Sterling Heights weather in September

In September, Sterling Heights sees average daytime highs of 73°F and overnight lows near 56°F, with 2.6 in of rain across 8.3 wet days and about 12.3 hours of daylight. It is the 4th-warmest and 7th-wettest month of the year here.

Highs ease over the month, from about 77°F in the first days to 68°F by the end. The sky is clear or mostly clear about 35% 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 Sterling Heights's 1st-clearest and 9th-windiest month. For the whole year in context, see Sterling Heights's year-round climate.

Daytime high
73°
4th warmest
Overnight low
56°
9th coldest
Rainfall
2.6 in
8.3 wet days
Daylight
12 h 18 min
6:18 AM – 6:35 PM
Cloud cover
54%
1st clearest
Wind
8 mph
9th windiest
Solar energy
4.34 kWh/m²
Travel score
7.0
out of 10

Sterling Heights is city in Macomb County, Michigan, United States.

Density
1,386/km²
people per km²
Founded
1968

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 77°F in the first days to 68°F by the end.

A typical September day in Sterling Heights reaches about 73°F in the afternoon and slips back to 56°F overnight — a 17°F spread between the day's warmth and the night's chill. On most days the high lands between 63°F and 82°F. Set against its neighbours, September runs about 7°F cooler than August and about 13°F warmer than October.

40°60°80°151015202530
Avg high (°F)Avg low (°F)
17861
27761
37761
47760
57660
67660
77659
87559
97559
107558
117458
127457
137457
147357
157356
167356
177255
187255
197155
207154
217154
227053
237053
246953
256952
266852
276852
286851
296751
306751

How September really feels in Sterling Heights

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.

Sterling Heights weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan31° / 20°2.39.55.69.20.0
Feb34° / 21°2.07.95.610.30.0
Mar44° / 28°2.39.83.811.60.8
Apr56° / 40°3.411.81.213.13.6
May68° / 51°3.512.3014.45.8
Jun78° / 61°3.411.1015.16.5
Jul82° / 65°2.910.9014.86.3
Aug80° / 64°2.89.6013.76.7
Sep73° / 56°2.68.3012.37.0
Oct60° / 45°2.79.20.110.84.8
Nov47° / 35°2.58.91.79.61.4
Dec36° / 26°2.294.58.90.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 35% of the time in September, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 19% of September, with mostly cloudy or overcast conditions the remaining 47%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15743
25743
35743
45743
55743
65743
75644
85644
95545
105446
115545
125446
135347
145347
155248
165248
175248
185248
195248
205149
215248
225248
235149
245149
255050
265050
275149
285050
295050
305050

Chance of precipitation in September

Any precipitation

Sterling Heights gets around 2.6 in of rain over 8.3 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 28% and peaks near 31% on the wettest days.

0%10%20%30%40%151015202530
Rain chance (%)
128
228
328
428
528
628
728
828
927
1027
1127
1227
1327
1427
1527
1627
1727
1826
1926
2027
2127
2228
2328
2429
2530
2630
2731
2831
2931
3031

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 49% of days. Sticky, muggy-or-worse air turns up on roughly 12% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1252623224
2262623204
3282623194
4292723184
5312722174
6332722153
7352721143
8362621143
9382621133
10392620122
11412620122
12432519112
13442519101
14462518101
1548241891
1650241791
1751231691
1854231580
1955221580
2057221470
2159211370
2261211260
2363201160
2464201060
2566191050
266719950
276918850
287117840
297217740
307316740

Wind in September

Winds average 8 mph in September.

Across September, daily wind ranges from about 7 mph on the calmest days to 8 mph at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (mph)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107light breeze
117light breeze
128light breeze
138light breeze
148light breeze
158light breeze
168light breeze
178light breeze
188light breeze
198light breeze
208light breeze
218light breeze
228light breeze
238light breeze
248light breeze
258light breeze
268light breeze
278light breeze
288light breeze
298light breeze
308light breeze

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 6:01 AM to 6:34 AM, and sunset from 7:02 PM to 6:09 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.06:017:02
213.06:037:00
312.96:046:59
412.96:056:57
512.86:066:55
612.86:076:53
712.76:086:52
812.76:096:50
912.66:106:48
1012.66:116:46
1112.56:126:44
1212.56:146:42
1312.46:156:41
1412.46:166:39
1512.36:176:37
1612.36:186:35
1712.26:196:33
1812.26:206:31
1912.16:216:29
2012.16:226:28
2112.06:236:26
2212.06:256:24
2311.96:266:22
2411.96:276:20
2511.86:286:18
2611.86:296:16
2711.76:306:15
2811.76:316:13
2911.66:336:11
3011.66:346:09

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.34 kWh/m².

For context, solar energy here swings from a low near 1.43 kWh/m² to a high of 6.39 kWh/m² in June across the year — September's 4.34 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
14.9Bright
24.9Bright
34.8Bright
44.8Bright
54.8Bright
64.7Bright
74.7Bright
84.6Bright
94.6Bright
104.5Bright
114.5Bright
124.5Bright
134.4Bright
144.4Bright
154.3Bright
164.3Bright
174.3Bright
184.2Bright
194.2Bright
204.1Bright
214.1Bright
224.0Bright
234.0Bright
244.0Moderate
253.9Moderate
263.9Moderate
273.8Moderate
283.8Moderate
293.7Moderate
303.7Moderate
Planning a trip in September

Is September a good time to visit Sterling Heights?

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

7.0
Sightseeing
1st-best month of the year
5.1
Beach & pool
4th-best month of the year

September is one of the better times to visit Sterling Heights for general sightseeing.

What to pack for Sterling Heights in September

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

In September, Sterling Heights sees daytime highs around 73°F and nights near 56°F. Worth packing: light clothes and rain gear. About 8 days see rain.

light clothesrain gear

Sea temperature near Sterling Heights in September

The nearest coast averages about 68°F in September — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 9 mi away) is warmest in August at about 73°F and coldest in February near 33°F.

It's comfortable for a long swim from Jul 2 to Sep 15 — about 2.5 months when the water holds above 68°F.

30°40°50°60°70°80°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°F)Comfort
Jan34Bracing
Feb33Bracing
Mar34Bracing
Apr41Bracing
May52Bracing
Jun64Cool
Jul72Refreshing
Aug73Refreshing
Sep68Refreshing
Oct57Bracing
Nov47Bracing
Dec39Bracing

UV index in Sterling Heights in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Sterling Heights peaks around June 20 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJun 20UV 9Dec 20UV 1
UV index (midday)Level
Jan2Low
Feb2Moderate
Mar4Moderate
Apr6High
May7High
Jun9Very high
Jul8Very high
Aug7High
Sep6High
Oct3Moderate
Nov2Moderate
Dec1Low

Air quality in Sterling Heights 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 Sterling Heights is worst in July — around 15 µg/m³ PM2.5 (moderate), about 1.9× the cleanest month (October, 8 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1415 µg/m³Oct 238 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb12Good
Mar14Moderate
Apr13Moderate
May15Moderate
Jun15Moderate
Jul15Moderate
Aug15Moderate
Sep12Moderate
Oct8Good
Nov9Good
Dec9Good
Location & terrain

Where is Sterling Heights?

Sterling Heights sits at 42.6°N, 83.0°W, 614 ft above sea level, in United States. The nearest listed city is Clinton Township, 5.6 mi away.

Topography around Sterling Heights

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

Within 2 miles, the terrain around Sterling Heights has only modest variations in elevation — a maximum elevation change of 95 ft around an average of 623 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 400 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 915 ft.

The land around Sterling Heights is covered by artificial surfaces (55%), grassland (23%) and trees (21%) within 2 miles, artificial surfaces (45%) and trees (34%) within 10 miles, and trees (33%) and cropland (31%) within 50 miles.

2 miles
95 ft
10 miles
400 ft
50 miles
915 ft
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
September weather nearby: Clinton Township 5.6 mi · Shelby 6.2 mi · Warren 6.2 mi · Troy 6.2 mi · Roseville 7.5 mi · Madison Heights 7.5 mi · Mount Clemens 8.1 mi · Rochester Hills 8.1 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 Sterling Heights (42.5803°, -83.0302°, elevation 614 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).