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Madison, WI

62°F
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Madison, WI Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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Today Hourly 10-Day Radar MinuteCast®

Monthly

Air Quality Health & Activities

September

January February March April May June July August September October November December

2026

2025 2026 2027

10-Day

S
M
T
W
T
F
S
30
A t-storm around in the p.m.
83°
70°
31
Some sun with a stray t-storm
88°
72°
1
A thunderstorm in spots
88°
68°
2
Mostly sunny and very warm
88°
65°
3
Some rain and a thunderstorm
84°
66°
4
Partly sunny, warm and humid
83°
63°
5
A t-storm around in the a.m.
82°
61°
6
Mostly sunny, a shower; warm
83°
61°
7
Sunshine, warm and humid
82°
60°
8
Warm with clouds and sun
83°
60°
9
Partly sunny and less humid
78°
59°
10
Clouding up with low humidity
76°
53°
11
Decreasing clouds
76°
58°
12
Increasing clouds and warm
79°
58°
13
Warm with sun and clouds
79°
59°
14
Cloudy and warm
80°
58°
15
Warm with sun, then clouds
80°
55°
16
Plenty of sunshine
69°
52°
17
Mostly sunny
76°
57°
18
Mostly cloudy, warm and humid
78°
57°
19
Warm and humid with some sun
78°
56°
20
Sunny, warm and humid
78°
57°
21
Sunny, warm and humid
79°
57°
22
Sunny, warm and humid
79°
55°
23
Mostly cloudy and less humid
78°
54°
24
Sunshine
72°
52°
25
Times of clouds and sun
69°
52°
26
Clouds yielding to sun
72°
53°
27
Plenty of sunshine
75°
53°
28
Warm with some sun
75°
52°
29
Turning cloudy and warm
76°
54°
30
Humid; rain in the morning
74°
54°
1
Rain in the morning
74°
53°
2
Less humid with clouds
72°
52°
3
Considerable cloudiness
71°
52°

Temperature Graph

°F
90° 80° 70° 60° 50° Sep
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo

September Weather in Madison

Madison's September 2026 forecast shows daily high temperatures ranging from 69° to 88°, with overnight lows between 52° and 72°. The average high for September is 78° with an average low of 58°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how September weather will actually feel in Madison. See also: October | November | December.

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Weather Near Madison:

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