Berkley weather in September

In September, Berkley sees average daytime highs of 73°F and overnight lows near 55°F, with 2.7 in of rain across 9 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 Berkley's 1st-clearest and 9th-windiest month. For the whole year in context, see Berkley's year-round climate.

Daytime high
73°
4th warmest
Overnight low
55°
9th coldest
Rainfall
2.7 in
9 wet days
Daylight
12 h 18 min
6:19 AM – 6:36 PM
Cloud cover
55%
1st clearest
Wind
7 mph
9th windiest
Solar energy
4.32 kWh/m²
Travel score
6.9
out of 10

Berkley is suburb of Detroit in Oakland County, Michigan, United States.

Density
2,254/km²
people per km²
Founded
1923

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 Berkley reaches about 73°F in the afternoon and slips back to 55°F overnight — a 18°F spread between the day's warmth and the night's chill. On most days the high lands between 62°F and 83°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)
17760
27760
37760
47759
57659
67658
77658
87558
97557
107557
117457
127456
137456
147356
157355
167355
177254
187254
197154
207153
217153
227052
237052
246952
256951
266851
276850
286850
296750
306749

How September really feels in Berkley

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.

Berkley 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° / 19°2.39.66.19.20.0
Feb34° / 20°2.07.95.810.30.0
Mar44° / 28°2.49.73.811.60.9
Apr57° / 39°3.6121.513.13.7
May68° / 50°3.712.8014.45.8
Jun78° / 60°3.711.2015.16.5
Jul82° / 64°3.111.4014.86.2
Aug79° / 62°3.110.3013.76.6
Sep73° / 55°2.79012.36.9
Oct60° / 44°2.89.60.210.84.8
Nov46° / 34°2.69.31.89.61.4
Dec36° / 25°2.29.24.98.90.0

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 18% of September, with mostly cloudy or overcast conditions the remaining 47%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15644
25743
35743
45644
55644
65644
75644
85644
95545
105446
115446
125347
135347
145248
155248
165248
175248
185248
195248
205149
215149
225149
235050
245050
254951
264951
274951
284951
295050
305050

Chance of precipitation in September

Any precipitation

Berkley gets around 2.7 in of rain over 9 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 30% and peaks near 32% on the wettest days.

0%10%20%30%40%151015202530
Rain chance (%)
130
231
331
431
531
631
730
830
930
1030
1130
1230
1330
1430
1529
1629
1729
1829
1929
2029
2129
2230
2330
2431
2531
2632
2732
2832
2932
3032

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 52% of days. Sticky, muggy-or-worse air turns up on roughly 11% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1272722213
2292721203
3302721193
4322720183
5342820172
6362819162
7372719152
8392718142
9412718132
10422717121
11442617111
12462617111
13472616101
14492516101
1550251591
1653241580
1754241480
1856231470
1958221370
2059211370
2161211260
2263201160
2365191150
2467181050
2568181040
267017940
277216930
287216930
297415830
307514830

Wind in September

Winds average 7 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.

0246810151015202530
Wind speed (mph)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237light breeze
247light 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 6:02 AM to 6:34 AM, and sunset from 7:03 PM to 6:10 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.06:027:03
213.06:037:01
312.96:046:59
412.96:056:57
512.86:066:56
612.86:086:54
712.76:096:52
812.76:106:50
912.66:116:48
1012.66:126:47
1112.56:136:45
1212.56:146:43
1312.46:156:41
1412.46:166:39
1512.36:176:37
1612.36:196:36
1712.26:206:34
1812.26:216:32
1912.16:226:30
2012.16:236:28
2112.06:246:26
2212.06:256:24
2311.96:266:23
2411.96:276:21
2511.86:296:19
2611.86:306:17
2711.76:316:15
2811.76:326:13
2911.66:336:12
3011.66:346:10

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.32 kWh/m².

For context, solar energy here swings from a low near 1.42 kWh/m² to a high of 6.34 kWh/m² in June across the year — September's 4.32 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
14.9Bright
24.8Bright
34.8Bright
44.8Bright
54.7Bright
64.7Bright
74.7Bright
84.6Bright
94.6Bright
104.5Bright
114.5Bright
124.4Bright
134.4Bright
144.4Bright
154.3Bright
164.3Bright
174.2Bright
184.2Bright
194.2Bright
204.1Bright
214.1Bright
224.0Bright
234.0Moderate
243.9Moderate
253.9Moderate
263.9Moderate
273.8Moderate
283.8Moderate
293.7Moderate
303.7Moderate
Planning a trip in September

Is September a good time to visit Berkley?

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

6.9
Sightseeing
1st-best month of the year
5.0
Beach & pool
4th-best month of the year

September is a reasonable time to visit Berkley for sightseeing.

What to pack for Berkley in September

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

In September, Berkley sees daytime highs around 73°F and nights near 55°F. Worth packing: light clothes and rain gear. About 9 days see rain.

light clothesrain gear

Sea temperature near Berkley 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 18 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 Berkley 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 Berkley 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 Berkley 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 Berkley 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 Berkley?

Berkley sits at 42.5°N, 83.2°W, 686 ft above sea level, in United States. The nearest listed city is Royal Oak, 2.5 mi away.

Topography around Berkley

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

Within 2 miles, the terrain around Berkley has only modest variations in elevation — a maximum elevation change of 141 ft around an average of 699 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 466 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 915 ft.

The land around Berkley is covered by trees (52%) and artificial surfaces (40%) within 2 miles, trees (47%) and artificial surfaces (40%) within 10 miles, and trees (35%) and cropland (28%) within 50 miles.

2 miles
141 ft
10 miles
466 ft
50 miles
915 ft
treesgrasslandcroplandartificial surfaceswaterwetland
September weather nearby: Royal Oak 2.5 mi · Southfield 3.1 mi · Oak Park 3.1 mi · Birmingham 3.1 mi · Ferndale 3.7 mi · Madison Heights 4.3 mi · Hazel Park 5.0 mi · Troy 7.5 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 Berkley (42.5031°, -83.1835°, elevation 686 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).