Niagara Falls weather in September 2025
Mon
Tue
Wed
Thu
Fri
Sat
Sun
1 September
+25°+19°
2 September
+25°+20°
3 September
+25°+19°
4 September
+25°+19°
5 September
+23°+18°
6 September
+23°+17°
7 September
+23°+18°
8 September
+22°+17°
9 September
+21°+16°
10 September
+22°+17°
11 September
+22°+16°
12 September
+22°+16°
13 September
+22°+16°
14 September
+21°+15°
15 September
+20°+14°
16 September
+20°+14°
17 September
+21°+15°
18 September
+21°+15°
19 September
+20°+14°
20 September
+21°+15°
21 September
+23°+16°
22 September
+21°+15°
23 September
+20°+14°
24 September
+20°+14°
25 September
+21°+15°
26 September
+20°+15°
27 September
+20°+15°
28 September
+20°+15°
29 September
+19°+14°
30 September
+17°+14°
1 October
+17°+13°
2 October
+17°+12°
3 October
+17°+13°
4 October
+18°+13°
5 October
+17°+12°
