Holland weather in September

In September, Holland sees average daytime highs of 71°F and overnight lows near 57°F, with 3.3 in of rain across 10 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 75°F in the first days to 66°F by the end. The sky is clear or mostly clear about 38% 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 Holland's 3rd-clearest and 9th-windiest month. For the whole year in context, see Holland's year-round climate.

Daytime high
71°
4th warmest
Overnight low
57°
9th coldest
Rainfall
3.3 in
10 wet days
Daylight
12 h 18 min
6:30 AM – 6:47 PM
Cloud cover
52%
3rd clearest
Wind
9 mph
9th windiest
Solar energy
4.41 kWh/m²
Travel score
6.7
out of 10

Holland is city in Ottawa and Allegan counties in Michigan, United States.

Density
751/km²
people per km²
Founded
1847

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 75°F in the first days to 66°F by the end.

A typical September day in Holland reaches about 71°F in the afternoon and slips back to 57°F overnight — a 14°F spread between the day's warmth and the night's chill. On most days the high lands between 62°F and 80°F. Set against its neighbours, September runs about 6°F cooler than August and about 12°F warmer than October.

40°50°60°70°80°151015202530
Avg high (°F)Avg low (°F)
17662
27662
37561
47561
57561
67460
77460
87460
97359
107359
117359
127358
137258
147258
157157
167157
177156
187056
197056
206955
216955
226955
236854
246854
256753
266753
276753
286652
296652
306551

How September really feels in Holland

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.

Holland 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° / 22°2.812.511.49.20.0
Feb32° / 21°2.18.77.310.30.0
Mar41° / 28°2.59.8411.60.4
Apr53° / 39°4.012.21.613.12.8
May64° / 49°4.312.1014.45.3
Jun74° / 61°3.810.8015.16.7
Jul79° / 65°4.011014.86.7
Aug77° / 64°3.910.6013.76.9
Sep71° / 57°3.310012.36.7
Oct59° / 46°3.711.70.210.84.3
Nov46° / 36°3.011.43.39.61.2
Dec36° / 28°2.712.39.58.90.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 38% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 17% of September, with mostly cloudy or overcast conditions the remaining 44%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
16040
26040
36040
46040
56040
66040
75941
85941
95842
105842
115743
125743
135644
145644
155545
165545
175446
185446
195446
205446
215347
225347
235347
245347
255248
265248
275248
285248
295248
305248

Chance of precipitation in September

Any precipitation

Holland gets around 3.3 in of rain over 10 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 33% and peaks near 40% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)
129
229
329
429
529
629
729
830
930
1030
1131
1231
1332
1432
1533
1633
1733
1834
1934
2035
2136
2236
2337
2438
2539
2639
2739
2840
2940
3039

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 (%)
1262523197
2272622187
3292622176
4302622165
5322721165
6342721154
7352720144
8372720143
9382620133
10402619132
11412619122
12422619112
13442618111
14452518101
15472517101
1649251691
1750241691
1853241580
1954241480
2057231370
2159221270
2261221160
2363211060
246521950
256720850
266720850
277019740
287019740
297218640
307417630

Wind in September

Winds average 9 mph in September.

Across September, daily wind ranges from about 8 mph on the calmest days to 10 mph at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (mph)Feels
18light breeze
28light breeze
38light breeze
48light breeze
58light breeze
68light breeze
78light breeze
88light breeze
98light breeze
108light breeze
118light breeze
128light breeze
138light breeze
149light breeze
159light breeze
169light breeze
179light breeze
189light breeze
199light breeze
209light breeze
219light breeze
229light breeze
239light breeze
249light breeze
259light breeze
269light breeze
279light breeze
289light breeze
2910light breeze
3010light 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 6:13 AM to 6:46 AM, and sunset from 7:15 PM to 6:21 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.06:137:15
213.06:157:13
312.96:167:11
412.96:177:09
512.86:187:08
612.86:197:06
712.76:207:04
812.76:217:02
912.66:227:00
1012.66:236:58
1112.56:256:57
1212.56:266:55
1312.46:276:53
1412.46:286:51
1512.36:296:49
1612.36:306:47
1712.26:316:45
1812.26:326:44
1912.16:346:42
2012.16:356:40
2112.06:366:38
2212.06:376:36
2311.96:386:34
2411.96:396:32
2511.86:406:31
2611.86:416:29
2711.76:436:27
2811.76:446:25
2911.66:456:23
3011.66:466:21

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.41 kWh/m².

For context, solar energy here swings from a low near 1.3 kWh/m² to a high of 6.67 kWh/m² in June across the year — September's 4.41 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.1Bright
25.0Bright
35.0Bright
44.9Bright
54.9Bright
64.8Bright
74.8Bright
84.8Bright
94.7Bright
104.7Bright
114.6Bright
124.5Bright
134.5Bright
144.5Bright
154.4Bright
164.4Bright
174.3Bright
184.3Bright
194.2Bright
204.2Bright
214.1Bright
224.1Bright
234.0Bright
244.0Moderate
253.9Moderate
263.9Moderate
273.9Moderate
283.8Moderate
293.8Moderate
303.7Moderate
Planning a trip in September

Is September a good time to visit Holland?

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

6.7
Sightseeing
2nd-best month of the year
4.4
Beach & pool
4th-best month of the year

September is a reasonable time to visit Holland for sightseeing.

What to pack for Holland in September

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

In September, Holland sees daytime highs around 71°F and nights near 57°F. Worth packing: rain gear. About 10 days see rain.

rain gear

Sea temperature near Holland in September

The nearest coast averages about 67°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 15 mi away) is warmest in August at about 71°F and coldest in March near 36°F.

It's comfortable for a long swim from Jul 20 to Sep 8 — about 1.7 months when the water holds above 68°F.

30°40°50°60°70°80°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°F)Comfort
Jan39Bracing
Feb37Bracing
Mar36Bracing
Apr38Bracing
May44Bracing
Jun56Bracing
Jul68Cool
Aug71Refreshing
Sep67Cool
Oct58Bracing
Nov49Bracing
Dec43Bracing

UV index in Holland 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 Holland peaks around June 21 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 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 21UV 9Dec 21UV 1
UV index (midday)Level
Jan2Low
Feb2Moderate
Mar4Moderate
Apr6High
May7Very high
Jun9Very high
Jul9Very high
Aug7Very high
Sep6High
Oct3Moderate
Nov2Moderate
Dec1Low

Air quality in Holland 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 Holland is worst in June — around 16 µg/m³ PM2.5 (moderate), about 2.4× the cleanest month (November, 7 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJun 2216 µg/m³Nov 137 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb10Good
Mar12Moderate
Apr13Moderate
May15Moderate
Jun16Moderate
Jul16Moderate
Aug14Moderate
Sep11Good
Oct7Good
Nov7Good
Dec7Good
Location & terrain

Where is Holland?

Holland sits at 42.8°N, 86.1°W, 610 ft above sea level, in United States. The nearest listed city is Allendale, 15 mi away.

Topography around Holland

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

Within 2 miles, the terrain around Holland has only modest variations in elevation — a maximum elevation change of 144 ft around an average of 620 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 262 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 600 ft.

The land around Holland is covered by artificial surfaces (38%) and trees (37%) within 2 miles, trees (29%), cropland (27%) and water (20%) within 10 miles, and water (39%) and trees (35%) within 50 miles.

2 miles
144 ft
10 miles
262 ft
50 miles
600 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Allendale 15 mi · Jenison 18 mi · Grandville 19 mi · Wyoming 22 mi · Walker 23 mi · Kentwood 24 mi · Grand Rapids 25 mi · Norton Shores 27 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 Holland (42.7875°, -86.1089°, elevation 610 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).