Farmington Hills weather in September

In September, Farmington Hills sees average daytime highs of 72°F and overnight lows near 54°F, with 2.8 in of rain across 9.1 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 67°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 Farmington Hills's 1st-clearest and 9th-windiest month. For the whole year in context, see Farmington Hills's year-round climate.

Daytime high
72°
4th warmest
Overnight low
54°
9th coldest
Rainfall
2.8 in
9.1 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
4.29 kWh/m²
Travel score
6.8
out of 10

Farmington Hills is city in Oakland County, Michigan, United States.

Density
943/km²
people per km²
Founded
1824

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 67°F by the end.

A typical September day in Farmington Hills reaches about 72°F in the afternoon and slips back to 54°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)
17759
27759
37759
47658
57658
67658
77657
87557
97557
107556
117456
127456
137455
147355
157354
167354
177254
187253
197153
207152
217152
227052
237051
246951
256950
266850
276850
286749
296749
306749

How September really feels in Farmington Hills

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.

Farmington Hills 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°2.49.86.29.20.0
Feb34° / 20°2.07.85.710.30.0
Mar44° / 28°2.49.7411.60.9
Apr57° / 39°3.612.11.713.13.7
May68° / 49°3.812.6014.45.8
Jun78° / 59°3.711.2015.16.5
Jul81° / 64°3.211.5014.86.3
Aug79° / 62°3.210.2013.76.6
Sep72° / 54°2.89.1012.36.8
Oct60° / 43°2.89.80.210.84.7
Nov46° / 33°2.69.41.99.61.3
Dec36° / 25°2.29.25.18.90.0

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 17% of September, with mostly cloudy or overcast conditions the remaining 48%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15644
25644
35644
45644
55644
65644
75644
85545
95545
105545
115446
125347
135347
145347
155248
165248
175149
185149
195149
205050
215149
225050
234951
244951
254951
264852
274852
284852
294852
304951

Chance of precipitation in September

Any precipitation

Farmington Hills gets around 2.8 in of rain over 9.1 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
230
330
430
530
630
730
830
930
1030
1130
1230
1330
1430
1530
1630
1729
1829
1929
2029
2130
2230
2330
2431
2532
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 55% of days. Sticky, muggy-or-worse air turns up on roughly 9% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1292922192
2302921182
3322921172
4342920162
5362919152
6382819142
7402818131
8422818121
9432717111
10452717111
11472616101
1248261691
1350251591
1451251581
1554241480
1655241470
1757231370
1859221360
1961211260
2063201160
2165191150
2267181050
236918940
247017940
257216840
267415830
277514830
287514830
297813720
307912720

Wind in September

Winds average 7 mph in September.

Across September, daily wind ranges from about 6 mph on the calmest days to 8 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (mph)Feels
16calm
26calm
36calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277light 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 6:03 AM to 6:35 AM, and sunset from 7:04 PM to 6:11 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.06:037:04
213.06:047:02
312.96:057:00
412.96:066:58
512.86:076:56
612.86:086:55
712.76:096:53
812.76:116:51
912.66:126:49
1012.66:136:47
1112.56:146:46
1212.56:156:44
1312.46:166:42
1412.46:176:40
1512.36:186:38
1612.36:196:36
1712.26:206:34
1812.26:226:33
1912.16:236:31
2012.16:246:29
2112.06:256:27
2212.06:266:25
2311.96:276:23
2411.96:286:22
2511.86:296:20
2611.86:306:18
2711.76:326:16
2811.76:336:14
2911.66:346:12
3011.66:356:11

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.29 kWh/m².

For context, solar energy here swings from a low near 1.41 kWh/m² to a high of 6.29 kWh/m² in June across the year — September's 4.29 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
14.8Bright
24.8Bright
34.8Bright
44.7Bright
54.7Bright
64.7Bright
74.6Bright
84.6Bright
94.5Bright
104.5Bright
114.5Bright
124.4Bright
134.4Bright
144.3Bright
154.3Bright
164.3Bright
174.2Bright
184.2Bright
194.1Bright
204.1Bright
214.0Bright
224.0Bright
234.0Moderate
243.9Moderate
253.9Moderate
263.8Moderate
273.8Moderate
283.7Moderate
293.7Moderate
303.7Moderate
Planning a trip in September

Is September a good time to visit Farmington Hills?

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

6.8
Sightseeing
1st-best month of the year
4.9
Beach & pool
4th-best month of the year

September is a reasonable time to visit Farmington Hills for sightseeing.

What to pack for Farmington Hills in September

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

In September, Farmington Hills sees daytime highs around 72°F and nights near 54°F. Worth packing: light clothes and rain gear. About 9 days see rain.

light clothesrain gear

Sea temperature near Farmington Hills 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 27 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 Farmington Hills 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 Farmington Hills 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 Farmington Hills 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 Farmington Hills 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 Farmington Hills?

Farmington Hills sits at 42.5°N, 83.4°W, 850 ft above sea level, in United States. The nearest listed city is Novi, 5.0 mi away.

Topography around Farmington Hills

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

Within 2 miles, the terrain around Farmington Hills has only modest variations in elevation — a maximum elevation change of 249 ft around an average of 820 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 518 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 915 ft.

The land around Farmington Hills is covered by trees (64%) and artificial surfaces (21%) within 2 miles, trees (57%) and artificial surfaces (26%) within 10 miles, and trees (37%) and cropland (26%) within 50 miles.

2 miles
249 ft
10 miles
518 ft
50 miles
915 ft
treesgrasslandcroplandartificial surfaceswaterwetland
September weather nearby: Novi 5.0 mi · West Bloomfield Township 5.6 mi · Southfield 8.1 mi · Redford 8.1 mi · Livonia 8.1 mi · Birmingham 9.3 mi · Berkley 9.9 mi · Oak Park 9.9 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 Farmington Hills (42.4853°, -83.3772°, elevation 850 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).