Marshfield weather in September

In September, Marshfield sees average daytime highs of 69°F and overnight lows near 50°F, with 3.5 in of rain across 9.9 wet days and about 12.3 hours of daylight. It is the 4th-warmest and 5th-wettest month of the year here.

Highs ease over the month, from about 74°F in the first days to 64°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 h 06 min at the start of September to 11 h 36 min by month's end. Set against the rest of the year, September is Marshfield's 2nd-clearest and 9th-windiest month. For the whole year in context, see Marshfield's year-round climate.

Daytime high
69°
4th warmest
Overnight low
50°
9th coldest
Rainfall
3.5 in
9.9 wet days
Daylight
12 h 18 min
5:46 AM – 6:04 PM
Cloud cover
55%
2nd clearest
Wind
8 mph
9th windiest
Solar energy
4.09 kWh/m²
Travel score
6.4
out of 10

Marshfield is city in Wood and Marathon counties in Wisconsin, United States.

Density
533/km²
people per km²
Founded
1868

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 74°F in the first days to 64°F by the end.

A typical September day in Marshfield reaches about 69°F in the afternoon and slips back to 50°F overnight — a 19°F spread between the day's warmth and the night's chill. On most days the high lands between 58°F and 80°F. Set against its neighbours, September runs about 8°F cooler than August and about 14°F warmer than October.

40°60°80°151015202530
Avg high (°F)Avg low (°F)
17455
27455
37455
47355
57354
67354
77253
87253
97253
107152
117152
127152
137051
147051
156951
166950
176950
186849
196849
206749
216748
226648
236647
246547
256547
266546
276446
286445
296345
306344

How September really feels in Marshfield

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.

Marshfield weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan23° / 1.27.37.490.0
Feb28° / 11°1.25.75.310.10.0
Mar40° / 22°2.28.85.211.60.4
Apr54° / 35°3.511.53.313.23.1
May66° / 47°4.112.80.114.65.5
Jun75° / 57°4.412.3015.36.4
Jul78° / 61°3.611.50156.5
Aug76° / 58°3.910.4013.96.9
Sep69° / 50°3.59.9012.36.4
Oct55° / 38°3.19.60.810.73.6
Nov40° / 26°2.17.53.69.40.3
Dec28° / 14°1.67.26.68.70.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 35% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 16% of September, with mostly cloudy or overcast conditions the remaining 50%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15545
25545
35545
45545
55545
65545
75545
85446
95446
105347
115248
125149
135149
145050
155050
165050
174852
184852
194951
204852
214852
224852
234753
244753
254753
264753
274753
284654
294654
304654

Chance of precipitation in September

Any precipitation

Marshfield gets around 3.5 in of rain over 9.9 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 33% and peaks near 34% on the wettest days.

0%10%20%30%40%151015202530
Rain chance (%)
131
231
331
431
532
632
732
832
933
1033
1133
1234
1334
1434
1534
1634
1734
1834
1934
2034
2134
2234
2334
2434
2534
2633
2733
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 67% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1462320101
248231991
351221881
451221881
554211771
654211771
757211660
858201660
959201560
1060201550
1162191450
1262191450
1364191340
1466181240
1566181240
1667181140
1768171140
1870171030
197216930
207315930
217415830
227614730
237913620
247913620
258112520
268311420
278410420
288410420
29879310
30888310

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
117light breeze
127light breeze
138light 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 h 06 min 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 90 minutes over September. Sunrise moves from 5:28 AM to 6:03 AM, and sunset from 6:33 PM to 5:37 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.15:286:33
213.05:296:31
313.05:306:29
412.95:316:27
512.95:326:26
612.85:346:24
712.85:356:22
812.75:366:20
912.75:376:18
1012.65:396:16
1112.65:406:14
1212.55:416:12
1312.55:426:10
1412.45:436:08
1512.45:456:06
1612.35:466:04
1712.35:476:02
1812.25:486:00
1912.15:505:58
2012.15:515:56
2112.05:525:54
2212.05:535:52
2311.95:545:50
2411.95:565:48
2511.85:575:47
2611.85:585:45
2711.75:595:43
2811.76:015:41
2911.66:025:39
3011.66:035:37

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.09 kWh/m².

For context, solar energy here swings from a low near 1.4 kWh/m² to a high of 6.16 kWh/m² in July across the year — September's 4.09 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
14.8Bright
24.7Bright
34.7Bright
44.6Bright
54.6Bright
64.5Bright
74.5Bright
84.4Bright
94.4Bright
104.3Bright
114.3Bright
124.2Bright
134.2Bright
144.1Bright
154.1Bright
164.0Bright
174.0Moderate
183.9Moderate
193.9Moderate
203.8Moderate
213.8Moderate
223.8Moderate
233.7Moderate
243.7Moderate
253.6Moderate
263.6Moderate
273.5Moderate
283.5Moderate
293.5Moderate
303.4Moderate
Planning a trip in September

Is September a good time to visit Marshfield?

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

6.4
Sightseeing
3rd-best month of the year
3.6
Beach & pool
4th-best month of the year

September is a reasonable time to visit Marshfield for sightseeing.

What to pack for Marshfield in September

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

In September, Marshfield sees daytime highs around 69°F and nights near 50°F. Worth packing: rain gear. About 10 days see rain.

rain gear

UV index in Marshfield 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 Marshfield peaks around June 17 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 11 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 17UV 9Jan 11UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar3Moderate
Apr5High
May7Very high
Jun9Very high
Jul8Very high
Aug7Very high
Sep6High
Oct3Moderate
Nov2Low
Dec1Low
Location & terrain

Where is Marshfield?

Marshfield sits at 44.7°N, 90.2°W, 1,286 ft above sea level, in United States. The nearest listed city is Wisconsin Rapids, 26 mi away.

Topography around Marshfield

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

Within 2 miles, the terrain around Marshfield has only modest variations in elevation — a maximum elevation change of 200 ft around an average of 1,266 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 331 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 1,188 ft.

The land around Marshfield is covered by trees (38%), grassland (24%) and artificial surfaces (21%) within 2 miles, cropland (51%) and trees (34%) within 10 miles, and trees (60%) and cropland (28%) within 50 miles.

2 miles
200 ft
10 miles
331 ft
50 miles
1,188 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Wisconsin Rapids 26 mi · Stevens Point 31 mi · Wausau 34 mi · Weston 34 mi · Eau Claire 66 mi · Onalaska 76 mi · North La Crosse 78 mi · La Crosse 80 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 Marshfield (44.6688°, -90.1718°, elevation 1,286 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. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).