World Resorts USA Montauk Weather

Montauk Sea Temperature in September

Average sea water temperature in September:
+69.0°F
Minimum sea water temperature in September: 73.0°F
Maximum sea water temperature in September: 64.4°F

Daily sea water temperature in September, °F

Show year:
2026
2025
2024

The average sea water temperature in September of 2026 was 69.9°F. The highest and lowest sea temperatures during the month were 70.7°F and 68.7°F.

Monthly sea water temperature in Montauk, °F

Which USA resorts have warmest sea in September?

Place name September 2026 September 2025
Key West 88.5°F 86.9°F
Naples 87.8°F 86.1°F
Key Largo 87.8°F 86.6°F
Siesta Key 87.7°F 84.9°F
Sarasota 87.7°F 84.8°F
Cape Coral 87.5°F 85.2°F
Houston 87.3°F 84.9°F
Corpus Christi 87.2°F 85.8°F
Tampa 87.1°F 84.3°F
St. Petersburg 87.0°F 84.1°F
Clearwater Beach 87.0°F 84.0°F
West Palm Beach 86.8°F 86.2°F
New Orleans 86.8°F 84.3°F
Fort Lauderdale 86.7°F 86.4°F
Miami Beach 86.5°F 86.1°F
Orange Beach 86.3°F 84.0°F
Pensacola Beach 86.3°F 83.9°F
Panama City Beach 86.3°F 83.4°F
Pensacola 86.3°F 83.9°F
Fort Walton Beach 86.2°F 83.3°F

Best time for vacation in Montauk

Sunniest months:
November 16 days
September 14 days
December 14 days
Warmest months:
July 77.0 °F
August 76.1 °F
June 70.2 °F
Warmest sea temp:
August 70.4 °F
September 68.9 °F
July 68.2 °F
Coldest months:
January 36.6 °F
February 36.8 °F
December 41.9 °F
Rainiest months:
October 4 days
November 3 days
March 3 days
Windiest months:
December 14.3 mph
January 14.2 mph
March 13.6 mph

Montauk on a weather map

Montauk
+63°F
SW 18 mph
Feels like: +63°F
Precip.: 14%
Places in USA:
Name
°F
+55°F
+64°F
+79°F
+77°F
+70°F
+81°F
+63°F
+63°F
+68°F
+59°F
+68°F
+73°F
+79°F
+63°F
24 Hours Forecast
Montauk
Local time: 06:13
September 19, saturday
0900
61°F
SW
17 mph
1200
61°F
SW
14 mph
1500
63°F
W
9 mph
1800
63°F
W
9 mph
2100
63°F
NW
14 mph
September 20, sunday
0000
63°F
NW
14 mph
0300
63°F
NW
12 mph
0600
63°F
NW
12 mph
Units of measurement: °C / °F