World Resorts USA Milwaukee Weather

Milwaukee weather in September

Weather in Milwaukee: September

Average day temperature: 70.2°F
Average night temperature: 61.9°F
Sea water temperature: 67.0°F
Number of sunny days: 15 days
Day length: 11.8 - 13.2 hours
Number of rainy days: 1 day
Precipitation totals: 0.9 in.
more information

Air temperature in September, °F

Show year:
2024
2023
2022
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
0
14
28
42
56
70
84
98
112
Day temperature   
Night temperature

The highest day temperature during September of 2024 was 86°F. At the same time the lowest night temperature was 47°F. Day and night temperature averages during September were 73.4°F and 61.5°F.

Sea water temperature in Milwaukee in September, °F

Show year:
2024
2023
2022
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
54
58
62
66
70
74
78

The average sea water temperature in September of 2024 was 71.0°F. The highest and lowest sea temperatures during the month were 73.6°F and 69.6°F.

Sunny, partly cloudy and cloudy days
Sunny days
Partly cloudy days
Cloudy days
50%
33%
17%

Mostly all days in September are sunny but cloudy days are also possible.

Precipitation total in September, in.

jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
0.3
0.5
0.8
1.1
1.3
1.6
1.8
1.1
1.3
1.2
1.5
1.5
1.2
1.1
1.3
1.2
1.5
1.5
1.2

Precipitation total value in Milwaukee in September is 0.9 in. Other months of the year show relatively similar values.

Wind speed in September, mph
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
2.1
4.2
6.3
8.4
10.5
12.6
14.7
11.5
12.3
11.1
8.3
7.7
8.6
9.2
11.0
11.9
12.0
11.6
11.5
12.3
11.1
9.8
8.3
7.7
8.6
9.2
11.0
11.9
12.0
11.6

The average wind speed value in September is 9.8 mph

Average sunny hours
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
1.6
3.2
4.9
6.5
8.1
9.7
11.3
3.5
5.0
6.4
9.4
9.4
9.4
8.1
6.0
5.0
4.7
3.7
3.5
5.0
6.4
8.2
9.4
9.4
9.4
8.1
6.0
5.0
4.7
3.7

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in September is: 8.2.

Best time for vacation in Milwaukee

Sunniest months:
August 16 days
September 15 days
July 14 days
Warmest months:
August 75.3 °F
July 74.5 °F
September 70.2 °F
Warmest sea temp:
August 69.4 °F
July 67.2 °F
September 67.0 °F
Coldest months:
January 27.5 °F
February 28.9 °F
December 34.5 °F
Rainiest months:
April 4 days
July 3 days
May 3 days
Windiest months:
November 12.3 mph
February 12.0 mph
March 11.9 mph

Milwaukee on a weather map

Leaflet | Tiles © Esri
Places in USA:
Name
°F
Boston
+41°F
Washington
+52°F
Hawaii
+75°F
Honolulu
+75°F
Las Vegas
+57°F
Los Angeles
+54°F
Miami
+75°F
New York
+43°F
Orlando
+68°F
San Diego
+55°F
San Francisco
+52°F
Sarasota
+70°F
Tampa
+70°F
Houston
+66°F
Chicago
+41°F
all places
24 Hours Forecast
Milwaukee
Local time: 22:00
March 05, wednesday
0000
39°F
W
19 mph
0300
39°F
W
16 mph
0600
39°F
NW
18 mph
0900
39°F
N
12 mph
1200
37°F
N
11 mph
1500
34°F
S
22 mph
1800
30°F
SE
28 mph
2100
27°F
SE
28 mph
Units of measurement: °C / °F