Provo weather in September: Provo, Utah: normal highs, lows, rain and records for September
Provo in September has a normal high of 83°F and a normal low of 52°F, a daily mean of 68°F, falling from 89°F on the 1st to 76°F by the 30th. Measurable precipitation falls on 6 days in a normal September, 1.24 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 28°C and low of 11°C, 31 mm of precipitation in September.
- NOAA stationProvo BYU
- Station IDUSC00427064
- Location40.25°N 111.65°W
- Elevation4,570 ft (1,393 m)
- From the centerunder 1 mile
- Population115,479
- Jan 41° 24°
- Feb 48° 28°
- Mar 58° 35°
- Apr 66° 40°
- May 76° 47°
- Jun 87° 55°
- Jul 95° 62°
- Aug 93° 61°
- Sep 83° 52°
- Oct 69° 41°
- Nov 53° 32°
- Dec 41° 24°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Provo in September?
The normal high is 83°F and the normal low 52°F, for a daily mean of 67.5°F. September is 9.5°F cooler than August and 12.8°F warmer than October. September is the 4th warmest month of the year in Provo and the 9th wettest. Across the month the normal high falls 13°F, from 89°F on September 1 to 76°F on September 30. From one year to the next September's mean temperature typically moves about 2.2°F either way (NOAA's standard deviation), so roughly two Septembers in three average between 65°F and 70°F.
Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 21%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| September 1 | 89°F | 57°F | 19% | 8% |
| September 8 | 86°F | 55°F | 20% | 10% |
| September 15 | 84°F | 52°F | 21% | 11% |
| September 22 | 80°F | 50°F | 21% | 11% |
| September 30 | 76°F | 46°F | 21% | 12% |
Every day of September: normal high, low and chance of precipitation (warmest afternoon September 1, coldest night September 30)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| September 1 | 89°F | 57°F | 19% | 8% | 13 h 10 min |
| September 2 | 89°F | 57°F | 20% | 9% | 13 h 10 min |
| September 3 | 88°F | 57°F | 20% | 9% | 13 h |
| September 4 | 88°F | 56°F | 20% | 9% | 13 h |
| September 5 | 88°F | 56°F | 20% | 9% | 13 h |
| September 6 | 87°F | 56°F | 20% | 9% | 12 h 50 min |
| September 7 | 87°F | 55°F | 20% | 9% | 12 h 50 min |
| September 8 | 86°F | 55°F | 20% | 10% | 12 h 50 min |
| September 9 | 86°F | 55°F | 21% | 10% | 12 h 50 min |
| September 10 | 86°F | 54°F | 21% | 10% | 12 h 40 min |
| September 11 | 85°F | 54°F | 21% | 10% | 12 h 40 min |
| September 12 | 85°F | 53°F | 21% | 10% | 12 h 40 min |
| September 13 | 84°F | 53°F | 21% | 10% | 12 h 40 min |
| September 14 | 84°F | 53°F | 21% | 11% | 12 h 30 min |
| September 15 | 84°F | 52°F | 21% | 11% | 12 h 30 min |
| September 16 | 83°F | 52°F | 21% | 11% | 12 h 30 min |
| September 17 | 83°F | 52°F | 21% | 11% | 12 h 30 min |
| September 18 | 82°F | 51°F | 21% | 11% | 12 h 20 min |
| September 19 | 82°F | 51°F | 21% | 11% | 12 h 20 min |
| September 20 | 81°F | 50°F | 21% | 11% | 12 h 20 min |
| September 21 | 81°F | 50°F | 21% | 11% | 12 h 20 min |
| September 22 | 80°F | 50°F | 21% | 11% | 12 h 10 min |
| September 23 | 80°F | 49°F | 21% | 11% | 12 h 10 min |
| September 24 | 79°F | 49°F | 21% | 11% | 12 h 10 min |
| September 25 | 79°F | 48°F | 21% | 11% | 12 h 10 min |
| September 26 | 78°F | 48°F | 21% | 11% | 12 h |
| September 27 | 78°F | 48°F | 21% | 12% | 12 h |
| September 28 | 77°F | 47°F | 21% | 12% | 12 h |
| September 29 | 77°F | 47°F | 21% | 12% | 11 h 50 min |
| September 30 | 76°F | 46°F | 21% | 12% | 11 h 50 min |
- Normal high
- 83°FSeptember average
- Normal low
- 52°FSeptember average
- Precipitation
- 1.24 inmonth total
- Days with precipitation
- 60.01 inch or more
- Days at 90°F or more
- 7
- Daylight
- 13 h 10 min to 11 h 50 minSeptember 1 to September 30
- Days at 70°F or more
- 28
- Days at 80°F or more
- 21
- Sunshine
- 85%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USC00427064; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Provo in September?
On a given September day the chance of 0.01 inch or more is 20% on average, highest around September 13 (21%). In all, 1.24 in falls on 6 days of a normal September.
In a normal September in Provo, 7 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00427064.
What are the records for September in Provo?
The warmest September temperature on this station's record (since 1916) is 102°F, on September 8, 2022; the coldest is 21°F, on September 25, 1926. The wettest September brought 6.53 in (1982).
The September mean against the 1991-2020 normal of 67.5°F: 2021 69.7°F (+2.2), 2022 72.3°F (+4.8), 2023 69.2°F (+1.7), 2024 70.9°F (+3.4), 2025 71.4°F (+3.9), 2026 70.7°F (+3.2). 6 of 6 ran warmer than normal.
| September | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 69.7°F | +2.2°F | 0.42 in |
| 2022 | 72.3°F | +4.8°F | 1.22 in |
| 2023 | 69.2°F | +1.7°F | 0.75 in |
| 2024 | 70.9°F | +3.4°F | 0.54 in |
| 2025 | 71.4°F | +3.9°F | 0.63 in |
| 2026 | 70.7°F | +3.2°F | 0.96 in |
Source: records: ACIS, station USC00427064; recent months: ACIS, station USC00427064. Records and recent months use complete months only.
How does September in Provo compare across Utah?
Across the 97 places PlainClimate covers in Utah, September normal highs run from 61°F in Brian Head to 92°F in St. George; Provo's is 83°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.