Average sea water temperature in September:
+62.4°F
| Minimum sea water temperature in September: | 68.7°F |
| Maximum sea water temperature in September: | 56.5°F |
Daily sea water temperature in September, °F
Show year:
2024
2023
2022
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52
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58
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64
67
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73
The average sea water temperature in September of 2024 was 61.2°F. The highest and lowest sea temperatures during the month were 64.9°F and 58.6°F.
sea water
temperature
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| Portsmouth |
monthly
weather
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| Portsmouth |
current
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| Portsmouth |
14 days
forecast
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| Portsmouth |
Monthly sea water temperature in Portsmouth, °F
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0
11
22
33
44
55
66
77
88
45.8
51.3
57.2
62.4
65.4
63.4
57.5
49.6
42.7
39.7
39.1
41.7
Which USA resorts have warmest sea in September?
| Place name | September 2024 | September 2023 |
|---|---|---|
| Key West | 87.4°F | 87.3°F |
| Naples | 87.2°F | 86.8°F |
| Marco Island | 87.2°F | 86.7°F |
| Everglades | 87.0°F | 86.8°F |
| Siesta Key | 86.8°F | 85.8°F |
| Sarasota | 86.7°F | 85.8°F |
| Cape Coral | 86.5°F | 86.0°F |
| Fort Lauderdale | 86.4°F | 86.2°F |
| West Palm Beach | 86.4°F | 86.2°F |
| Miami Beach | 86.3°F | 86.3°F |
| Clearwater Beach | 86.2°F | 85.5°F |
| Tampa | 86.0°F | 85.5°F |
| Miami | 86.0°F | 86.0°F |
| South Padre Island | 85.8°F | 86.3°F |
| Cocoa Beach | 85.2°F | 84.4°F |
| Panama City Beach | 84.8°F | 85.1°F |
| Santa Rosa Beach | 84.8°F | 85.3°F |
| Corpus Christi | 84.7°F | 87.1°F |
| Miramar Beach | 84.6°F | 85.2°F |
| Mustang Island | 84.6°F | 86.9°F |
Best time for vacation in Portsmouth
Portsmouth on a weather map
Leaflet | Tiles © Esri
Places in USA:
Name
°F
24 Hours Forecast
Portsmouth
Local time: 23:31
April 28, monday
0000
46°F
SE
8 mph
8 mph
0300
48°F
SE
6 mph
6 mph
0600
48°F
SE
7 mph
7 mph
0900
55°F
SE
9 mph
9 mph
1200
68°F
SE
8 mph
8 mph
1500
73°F
SE
7 mph
7 mph
1800
72°F
SE
4 mph
4 mph
2100
63°F
SE
2 mph
2 mph
