 am / 7:11 pm |
| Daylight | 13.1 h | 11.8 h |
Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Mountain Time).
A typical September day
- 6 am57°Fdew point 42°F
- 9 am67°Fdew point 42°F
- Noon75°Fdew point 40°F
- 3 pm78°Fdew point 38°F
- 6 pm74°Fdew point 39°F
- 9 pm65°Fdew point 41°F
NOAA hourly normals (local standard time) from Salt Lake City Intl Airport (41 mi away); average wind 9 mph; clear or few clouds in 45% of daytime hours, mostly cloudy or overcast in 30%.
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°F9 of 30
- Hot dayshigh 90°F or more7 of 30
- Muggy daysdaily mean dew point 65°F or more0 of 30
- Wet daysat least 0.01 in of rain or melted snow6 of 30
- Notable rainat least 0.10 in3 of 30
- Freezing nightslow 32°F or below0 of 30
- Snow on the groundsnow depth 1 in or more0 of 30
Average days per September, counted from daily records for each year 1991-2020.
Rain in September
Normal precipitation is 1.2 in; a dry September brings about 0.6 in and a wet one about 1.9 in (25th and 75th percentiles). About 1 day brings half an inch or more.
How September varies from year to year
- Warmest September, 1991-20202018: average high 88°F
- Coolest September2006: average high 77°F
- Wettest September2016: 2.9 in
- Driest September2018: no measurable precipitation
- Highest reading101°F (September 5, 2020)
- Lowest reading32°F (September 30, 2007)
From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.
September compared with August and October
| August | September | October | |
|---|---|---|---|
| Normal high | 93°F | 83°F | 69°F |
| Normal low | 61°F | 52°F | 41°F |
| Wet days | 5 | 6 | 7 |
| Comfortable days | 1 | 9 | 17 |
| Daylight | 13.7 h | 12.4 h | 11.1 h |
Highs change by -10°F from August and -14°F into October.
Nearby alternatives in September
- Warmer: Springdale, UT222 mi · high 91°F · 4 wet days
- Drier: St. George, UT240 mi · high 92°F · 2 wet days
- Cooler: Park City, UT30 mi · high 74°F · 6 wet days
How Provo ranks in September
- Normal high162nd warmest of 378 cities; 4th of 7 in Utah
- Wet days112th driest of 378
- Comfortable days164th most of 342
What to pack for Provo in September
- Layers – afternoons near 83°F but nights near 52°F
Heating and cooling
September has 54 heating degree days and 130 cooling degree days (base 65°F), 3% of the year's total heating and cooling demand.
Questions
How hot is Provo in September?
The normal high is 83°F and the normal low is 52°F. From 1991 to 2020 the hottest September reading was 101°F (September 5, 2020).
Does it rain a lot in Provo in September?
About 6 days in September have at least 0.01 in of precipitation, and the normal total is 1.2 in. The wettest September in 1991-2020 was in 2016 (2.9 in); the driest was in 2018, with no measurable precipitation.
Is September a good time to visit Provo?
September ranks 5th of 12 months on our comfort score for Provo (59 out of 100). It has about 9 comfortable days and about 7 days at 90°F or hotter. The best months are April and May.
Where the numbers come from
- Temperature, rain, snowfall, snow depth and frost dates: Provo Byu (USC00427064), 0.9 mi NNE of the city center, 4,570 ft . NOAA normals and daily records, 1991-2020.
- Humidity and wind by hour and cloud cover: Salt Lake City Intl Airport (USW00024127), 41 mi NNW of the city center, 4,225 ft (328 ft lower than the city). NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: Salt Lake City International Airport (725720-24127), 41 mi NNW of the city center, 4,227 ft (326 ft lower than the city). Hourly observations, 1991-2020.