15.09
tue
tue
Day

70°F
N 9 mph
Precip.
10%
10%
Night

72°F
NE 7 mph
Precip.
4%
4%
16.09
wed
wed
Day

75°F
SE 4 mph
Precip.
15%
15%
Night

68°F
SW 5 mph
Precip.
7%
7%
17.09
thu
thu
Day

66°F
S 4 mph
Precip.
17%
17%
Night

66°F
E 2 mph
Precip.
13%
13%
18.09
fri
fri
Day

68°F
SW 11 mph
Precip.
13%
13%
Night

57°F
W 7 mph
Precip.
14%
14%
19.09
sat
sat
Day

50°F
W 6 mph
Precip.
82%
82%
Night

61°F
SE 3 mph
Precip.
48%
48%
20.09
sun
sun
Day

59°F
SW 8 mph
Precip.
48%
48%
Night

57°F
W 6 mph
Precip.
21%
21%
21.09
mon
mon
Day

57°F
W 9 mph
Precip.
19%
19%
Night

57°F
W 9 mph
Precip.
35%
35%
sea water
temperature
temperature
| Niagara Falls |
monthly
weather
weather
| Niagara Falls |
current
weather
weather
| Niagara Falls |
14 days
forecast
forecast
| Niagara Falls |
Sea water temperature in September, °F
Show year:
2026
2025
2024
The average sea water temperature in September of 2026 was 70.7°F. The highest and lowest sea temperatures during the month were 72.9°F and 69.3°F.
Air temperature in Niagara Falls, °F
Precipitation total in Niagara Falls, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Niagara Falls
Niagara Falls on a weather map
Places in Canada:
Name
°F
24 Hours Forecast
Niagara Falls
Local time: 13:39
September 15, tuesday
1500

75°F
NE
11 mph
11 mph
1800

73°F
NE
7 mph
7 mph
2100

72°F
N
9 mph
9 mph
September 16, wednesday
0000

72°F
NE
7 mph
7 mph
0300

70°F
N
6 mph
6 mph
0600

68°F
NE
5 mph
5 mph
0900

68°F
E
4 mph
4 mph
1200

75°F
SE
4 mph
4 mph



























