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
West Palm Beach 86.2°F 86.4°F
Miami Beach 86.1°F 86.3°F
Naples 86.1°F 87.2°F
Miami 85.8°F 86.0°F
Houston 84.9°F 83.4°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
Clearwater Beach 84.0°F 86.2°F
Pensacola Beach 83.9°F 84.5°F
St. George Island 83.5°F 84.0°F
Panama City Beach 83.4°F 84.8°F
Santa Rosa Beach 83.4°F 84.8°F
Fort Walton Beach 83.3°F 84.5°F
Destin 83.1°F 84.5°F
Orlando 82.8°F 83.6°F
Daytona Beach 82.7°F 83.2°F
St. Augustine 81.8°F 82.7°F

Best time for vacation in Milwaukee

Sunniest months:
August 15 days
June 14 days
July 14 days
Warmest months:
July 75.7 °F
August 75.7 °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
May 2 days
March 2 days
Windiest months:
November 12.3 mph
March 11.9 mph
February 11.8 mph

Milwaukee on a weather map

Milwaukee
+75°F
W 7 mph
Feels like: +79°F
Precip.: 9%
Places in USA:
Name
°F
+84°F
+91°F
+79°F
+102°F
+86°F
+93°F
+73°F
+93°F
+91°F
+81°F
+63°F
+75°F
+99°F
+97°F
+77°F
24 Hours Forecast
Milwaukee
Local time: 15:25
August 14, friday
1800
73°F
SW
7 mph
2100
70°F
SW
7 mph
August 15, saturday
0000
70°F
W
7 mph
0300
72°F
NW
15 mph
0600
70°F
N
13 mph
0900
68°F
NW
20 mph
1200
70°F
NW
14 mph
1500
72°F
NW
13 mph
Units of measurement: °C / °F