Muskego in Fall

In fall (September, October and November), Muskego sees average daytime highs around 59°F and overnight lows near 43°F, with 8.0 in of precipitation over about 26 wet days across the season. It is the 2nd-warmest season and the 3rd-wettest season.

Over the season highs ease from about 76°F in early September to 39°F by late November. The sky is clear or mostly clear about 31% of the time across fall, and the air most often feels dry.

Fall is Muskego's 2nd-best season to visit on our travel score. For the whole year in context, see Muskego's year-round climate.

Avg daytime high
59°F
2nd-warmest season
Avg overnight low
43°F
Precipitation
8.0 in
26 wet days
Avg wind
8 mph
Travel score
4.2
2nd-best season
Months
Sep · Oct · Nov

Temperature in Muskego in Fall

Average highAverage lowShaded bands: 10–90% of days

Over the season highs ease from about 76°F in early September to 39°F by late November.

A typical fall day in Muskego reaches about 59°F and drops to 43°F overnight. The warmest of the three months is September, the coolest November.

20°40°60°80°SepOctNov

How fall really feels in Muskego

Once humidity and wind are folded in, fall brings about 0 days that feel above 90°F and 32 that feel at or below 32°F.

Days feeling ≥ 90°F
0
heat index over the day's high
Days feeling ≤ 32°F
32
wind chill below the day's low

The story in fall is cold — wind chill drags the overnight "feels like" below the raw low.

Muskego weather by month

How the three fall months (September, October and November) compare with the rest of the year — the season's months are highlighted.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan28° / 15°1.88.36.89.20.0
Feb32° / 18°1.775.610.20.0
Mar43° / 28°2.39.34.111.60.8
Apr55° / 38°4.012.11.713.13.4
May67° / 49°3.811.7014.45.8
Jun77° / 59°3.811.2015.16.5
Jul81° / 64°3.410.1014.86.5
Aug79° / 62°3.610.3013.86.7
Sep72° / 54°3.08.7012.36.9
Oct59° / 43°2.98.90.310.84.7
Nov45° / 32°2.28.11.99.51.1
Dec33° / 21°2.07.85.18.90.0

Cloud cover in Fall

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 31% of the time across fall.

0%25%50%75%100%SepOctNov

Chance of precipitation in Fall

Any precipitationSnow

Muskego gets around 8.0 in of rain and snow over 26 wet days across fall. The line is the day-by-day chance of measurable precipitation.

0%10%20%30%40%SepOctNov

Humidity in Fall

DryComfortableHumidMuggyOppressiveMiserable

Most of fall feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

0%25%50%75%100%SepOctNov

Wind in Fall

Winds average 8 mph across fall.

051015SepOctNov

Sunrise & sunset in Fall

DaylightNight

Daylight runs from about 13 hours in early September to 9 h 06 min by late November. The lit band spans sunrise to sunset each day.

12 AM4 AM8 AM12 PM4 PM8 PM12 AMSepOctNov

Solar energy in Fall

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day across fall, about 3.1 kWh/m².

024SepOctNov
Planning a trip in fall

Is fall a good time to visit Muskego?

Our two travel scores rate fall for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.

4.2
Sightseeing
2nd-best month of the year
1.9
Beach & pool
2nd-best month of the year

fall is a reasonable time to visit Muskego for sightseeing.

What to pack for Muskego in Fall

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

In fall, Muskego sees daytime highs around 59°F and nights near 43°F. Pack a warm layer. Worth having: light clothes, a heavy coat and rain gear. About 26 days see rain.

a warm layerlight clothesa heavy coatrain gear

Sea temperature near Muskego in Fall

The nearest coast averages about 56°F across fall — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 14 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 24 to Sep 2 — about 1.3 months when the water holds above 68°F.

30°40°50°60°70°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarm
Sea temperature (°F)Comfort
Jan38Bracing
Feb36Bracing
Mar36Bracing
Apr38Bracing
May43Bracing
Jun55Bracing
Jul67Cool
Aug70Refreshing
Sep66Cool
Oct56Bracing
Nov47Bracing
Dec41Bracing

UV index in Muskego in Fall

LowModerateHighVery highExtreme

Clear-sky midday UV across fall averages around 4 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Muskego peaks around June 22 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 22UV 9Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb2Moderate
Mar4Moderate
Apr6High
May8Very high
Jun9Very high
Jul9Very high
Aug8Very high
Sep6High
Oct3Moderate
Nov2Moderate
Dec1Low

Air quality in Muskego in Fall

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where fall falls, not just the annual average.

Air quality in Muskego is worst in July — around 17 µg/m³ PM2.5 (moderate), about 1.9× the cleanest month (October, 9 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodJul 1616 µg/m³Oct 239 µg/m³
PM2.5 (µg/m³)Level
Jan12Good
Feb14Moderate
Mar15Moderate
Apr13Moderate
May15Moderate
Jun16Moderate
Jul17Moderate
Aug15Moderate
Sep12Moderate
Oct9Good
Nov9Good
Dec10Good
Location & terrain

Where is Muskego?

Muskego sits at 42.9°N, 88.1°W, 801 ft above sea level, in United States. The nearest listed city is New Berlin, 5.0 mi away.

Topography around Muskego

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

Within 2 miles, the terrain around Muskego has only modest variations in elevation — a maximum elevation change of 246 ft around an average of 820 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 627 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 840 ft.

The land around Muskego is covered by trees (39%) and grassland (31%) within 2 miles, trees (40%) and grassland (26%) within 10 miles, and water (32%), cropland (29%) and trees (21%) within 50 miles.

2 miles
246 ft
10 miles
627 ft
50 miles
840 ft
treesgrasslandcroplandartificial surfaceswaterwetland
Fall weather nearby: New Berlin 5.0 mi · Franklin 5.0 mi · Greenfield 7.5 mi · Waukesha 8.7 mi · West Allis 9.9 mi · Brookfield 11 mi · Wauwatosa 12 mi · Caledonia 13 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 Muskego (42.9059°, -88.139°, elevation 801 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.