World Resorts USA Milwaukee Weather

Milwaukee Sea Temperature in September

Average sea water temperature in September:
+67.0°F
Minimum sea water temperature in September: 73.6°F
Maximum sea water temperature in September: 58.5°F

Daily sea water temperature in September, °F

Show year:
2025
2024
2023

The average sea water temperature in September of 2025 was 66.9°F. The highest and lowest sea temperatures during the month were 70.0°F and 63.5°F.

Monthly sea water temperature in Milwaukee, °F

Which USA resorts have warmest sea in September?

Place name September 2025 September 2024
Key West 86.9°F 87.4°F
Fort Lauderdale 86.4°F 86.4°F
Everglades 86.2°F 87.0°F
West Palm Beach 86.2°F 86.4°F
Miami Beach 86.1°F 86.3°F
Naples 86.1°F 87.2°F
South Padre Island 86.0°F 85.8°F
Corpus Christi 85.8°F 84.7°F
Miami 85.8°F 86.0°F
Galveston Island 85.5°F 84.4°F
Galveston 85.5°F 83.7°F
Cape Coral 85.2°F 86.5°F
Houston 84.9°F 83.4°F
Siesta Key 84.9°F 86.8°F
Sarasota 84.8°F 86.7°F
Cocoa Beach 84.6°F 85.2°F
Tampa 84.3°F 86.0°F
New Orleans 84.3°F 82.9°F
St. Petersburg 84.1°F 86.1°F
Orange Beach 84.0°F 84.1°F

Best time for vacation in Milwaukee

Sunniest months:
August 15 days
September 14 days
October 13 days
Warmest months:
August 75.7 °F
July 75.4 °F
September 70.4 °F
Warmest sea temp:
August 69.7 °F
July 67.4 °F
September 67.0 °F
Coldest months:
January 26.9 °F
February 29.9 °F
December 33.6 °F
Rainiest months:
April 3 days
June 3 days
May 2 days
Windiest months:
November 12.3 mph
March 11.9 mph
February 11.8 mph

Milwaukee on a weather map

Milwaukee
+23°F
NE 9 mph
Feels like: +14°F
Precip.: 0%
Places in USA:
Name
°F
+36°F
+72°F
+72°F
+95°F
+99°F
+55°F
+66°F
+70°F
+34°F
+90°F
+88°F
+63°F
+57°F
+63°F
+27°F
24 Hours Forecast
Milwaukee
Local time: 16:45
March 17, tuesday
1800
23°F
NE
9 mph
2100
19°F
NE
11 mph
March 18, wednesday
0000
21°F
N
12 mph
0300
23°F
N
12 mph
0600
25°F
N
12 mph
0900
27°F
N
13 mph
1200
34°F
NE
11 mph
1500
39°F
NE
6 mph
Units of measurement: °C / °F