Average sea water temperature in September:
+69.5°F
| Minimum sea water temperature in September: | 75.9°F |
| Maximum sea water temperature in September: | 62.8°F |
Daily sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 66.4°F. The highest and lowest sea temperatures during the month were 69.3°F and 62.8°F.
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| Niagara Falls |
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| Niagara Falls |
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| Niagara Falls |
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| Niagara Falls |
Monthly sea water temperature in Niagara Falls, °F
Which USA resorts have warmest sea in September?
| Place name | September 2026 | September 2025 |
|---|---|---|
| Key West | 88.7°F | 86.9°F |
| Naples | 88.1°F | 86.1°F |
| Sarasota | 87.9°F | 84.8°F |
| Siesta Key | 87.9°F | 84.9°F |
| Corpus Christi | 87.6°F | 85.8°F |
| Houston | 87.5°F | 84.9°F |
| Tampa | 87.2°F | 84.3°F |
| Clearwater Beach | 87.1°F | 84.0°F |
| New Orleans | 86.7°F | 84.3°F |
| West Palm Beach | 86.7°F | 86.2°F |
| Fort Lauderdale | 86.6°F | 86.4°F |
| Miami Beach | 86.5°F | 86.1°F |
| Bay Saint Louis | 86.4°F | 84.0°F |
| Panama City Beach | 86.4°F | 83.4°F |
| Fort Walton Beach | 86.3°F | 83.3°F |
| Destin | 86.3°F | 83.1°F |
| Pensacola | 86.2°F | 83.9°F |
| Orange Beach | 86.2°F | 84.0°F |
| Pensacola Beach | 86.2°F | 83.9°F |
| Santa Rosa Beach | 86.2°F | 83.4°F |
Best time for vacation in Niagara Falls
Niagara Falls on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Niagara Falls
Local time: 17:02
September 14, monday
1800
66°F
SE
3 mph
3 mph
2100
61°F
N
3 mph
3 mph
September 15, tuesday
0000
59°F
NW
5 mph
5 mph
0300
59°F
N
4 mph
4 mph
0600
57°F
N
5 mph
5 mph
0900
59°F
N
7 mph
7 mph
1200
70°F
N
11 mph
11 mph
1500
75°F
NE
11 mph
11 mph
