World Resorts USA Norwalk Weather

Norwalk Sea Temperature in September

Average sea water temperature in September:
+72.1°F
Minimum sea water temperature in September: 77.9°F
Maximum sea water temperature in September: 66.7°F

Daily sea water temperature in September, °F

Show year:
2025
2024
2023

The average sea water temperature in September of 2025 was 71.1°F. The highest and lowest sea temperatures during the month were 73.0°F and 69.8°F.

Monthly sea water temperature in Norwalk, °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 Norwalk

Sunniest months:
November 15 days
October 14 days
September 14 days
Warmest months:
July 82.0 °F
August 79.6 °F
June 75.5 °F
Warmest sea temp:
August 74.2 °F
July 73.0 °F
September 72.1 °F
Coldest months:
January 35.9 °F
February 37.5 °F
December 40.7 °F
Rainiest months:
July 3 days
October 3 days
April 3 days
Windiest months:
January 10.3 mph
March 10.1 mph
December 10.1 mph

Norwalk on a weather map

Norwalk
+21°F
S 6 mph
Feels like: +14°F
Precip.: 0%
Places in USA:
Name
°F
+19°F
+77°F
+77°F
+73°F
+75°F
+52°F
+55°F
+72°F
+16°F
+63°F
+66°F
+50°F
+46°F
+54°F
+27°F
24 Hours Forecast
Norwalk
Local time: 20:59
February 05, thursday
2100
21°F
S
6 mph
February 06, friday
0000
18°F
S
7 mph
0300
16°F
S
6 mph
0600
18°F
S
5 mph
0900
21°F
S
4 mph
1200
27°F
W
4 mph
1500
28°F
N
2 mph
1800
28°F
NW
2 mph
Units of measurement: °C / °F