Provo weather in September

In September, Provo sees average daytime highs of 76°F and overnight lows near 49°F, with 1.1 in of precipitation across 4.3 wet days and about 12.3 hours of daylight. It is the 4th-warmest and 9th-wettest month of the year here.

Highs ease over the month, from about 82°F in the first days to 71°F by the end. The sky is clear or mostly clear about 65% of the time in September, and the air most often feels dry.

Daylight stretches from about 12 h 54 min at the start of September to 11 h 36 min by month's end. Set against the rest of the year, September is Provo's 1st-clearest and 6th-windiest month. For the whole year in context, see Provo's year-round climate.

Daytime high: 76°; 4th warmest
Overnight low: 49°; 9th coldest
Precipitation: 1.1 in; 4.3 wet days
Daylight: 12 h 18 min; 6:13 AM – 6:29 PM
Cloud cover: 30%; 1st clearest
Wind: 4 mph; 6th windiest
Solar energy: 5.76 kWh/m²
Travel score: 8.1; out of 10

Provo is city in and county seat of Utah County, Utah, United States.

Density: 1,067/km²; people per km²
Founded: 1849

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

← August Provo year-round climate October →Best places to visit in September

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 82°F in the first days to 71°F by the end.

A typical September day in Provo reaches about 76°F in the afternoon and slips back to 49°F overnight — a 27°F spread between the day's warmth and the night's chill. On most days the high lands between 64°F and 86°F. Set against its neighbours, September runs about 10°F cooler than August and about 15°F warmer than October.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Avg high (°F)	83	82	82	81	81	80	80	80	79	78	78	78	77	76	76	76	75	75	74	74	74	73	73	72	72	72	71	71	70	70
Avg low (°F)	55	55	55	54	54	53	53	53	52	52	51	51	50	50	49	49	49	48	48	47	47	47	46	46	46	45	45	45	44	44

	Avg high (°F)	Avg low (°F)
1	83	55
2	82	55
3	82	55
4	81	54
5	81	54
6	80	53
7	80	53
8	80	53
9	79	52
10	78	52
11	78	51
12	78	51
13	77	50
14	76	50
15	76	49
16	76	49
17	75	49
18	75	48
19	74	48
20	74	47
21	74	47
22	73	47
23	73	46
24	72	46
25	72	46
26	72	45
27	71	45
28	71	45
29	70	44
30	70	44

How September really feels in Provo

Once humidity and wind are folded in, September averages 0 days that feel above 90°F and 0 that feel at or below 32°F — the comfort signal a plain temperature reading hides.

Days feeling ≥ 90°F

heat index over the day's high

Days feeling ≤ 32°F

wind chill below the day's low

September sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Provo weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 9th-wettest month here — the current month is highlighted below.

Month	High / Low (°F)	Rainfall (inches)	Wet days	Snow days	Daylight (hours)	Travel score
Jan	33° / 16°	2.2	9.6	9.9	9.5	0.0
Feb	38° / 20°	1.8	8.5	8.2	10.4	0.0
Mar	47° / 27°	1.8	9.3	7.5	11.7	1.7
Apr	55° / 33°	2.1	10.2	5.7	13	3.6
May	67° / 42°	1.7	8.2	1.4	14.2	6.5
Jun	80° / 52°	0.7	3.7	0.1	14.8	7.7
Jul	88° / 60°	0.3	1.6	0	14.6	5.5
Aug	86° / 59°	0.3	2.1	0	13.6	6.1
Sep	76° / 49°	1.1	4.3	0.2	12.3	8.1
Oct	61° / 38°	1.5	6.5	2	10.9	5.8
Nov	45° / 25°	1.6	7.7	6.2	9.8	1.3
Dec	33° / 16°	1.9	8.8	9.2	9.2	0.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 65% of the time in September, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 17% of September, with mostly cloudy or overcast conditions the remaining 18%.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Clearer (%)	84	84	84	84	83	83	83	84	83	83	83	82	82	82	82	82	82	82	82	81	81	81	81	80	80	80	79	78	77	77
Cloudier (%)	16	16	16	16	17	17	17	16	17	17	17	18	18	18	18	18	18	18	18	19	19	19	19	20	20	20	21	22	23	23

	Clearer (%)	Cloudier (%)
1	84	16
2	84	16
3	84	16
4	84	16
5	83	17
6	83	17
7	83	17
8	84	16
9	83	17
10	83	17
11	83	17
12	82	18
13	82	18
14	82	18
15	82	18
16	82	18
17	82	18
18	82	18
19	82	18
20	81	19
21	81	19
22	81	19
23	81	19
24	80	20
25	80	20
26	80	20
27	79	21
28	78	22
29	77	23
30	77	23

Chance of precipitation in September

Any precipitationSnow

Provo gets around 1.1 in of rain and snow over 4.3 wet days in September. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 15% and peaks near 18% on the wettest days, and about 0 day brings snow. The odds climb toward the end of the month.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Rain chance (%)	10	10	11	11	12	12	13	13	13	14	14	15	15	16	16	16	16	16	16	16	16	16	16	16	16	17	17	17	18	18
Snow chance (%)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	1	1	1	1	1	1	1	2	2	2	2	2	3	3	3

	Rain chance (%)	Snow chance (%)
1	10	0
2	10	0
3	11	0
4	11	0
5	12	0
6	12	0
7	13	0
8	13	0
9	13	0
10	14	0
11	14	0
12	15	0
13	15	0
14	16	0
15	16	0
16	16	1
17	16	1
18	16	1
19	16	1
20	16	1
21	16	1
22	16	1
23	16	2
24	16	2
25	16	2
26	17	2
27	17	2
28	17	3
29	18	3
30	18	3

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

Most of September feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, September lands in the dry band about 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Dry (%)	99	99	99	99	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100
Comfortable (%)	1	1	1	1	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0

	Dry (%)	Comfortable (%)
1	99	1
2	99	1
3	99	1
4	99	1
5	100	0
6	100	0
7	100	0
8	100	0
9	100	0
10	100	0
11	100	0
12	100	0
13	100	0
14	100	0
15	100	0
16	100	0
17	100	0
18	100	0
19	100	0
20	100	0
21	100	0
22	100	0
23	100	0
24	100	0
25	100	0
26	100	0
27	100	0
28	100	0
29	100	0
30	100	0

Wind in September

Winds average 4 mph in September.

Across September, daily wind ranges from about 4 mph on the calmest days to 4 mph at its breeziest. It stays fairly steady from day to day.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Wind speed (mph)	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4
Feels	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm

	Wind speed (mph)	Feels
1	4	calm
2	4	calm
3	4	calm
4	4	calm
5	4	calm
6	4	calm
7	4	calm
8	4	calm
9	4	calm
10	4	calm
11	4	calm
12	4	calm
13	4	calm
14	4	calm
15	4	calm
16	4	calm
17	4	calm
18	4	calm
19	4	calm
20	4	calm
21	4	calm
22	4	calm
23	4	calm
24	4	calm
25	4	calm
26	4	calm
27	4	calm
28	4	calm
29	4	calm
30	4	calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 12 h 54 min at the start of September to 11 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 78 minutes over September. Sunrise moves from 5:58 AM to 6:27 AM, and sunset from 6:54 PM to 6:05 PM.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Daylight (h)	12.9	12.9	12.8	12.8	12.8	12.7	12.7	12.6	12.6	12.5	12.5	12.4	12.4	12.4	12.3	12.3	12.2	12.2	12.1	12.1	12.0	12.0	11.9	11.9	11.9	11.8	11.8	11.7	11.7	11.6
Sunrise (AM)	5:58	5:59	6:00	6:01	6:02	6:03	6:04	6:05	6:06	6:07	6:08	6:09	6:10	6:11	6:12	6:13	6:14	6:15	6:16	6:17	6:18	6:19	6:20	6:21	6:22	6:23	6:24	6:25	6:26	6:27
Sunset (PM)	6:54	6:53	6:51	6:49	6:48	6:46	6:44	6:43	6:41	6:39	6:37	6:36	6:34	6:32	6:31	6:29	6:27	6:25	6:24	6:22	6:20	6:18	6:17	6:15	6:13	6:12	6:10	6:08	6:06	6:05

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	12.9	5:58	6:54
2	12.9	5:59	6:53
3	12.8	6:00	6:51
4	12.8	6:01	6:49
5	12.8	6:02	6:48
6	12.7	6:03	6:46
7	12.7	6:04	6:44
8	12.6	6:05	6:43
9	12.6	6:06	6:41
10	12.5	6:07	6:39
11	12.5	6:08	6:37
12	12.4	6:09	6:36
13	12.4	6:10	6:34
14	12.4	6:11	6:32
15	12.3	6:12	6:31
16	12.3	6:13	6:29
17	12.2	6:14	6:27
18	12.2	6:15	6:25
19	12.1	6:16	6:24
20	12.1	6:17	6:22
21	12.0	6:18	6:20
22	12.0	6:19	6:18
23	11.9	6:20	6:17
24	11.9	6:21	6:15
25	11.9	6:22	6:13
26	11.8	6:23	6:12
27	11.8	6:24	6:10
28	11.7	6:25	6:08
29	11.7	6:26	6:06
30	11.6	6:27	6:05

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.76 kWh/m².

For context, solar energy here swings from a low near 2.26 kWh/m² to a high of 8.13 kWh/m² in June across the year — September's 5.76 kWh/m² falls in the middle.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Solar energy (kWh/m²)	6.5	6.4	6.4	6.3	6.3	6.2	6.2	6.1	6.0	6.0	6.0	5.9	5.9	5.8	5.8	5.7	5.7	5.6	5.6	5.5	5.5	5.4	5.4	5.3	5.3	5.2	5.2	5.1	5.0	5.0
Level	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright

	Solar energy (kWh/m²)	Level
1	6.5	Intense
2	6.4	Intense
3	6.4	Intense
4	6.3	Intense
5	6.3	Intense
6	6.2	Intense
7	6.2	Intense
8	6.1	Intense
9	6.0	Intense
10	6.0	Intense
11	6.0	Bright
12	5.9	Bright
13	5.9	Bright
14	5.8	Bright
15	5.8	Bright
16	5.7	Bright
17	5.7	Bright
18	5.6	Bright
19	5.6	Bright
20	5.5	Bright
21	5.5	Bright
22	5.4	Bright
23	5.4	Bright
24	5.3	Bright
25	5.3	Bright
26	5.2	Bright
27	5.2	Bright
28	5.1	Bright
29	5.0	Bright
30	5.0	Bright

Planning a trip in September

Is September a good time to visit Provo?

Our two travel scores rate September for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

8.1

Sightseeing

1st-best month of the year

6.9

Beach & pool

4th-best month of the year

September is one of the better times to visit Provo for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Provo in September

From September's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In September, Provo sees daytime highs around 76°F and nights near 49°F. Worth packing: light clothes and sun protection. About 4 days see rain.

light clothessun protection

UV index in Provo in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Provo peaks around July 13 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 2 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 9 months of the year.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
UV index (midday)	2	3	6	6	7	10	10	9	7	5	3	2
Level	Moderate	Moderate	High	High	Very high	Very high	Extreme	Very high	Very high	Moderate	Moderate	Moderate

	UV index (midday)	Level
Jan	2	Moderate
Feb	3	Moderate
Mar	6	High
Apr	6	High
May	7	Very high
Jun	10	Very high
Jul	10	Extreme
Aug	9	Very high
Sep	7	Very high
Oct	5	Moderate
Nov	3	Moderate
Dec	2	Moderate

Air quality in Provo in September

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where September falls, not just the annual average.

Air quality in Provo is worst in September — around 22 µg/m³ PM2.5 (moderate), about 2.6× the cleanest month (June, 9 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
PM2.5 (µg/m³)	11	11	12	10	10	9	11	14	22	12	9	9
Level	Good	Good	Moderate	Good	Good	Good	Good	Moderate	Moderate	Good	Good	Good

	PM2.5 (µg/m³)	Level
Jan	11	Good
Feb	11	Good
Mar	12	Moderate
Apr	10	Good
May	10	Good
Jun	9	Good
Jul	11	Good
Aug	14	Moderate
Sep	22	Moderate
Oct	12	Good
Nov	9	Good
Dec	9	Good

Location & terrain

Where is Provo?

Provo sits at 40.2°N, 111.7°W, 4,551 ft above sea level, in United States. The nearest listed city is Orem, 5.0 mi away.

Topography around Provo

How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Provo.

Within 2 miles, the terrain around Provo has significant variations in elevation — a maximum elevation change of 1,713 ft around an average of 4,623 ft above sea level; within 10 miles, very significant variations in elevation — a maximum elevation change of 6,499 ft; within 50 miles, very significant variations in elevation — a maximum elevation change of 7,513 ft.

The land around Provo is covered by artificial surfaces (59%) within 2 miles, trees (27%), grassland (26%) and water (21%) within 10 miles, and grassland (48%) and trees (34%) within 50 miles.

2 miles

1,713 ft

artificial surfaces 59%

10 miles

6,499 ft

trees 27%

50 miles

7,513 ft

grassland 48%

treesshrubsgrasslandcroplandartificial surfacesbare terrainwater

← August Provo year-round climate October →Best places to visit in September

September weather nearby: Orem 5.0 mi · Springville 5.6 mi · Spanish Fork 8.1 mi · Pleasant Grove 9.9 mi · American Fork 12 mi · Payson 14 mi · Lehi 15 mi · Highland 15 mi

United States travel facts

Power plugs: Type A / B; 120 V · 60 Hz
Prices: ≈ 100% of US; price level, 2025
GDP per capita: $90,027; 2025
Happiness: 6.8 / 10; World Happiness, 2025
Safe drinking water: 98%; of population, 2024
Homicide rate: 5.8; per 100k, 2023
Road deaths: 12.7; per 100k/yr, 2019
Income group: High; World Bank
Religion

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Provo (40.2338°, -111.6585°, elevation 4,551 ft), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).

	Avg high (°F)	Avg low (°F)
1	83	55
2	82	55
3	82	55
4	81	54
5	81	54
6	80	53
7	80	53
8	80	53
9	79	52
10	78	52
11	78	51
12	78	51
13	77	50
14	76	50
15	76	49
16	76	49
17	75	49
18	75	48
19	74	48
20	74	47
21	74	47
22	73	47
23	73	46
24	72	46
25	72	46
26	72	45
27	71	45
28	71	45
29	70	44
30	70	44

	Clearer (%)	Cloudier (%)
1	84	16
2	84	16
3	84	16
4	84	16
5	83	17
6	83	17
7	83	17
8	84	16
9	83	17
10	83	17
11	83	17
12	82	18
13	82	18
14	82	18
15	82	18
16	82	18
17	82	18
18	82	18
19	82	18
20	81	19
21	81	19
22	81	19
23	81	19
24	80	20
25	80	20
26	80	20
27	79	21
28	78	22
29	77	23
30	77	23

	Rain chance (%)	Snow chance (%)
1	10	0
2	10	0
3	11	0
4	11	0
5	12	0
6	12	0
7	13	0
8	13	0
9	13	0
10	14	0
11	14	0
12	15	0
13	15	0
14	16	0
15	16	0
16	16	1
17	16	1
18	16	1
19	16	1
20	16	1
21	16	1
22	16	1
23	16	2
24	16	2
25	16	2
26	17	2
27	17	2
28	17	3
29	18	3
30	18	3

	Dry (%)	Comfortable (%)
1	99	1
2	99	1
3	99	1
4	99	1
5	100	0
6	100	0
7	100	0
8	100	0
9	100	0
10	100	0
11	100	0
12	100	0
13	100	0
14	100	0
15	100	0
16	100	0
17	100	0
18	100	0
19	100	0
20	100	0
21	100	0
22	100	0
23	100	0
24	100	0
25	100	0
26	100	0
27	100	0
28	100	0
29	100	0
30	100	0

	Avg high (°F)	Avg low (°F)
1	83	55
2	82	55
3	82	55
4	81	54
5	81	54
6	80	53
7	80	53
8	80	53
9	79	52
10	78	52
11	78	51
12	78	51
13	77	50
14	76	50
15	76	49
16	76	49
17	75	49
18	75	48
19	74	48
20	74	47
21	74	47
22	73	47
23	73	46
24	72	46
25	72	46
26	72	45
27	71	45
28	71	45
29	70	44
30	70	44

	Clearer (%)	Cloudier (%)
1	84	16
2	84	16
3	84	16
4	84	16
5	83	17
6	83	17
7	83	17
8	84	16
9	83	17
10	83	17
11	83	17
12	82	18
13	82	18
14	82	18
15	82	18
16	82	18
17	82	18
18	82	18
19	82	18
20	81	19
21	81	19
22	81	19
23	81	19
24	80	20
25	80	20
26	80	20
27	79	21
28	78	22
29	77	23
30	77	23

	Rain chance (%)	Snow chance (%)
1	10	0
2	10	0
3	11	0
4	11	0
5	12	0
6	12	0
7	13	0
8	13	0
9	13	0
10	14	0
11	14	0
12	15	0
13	15	0
14	16	0
15	16	0
16	16	1
17	16	1
18	16	1
19	16	1
20	16	1
21	16	1
22	16	1
23	16	2
24	16	2
25	16	2
26	17	2
27	17	2
28	17	3
29	18	3
30	18	3

	Dry (%)	Comfortable (%)
1	99	1
2	99	1
3	99	1
4	99	1
5	100	0
6	100	0
7	100	0
8	100	0
9	100	0
10	100	0
11	100	0
12	100	0
13	100	0
14	100	0
15	100	0
16	100	0
17	100	0
18	100	0
19	100	0
20	100	0
21	100	0
22	100	0
23	100	0
24	100	0
25	100	0
26	100	0
27	100	0
28	100	0
29	100	0
30	100	0

	Avg high (°F)	Avg low (°F)
1	83	55
2	82	55
3	82	55
4	81	54
5	81	54
6	80	53
7	80	53
8	80	53
9	79	52
10	78	52
11	78	51
12	78	51
13	77	50
14	76	50
15	76	49
16	76	49
17	75	49
18	75	48
19	74	48
20	74	47
21	74	47
22	73	47
23	73	46
24	72	46
25	72	46
26	72	45
27	71	45
28	71	45
29	70	44
30	70	44

	Clearer (%)	Cloudier (%)
1	84	16
2	84	16
3	84	16
4	84	16
5	83	17
6	83	17
7	83	17
8	84	16
9	83	17
10	83	17
11	83	17
12	82	18
13	82	18
14	82	18
15	82	18
16	82	18
17	82	18
18	82	18
19	82	18
20	81	19
21	81	19
22	81	19
23	81	19
24	80	20
25	80	20
26	80	20
27	79	21
28	78	22
29	77	23
30	77	23

	Rain chance (%)	Snow chance (%)
1	10	0
2	10	0
3	11	0
4	11	0
5	12	0
6	12	0
7	13	0
8	13	0
9	13	0
10	14	0
11	14	0
12	15	0
13	15	0
14	16	0
15	16	0
16	16	1
17	16	1
18	16	1
19	16	1
20	16	1
21	16	1
22	16	1
23	16	2
24	16	2
25	16	2
26	17	2
27	17	2
28	17	3
29	18	3
30	18	3

	Dry (%)	Comfortable (%)
1	99	1
2	99	1
3	99	1
4	99	1
5	100	0
6	100	0
7	100	0
8	100	0
9	100	0
10	100	0
11	100	0
12	100	0
13	100	0
14	100	0
15	100	0
16	100	0
17	100	0
18	100	0
19	100	0
20	100	0
21	100	0
22	100	0
23	100	0
24	100	0
25	100	0
26	100	0
27	100	0
28	100	0
29	100	0
30	100	0