Average sea water temperature in September:
+65.5°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:
2026
2025
2024
The average sea water temperature in September of 2026 was 66.6°F. The highest and lowest sea temperatures during the month were 70.3°F and 63.7°F.
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| Provincetown |
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| Provincetown |
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| Provincetown |
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| Provincetown |
Monthly sea water temperature in Provincetown, °F
Which USA resorts have warmest sea in September?
| Place name | September 2026 | September 2025 |
|---|---|---|
| Key West | 88.4°F | 86.9°F |
| Key Largo | 87.8°F | 86.6°F |
| Naples | 87.8°F | 86.1°F |
| Siesta Key | 87.7°F | 84.9°F |
| Sarasota | 87.6°F | 84.8°F |
| Cape Coral | 87.4°F | 85.2°F |
| Houston | 87.3°F | 84.9°F |
| Corpus Christi | 87.2°F | 85.8°F |
| Tampa | 87.0°F | 84.3°F |
| Clearwater Beach | 86.9°F | 84.0°F |
| West Palm Beach | 86.8°F | 86.2°F |
| Fort Lauderdale | 86.7°F | 86.4°F |
| New Orleans | 86.7°F | 84.3°F |
| Miami Beach | 86.5°F | 86.1°F |
| Bay Saint Louis | 86.4°F | 84.0°F |
| Pensacola Beach | 86.3°F | 83.9°F |
| Orange Beach | 86.3°F | 84.0°F |
| Panama City Beach | 86.3°F | 83.4°F |
| Pensacola | 86.2°F | 83.9°F |
| Fort Walton Beach | 86.2°F | 83.3°F |
Best time for vacation in Provincetown
Provincetown on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Provincetown
Local time: 10:02
September 20, sunday
1200
61°F
N
14 mph
14 mph
1500
61°F
NW
9 mph
9 mph
1800
61°F
NW
14 mph
14 mph
2100
63°F
NW
17 mph
17 mph
September 21, monday
0000
63°F
NW
16 mph
16 mph
0300
64°F
N
12 mph
12 mph
0600
63°F
SW
19 mph
19 mph
0900
61°F
SW
26 mph
26 mph
