West Bend weather in September

In September, West Bend sees average daytime highs of 71°F and overnight lows near 53°F, with 2.9 in of rain across 9.3 wet days and about 12.3 hours of daylight. It is the 4th-warmest and 6th-wettest month of the year here.

Highs ease over the month, from about 76°F in the first days to 66°F by the end. The sky is clear or mostly clear about 36% 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 West Bend's 1st-clearest and 9th-windiest month. For the whole year in context, see West Bend's year-round climate.

Daytime high
71°
4th warmest
Overnight low
53°
9th coldest
Rainfall
2.9 in
9.3 wet days
Daylight
12 h 18 min
5:38 AM – 5:56 PM
Cloud cover
53%
1st clearest
Wind
8 mph
9th windiest
Solar energy
4.25 kWh/m²
Travel score
6.7
out of 10

West Bend is city in Washington County, Wisconsin, United States.

Density
804/km²
people per km²
Founded
1885

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 76°F in the first days to 66°F by the end.

A typical September day in West Bend reaches about 71°F in the afternoon and slips back to 53°F overnight — a 18°F spread between the day's warmth and the night's chill. On most days the high lands between 60°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)
17658
27658
37658
47557
57557
67557
77456
87456
97456
107355
117355
127355
137254
147254
157153
167153
177153
187052
197052
206951
216951
226951
236850
246850
256749
266749
276649
286648
296548
306547

How September really feels in West Bend

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.

West Bend weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan27° / 13°1.68.16.89.10.0
Feb31° / 16°1.66.75.810.20.0
Mar42° / 26°2.38.94.511.60.6
Apr55° / 37°3.811.9213.23.2
May66° / 47°3.711.5014.55.7
Jun76° / 58°3.711.3015.26.6
Jul80° / 63°3.210.2014.96.5
Aug78° / 61°3.610.9013.86.7
Sep71° / 53°2.99.3012.36.7
Oct58° / 42°2.99.30.310.84.3
Nov44° / 31°2.18.12.19.50.8
Dec32° / 20°1.97.55.68.80.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 36% 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 47%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15743
25743
35743
45644
55743
65743
75644
85644
95644
105644
115545
125446
135446
145347
155347
165248
175248
185248
195248
205248
215248
225248
235248
245149
255050
265149
275050
285050
295050
305050

Chance of precipitation in September

Any precipitation

West Bend gets around 2.9 in of rain over 9.3 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 32% and peaks near 34% on the wettest days.

0%10%20%30%40%151015202530
Rain chance (%)
130
230
330
429
529
629
729
829
929
1030
1130
1231
1331
1432
1532
1632
1732
1833
1933
2033
2133
2234
2334
2434
2534
2634
2734
2833
2933
3033

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 59% of days. Sticky, muggy-or-worse air turns up on roughly 8% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1342422172
2362422162
3382322152
4402321142
5422321131
6442221121
7462220111
8472120101
9492119101
1050211991
1152201891
1253201881
1354201781
1458191670
1559191570
1660191560
1762181460
1864181350
1966171250
2067161250
2169161140
2271151040
237314940
247414930
257613830
267812730
277812730
288111620
298210620
30839620

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
107calm
117calm
127light breeze
137light 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 5:21 AM to 5:55 AM, and sunset from 6:24 PM to 5:29 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.05:216:24
213.05:226:22
312.95:236:20
412.95:256:18
512.85:266:16
612.85:276:15
712.75:286:13
812.75:296:11
912.65:306:09
1012.65:316:07
1112.55:336:05
1212.55:346:03
1312.45:356:02
1412.45:366:00
1512.35:375:58
1612.35:385:56
1712.25:395:54
1812.25:415:52
1912.15:425:50
2012.15:435:48
2112.05:445:46
2212.05:455:44
2311.95:465:43
2411.95:485:41
2511.85:495:39
2611.85:505:37
2711.75:515:35
2811.75:525:33
2911.65:535:31
3011.65:555:29

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.25 kWh/m².

For context, solar energy here swings from a low near 1.49 kWh/m² to a high of 6.38 kWh/m² in June across the year — September's 4.25 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
14.9Bright
24.8Bright
34.8Bright
44.7Bright
54.7Bright
64.6Bright
74.6Bright
84.5Bright
94.5Bright
104.4Bright
114.4Bright
124.3Bright
134.3Bright
144.3Bright
154.2Bright
164.2Bright
174.1Bright
184.1Bright
194.1Bright
204.0Bright
214.0Moderate
224.0Moderate
233.9Moderate
243.9Moderate
253.8Moderate
263.8Moderate
273.8Moderate
283.7Moderate
293.7Moderate
303.6Moderate
Planning a trip in September

Is September a good time to visit West Bend?

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

6.7
Sightseeing
1st-best month of the year
4.4
Beach & pool
4th-best month of the year

September is a reasonable time to visit West Bend for sightseeing.

What to pack for West Bend in September

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

In September, West Bend sees daytime highs around 71°F and nights near 53°F. Worth packing: rain gear. About 9 days see rain.

rain gear

Sea temperature near West Bend in September

The nearest coast averages about 65°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 16 mi away) is warmest in August at about 70°F and coldest in March near 36°F.

It's comfortable for a long swim from Jul 31 to Aug 28 — about 1 month when the water holds above 68°F.

30°40°50°60°70°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarm
Sea temperature (°F)Comfort
Jan38Bracing
Feb36Bracing
Mar36Bracing
Apr38Bracing
May42Bracing
Jun54Bracing
Jul66Cool
Aug70Refreshing
Sep65Cool
Oct55Bracing
Nov46Bracing
Dec41Bracing

UV index in West Bend in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in West Bend peaks around June 18 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 1 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 18UV 9Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb2Moderate
Mar4Moderate
Apr6High
May8Very high
Jun9Very high
Jul8Very high
Aug7Very high
Sep5High
Oct3Moderate
Nov2Low
Dec1Low

Air quality in West Bend 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 West Bend is worst in July — around 15 µg/m³ PM2.5 (moderate), about 2.0× the cleanest month (November, 8 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateModerateGoodJul 1415 µg/m³Nov 118 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb12Moderate
Mar13Moderate
Apr12Good
May13Moderate
Jun14Moderate
Jul15Moderate
Aug14Moderate
Sep11Good
Oct8Good
Nov8Good
Dec9Good
Location & terrain

Where is West Bend?

West Bend sits at 43.4°N, 88.2°W, 896 ft above sea level, in United States. The nearest listed city is Germantown, 14 mi away.

Topography around West Bend

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

Within 2 miles, the terrain around West Bend has only modest variations in elevation — a maximum elevation change of 253 ft around an average of 955 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 538 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 846 ft.

The land around West Bend is covered by trees (41%), artificial surfaces (32%) and grassland (20%) within 2 miles, trees (40%), cropland (31%) and grassland (24%) within 10 miles, and cropland (35%) and water (30%) within 50 miles.

2 miles
253 ft
10 miles
538 ft
50 miles
846 ft
treesgrasslandcroplandartificial surfaceswater
September weather nearby: Germantown 14 mi · Mequon 16 mi · Menomonee Falls 17 mi · Brookfield 25 mi · Oconomowoc 27 mi · Fond du Lac 27 mi · Wauwatosa 27 mi · Waukesha 29 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 West Bend (43.4253°, -88.1834°, elevation 896 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).