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
Key Largo 86.6°F 87.1°F
Fort Lauderdale 86.4°F 86.4°F
West Palm Beach 86.2°F 86.4°F
Everglades 86.2°F 87.0°F
Miami Beach 86.1°F 86.3°F
Naples 86.1°F 87.2°F
Marco Island 86.0°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
Sanibel Island 85.7°F 87.0°F
Galveston Island 85.5°F 84.4°F
Galveston 85.5°F 83.7°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

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 28.9 °F
December 33.6 °F
Rainiest months:
April 3 days
June 3 days
May 2 days
Windiest months:
November 12.3 mph
February 12.0 mph
March 11.9 mph

Milwaukee on a weather map

Milwaukee
+19°F
NE 8 mph
Feels like: +9°F
Precip.: 0%
Places in USA:
Name
°F
+10°F
+70°F
+70°F
+52°F
+64°F
+59°F
+64°F
+64°F
+7°F
+63°F
+52°F
+57°F
+55°F
+43°F
+18°F
24 Hours Forecast
Milwaukee
Local time: 05:44
February 05, thursday
0600
19°F
NE
8 mph
0900
21°F
NE
11 mph
1200
28°F
NE
13 mph
1500
30°F
NE
11 mph
1800
28°F
NE
6 mph
2100
28°F
NE
7 mph
February 06, friday
0000
27°F
E
7 mph
0300
27°F
E
9 mph
Units of measurement: °C / °F