North Salt Lake weather in September

In September, North Salt Lake sees average daytime highs of 77°F and overnight lows near 53°F, with 1.4 in of rain across 4.7 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 83°F in the first days to 72°F by the end. The sky is clear or mostly clear about 66% of the time in September, and the air most often feels dry.

Daylight stretches from about 13 hours at the start of September to 11 h 36 min by month's end. Set against the rest of the year, September is North Salt Lake's 1st-clearest and 7th-windiest month. For the whole year in context, see North Salt Lake's year-round climate.

Daytime high
77°
4th warmest
Overnight low
53°
9th coldest
Rainfall
1.4 in
4.7 wet days
Daylight
12 h 18 min
6:14 AM – 6:30 PM
Cloud cover
29%
1st clearest
Wind
5 mph
7th windiest
Solar energy
5.71 kWh/m²
Travel score
7.9
out of 10

North Salt Lake is city in Davis County, Utah, United States.

Density
890/km²
people per km²
Founded
1946

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

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 83°F in the first days to 72°F by the end.

A typical September day in North Salt Lake reaches about 77°F in the afternoon and slips back to 53°F overnight — a 24°F spread between the day's warmth and the night's chill. On most days the high lands between 64°F and 87°F. Set against its neighbours, September runs about 11°F cooler than August and about 15°F warmer than October.

40°60°80°151015202530
Avg high (°F)Avg low (°F)
18459
28359
38358
48258
58257
68257
78156
88056
98056
108055
117955
127854
137854
147853
157753
167753
177652
187652
197551
207551
217450
227450
237450
247349
257349
267349
277248
287248
297147
307147

How September really feels in North Salt Lake

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
0
heat index over the day's high
Days feeling ≤ 32°F
0
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.

North Salt Lake 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.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan36° / 20°2.19.78.69.40.0
Feb41° / 24°1.88.1610.40.2
Mar52° / 32°2.09.55.111.72.7
Apr59° / 38°2.611.23.513.14.4
May69° / 47°2.29.10.414.26.7
Jun80° / 55°1.14.4014.97.4
Jul90° / 64°0.42.8014.65.0
Aug88° / 63°0.53.4013.65.5
Sep77° / 53°1.44.7012.37.9
Oct62° / 41°1.86.61.210.96.1
Nov47° / 29°1.78.25.19.71.8
Dec36° / 21°1.98.87.99.10.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 66% of the time in September, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 14% of September, with mostly cloudy or overcast conditions the remaining 20%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
18416
28416
38317
48317
58317
68317
78317
88218
98218
108218
118218
128119
138119
148020
158020
168020
178020
188020
198020
207921
217921
227921
237921
247822
257822
267822
277822
287723
297624
307624

Chance of precipitation in September

Any precipitation

North Salt Lake gets around 1.4 in of rain over 4.7 wet days in September. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 16% and peaks near 19% on the wettest days.

0%10%20%30%151015202530
Rain chance (%)
113
213
313
413
514
614
715
815
915
1016
1116
1216
1317
1417
1517
1617
1717
1817
1917
2017
2116
2216
2316
2417
2517
2617
2718
2818
2918
3019

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 99% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)
1973
2973
3973
4973
5973
6973
7973
8973
9973
10982
11982
12982
13982
14991
15991
16991
17991
18991
19991
201000
211000
221000
231000
241000
251000
261000
271000
281000
291000
301000

Wind in September

Winds average 5 mph in September.

Across September, daily wind ranges from about 4 mph on the calmest days to 5 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (mph)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
294calm
304calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 13 hours 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 84 minutes over September. Sunrise moves from 5:59 AM to 6:28 AM, and sunset from 6:56 PM to 6:05 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.05:596:56
212.96:006:54
312.96:016:53
412.86:026:51
512.86:036:49
612.76:046:47
712.76:056:46
812.66:066:44
912.66:076:42
1012.56:086:41
1112.56:096:39
1212.56:106:37
1312.46:116:35
1412.46:126:33
1512.36:136:32
1612.36:146:30
1712.26:156:28
1812.26:166:26
1912.16:176:25
2012.16:186:23
2112.06:196:21
2212.06:206:19
2311.96:216:18
2411.96:226:16
2511.86:236:14
2611.86:246:12
2711.86:256:11
2811.76:266:09
2911.76:276:07
3011.66:286:05

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.71 kWh/m².

For context, solar energy here swings from a low near 2.1 kWh/m² to a high of 8.09 kWh/m² in June across the year — September's 5.71 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
16.4Intense
26.4Intense
36.3Intense
46.3Intense
56.2Intense
66.2Intense
76.1Intense
86.1Intense
96.0Intense
106.0Bright
115.9Bright
125.9Bright
135.8Bright
145.8Bright
155.7Bright
165.7Bright
175.6Bright
185.6Bright
195.5Bright
205.5Bright
215.4Bright
225.4Bright
235.3Bright
245.3Bright
255.2Bright
265.1Bright
275.1Bright
285.0Bright
295.0Bright
304.9Bright
Planning a trip in September

Is September a good time to visit North Salt Lake?

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

7.9
Sightseeing
1st-best month of the year
7.0
Beach & pool
4th-best month of the year

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

What to pack for North Salt Lake in September

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

In September, North Salt Lake sees daytime highs around 77°F and nights near 53°F. Worth packing: light clothes and sun protection. About 5 days see rain.

light clothessun protection

UV index in North Salt Lake 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 North Salt Lake peaks around June 23 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 at about 2 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateJun 23UV 10Dec 21UV 2
UV index (midday)Level
Jan2Moderate
Feb3Moderate
Mar5Moderate
Apr5Moderate
May7Very high
Jun10Very high
Jul10Very high
Aug9Very high
Sep7Very high
Oct5Moderate
Nov3Moderate
Dec2Moderate

Air quality in North Salt Lake 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 North Salt Lake 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).

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodGoodModerateGoodSep 1521 µg/m³Jun 149 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb11Good
Mar12Moderate
Apr10Good
May10Good
Jun9Good
Jul11Good
Aug14Moderate
Sep22Moderate
Oct12Good
Nov9Good
Dec9Good
Location & terrain

Where is North Salt Lake?

North Salt Lake sits at 40.8°N, 111.9°W, 4,337 ft above sea level, in United States. The nearest listed city is Bountiful, 3.1 mi away.

Topography around North Salt Lake

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

Within 2 miles, the terrain around North Salt Lake has significant variations in elevation — a maximum elevation change of 1,644 ft around an average of 4,531 ft above sea level; within 10 miles, very significant variations in elevation — a maximum elevation change of 5,138 ft; within 50 miles, very significant variations in elevation — a maximum elevation change of 7,346 ft.

The land around North Salt Lake is covered by artificial surfaces (51%) and trees (21%) within 2 miles, trees (30%) and grassland (29%) within 10 miles, and grassland (38%) and trees (27%) within 50 miles.

2 miles
1,644 ft
10 miles
5,138 ft
50 miles
7,346 ft
treesshrubsgrasslandcroplandartificial surfacesbare terrainwaterwetland
September weather nearby: Bountiful 3.1 mi · Centerville 5.0 mi · Salt Lake City 6.2 mi · South Salt Lake 9.3 mi · Farmington 9.3 mi · Millcreek 11 mi · East Millcreek 11 mi · West Valley City 12 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
Protestant 47%unaffiliated 23%Roman Catholic 21%Jewish 2%

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 North Salt Lake (40.8486°, -111.9069°, elevation 4,337 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).