Niagara Falls rainbow in September 2027

Short answer: On 15 September 2027: Best rainbow from Canadian side, facing the American Falls, 14:05–19:10 (strongest around 16:40), if the sun is out. Every day of September is in the table. Water level in September: high.

The mist plume over the Horseshoe Falls and the spray at the foot of the American Falls throw rainbows that move from the American side in the morning to the Canadian side in the afternoon.

Date	Canada → American Falls	Table Rock	US side
Wed 1 Sep	14:20–19:35	16:55–19:35	07:05–10:45
Thu 2 Sep	14:20–19:35	16:55–19:35	07:10–10:45
Fri 3 Sep	14:20–19:30	16:55–19:30	07:10–10:45
Sat 4 Sep	14:15–19:30	16:55–19:30	07:10–10:40
Sun 5 Sep	14:15–19:30	17:00–19:30	07:10–10:40
Mon 6 Sep	14:15–19:25	17:00–19:25	07:10–10:40
Tue 7 Sep	14:15–19:25	17:00–19:25	07:15–10:40
Wed 8 Sep	14:10–19:25	17:00–19:25	07:15–10:40
Thu 9 Sep	14:10–19:20	17:00–19:20	07:15–10:40
Fri 10 Sep	14:10–19:20	17:05–19:20	07:15–10:40
Sat 11 Sep	14:10–19:15	17:05–19:15	07:15–10:35
Sun 12 Sep	14:05–19:15	17:05–19:15	07:20–10:35
Mon 13 Sep	14:05–19:15	17:05–19:15	07:20–10:35
Tue 14 Sep	14:05–19:10	17:05–19:10	07:20–10:35
Wed 15 Sep	14:05–19:10	17:10–19:10	07:20–10:35
Thu 16 Sep	14:05–19:10	17:10–19:10	07:25–10:35
Fri 17 Sep	14:00–19:05	17:10–19:05	07:25–10:30
Sat 18 Sep	14:00–19:05	17:15–19:05	07:25–10:30
Sun 19 Sep	14:00–19:05	17:15–19:05	07:25–10:30
Mon 20 Sep	14:00–18:00	17:15–19:00	07:25–10:30
Tue 21 Sep	13:55–17:45	17:15–19:00	07:30–10:30
Wed 22 Sep	13:55–17:45	17:20–19:00	07:30–10:30
Thu 23 Sep	13:55–17:45	17:20–18:55	07:30–10:25
Fri 24 Sep	13:55–17:45	17:20–18:55	07:30–10:25
Sat 25 Sep	13:55–17:45	17:25–18:50	07:30–10:25
Sun 26 Sep	13:50–17:45	17:25–18:50	07:35–10:25
Mon 27 Sep	13:50–17:45	17:25–18:50	07:35–10:25
Tue 28 Sep	13:50–17:40	17:30–18:45	07:35–10:20
Wed 29 Sep	13:50–17:40	17:30–18:45	07:35–10:20
Thu 30 Sep	13:50–17:40	17:35–18:45	07:40–10:20

Date

Canada → American Falls

Table Rock

US side

Wed 1 Sep

14:20–19:35

16:55–19:35

07:05–10:45

Thu 2 Sep

14:20–19:35

16:55–19:35

07:10–10:45

Fri 3 Sep

14:20–19:30

16:55–19:30

07:10–10:45

Sat 4 Sep

14:15–19:30

16:55–19:30

07:10–10:40

Sun 5 Sep

14:15–19:30

17:00–19:30

07:10–10:40

Mon 6 Sep

14:15–19:25

17:00–19:25

07:10–10:40

Tue 7 Sep

14:15–19:25

17:00–19:25

07:15–10:40

Wed 8 Sep

14:10–19:25

17:00–19:25

07:15–10:40

Thu 9 Sep

14:10–19:20

17:00–19:20

07:15–10:40

Fri 10 Sep

14:10–19:20

17:05–19:20

07:15–10:40

Sat 11 Sep

14:10–19:15

17:05–19:15

07:15–10:35

Sun 12 Sep

14:05–19:15

17:05–19:15

07:20–10:35

Mon 13 Sep

14:05–19:15

17:05–19:15

07:20–10:35

Tue 14 Sep

14:05–19:10

17:05–19:10

07:20–10:35

Wed 15 Sep

14:05–19:10

17:10–19:10

07:20–10:35

Thu 16 Sep

14:05–19:10

17:10–19:10

07:25–10:35

Fri 17 Sep

14:00–19:05

17:10–19:05

07:25–10:30

Sat 18 Sep

14:00–19:05

17:15–19:05

07:25–10:30

Sun 19 Sep

14:00–19:05

17:15–19:05

07:25–10:30

Mon 20 Sep

14:00–18:00

17:15–19:00

07:25–10:30

Tue 21 Sep

13:55–17:45

17:15–19:00

07:30–10:30

Wed 22 Sep

13:55–17:45

17:20–19:00

07:30–10:30

Thu 23 Sep

13:55–17:45

17:20–18:55

07:30–10:25

Fri 24 Sep

13:55–17:45

17:20–18:55

07:30–10:25

Sat 25 Sep

13:55–17:45

17:25–18:50

07:30–10:25

Sun 26 Sep

13:50–17:45

17:25–18:50

07:35–10:25

Mon 27 Sep

13:50–17:45

17:25–18:50

07:35–10:25

Tue 28 Sep

13:50–17:40

17:30–18:45

07:35–10:20

Wed 29 Sep

13:50–17:40

17:30–18:45

07:35–10:20

Thu 30 Sep

13:50–17:40

17:35–18:45

07:40–10:20

Hour by hour for your date Niagara Falls tours

Questions

What time is the rainbow at Niagara Falls in September 2027?

On 15 September 2027: Best rainbow from Canadian side, facing the American Falls, 14:05–19:10 (strongest around 16:40), if the sun is out. Every day of September is in the table. Water level in September: high.