World Resorts USA Provincetown Weather

Provincetown Sea Temperature in September

Average sea water temperature in September:
+65.3°F
Minimum sea water temperature in September: 72.3°F
Maximum sea water temperature in September: 59.9°F

Daily sea water temperature in September, °F

Show year:
2025
2024
2023

The average sea water temperature in September of 2025 was 65.1°F. The highest and lowest sea temperatures during the month were 67.5°F and 61.7°F.

Monthly sea water temperature in Provincetown, °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
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
Marco Island 86.0°F 87.2°F
Hialeah 85.8°F 86.0°F
Corpus Christi 85.8°F 84.7°F
Miami 85.8°F 86.0°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

Best time for vacation in Provincetown

Sunniest months:
November 15 days
September 13 days
June 13 days
Warmest months:
July 74.3 °F
August 73.5 °F
September 68.6 °F
Warmest sea temp:
August 68.4 °F
July 67.5 °F
September 65.3 °F
Coldest months:
January 35.6 °F
February 35.8 °F
December 40.8 °F
Rainiest months:
October 3 days
December 3 days
July 2 days
Windiest months:
December 15.4 mph
January 15.3 mph
February 14.6 mph

Provincetown on a weather map

Provincetown
+52°F
SE 7 mph
Feels like: +50°F
Precip.: 0%
Places in USA:
Name
°F
+55°F
+73°F
+73°F
+84°F
+61°F
+88°F
+86°F
+70°F
+64°F
+63°F
+61°F
+90°F
+91°F
+88°F
+63°F
24 Hours Forecast
Provincetown
Local time: 11:53
May 15, friday
1200
52°F
SE
7 mph
1500
52°F
S
9 mph
1800
50°F
SW
13 mph
2100
48°F
S
9 mph
May 16, saturday
0000
48°F
SE
9 mph
0300
50°F
SE
6 mph
0600
50°F
E
12 mph
0900
52°F
NE
12 mph
Units of measurement: °C / °F