S
M
T
W
T
F
S
30
71°
61°
31
83°
66°
1
86°
69°
2
80°
62°
3
80°
60°
4
76°
59°
5
79°
54°
6
77°
50°
7
76°
50°
8
72°
47°
9
74°
51°
10
74°
50°
11
70°
45°
12
70°
45°
13
68°
47°
14
72°
44°
15
76°
50°
16
76°
49°
17
74°
48°
18
72°
48°
19
75°
50°
20
75°
49°
21
74°
50°
22
76°
49°
23
75°
48°
24
74°
48°
25
74°
47°
26
75°
48°
27
74°
47°
28
74°
46°
29
72°
45°
30
70°
45°
1
71°
44°
2
71°
46°
3
70°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Merritt
Merritt's September 2026 forecast shows daily high temperatures ranging from 68° to 86°, with overnight lows between 44° and 69°. The average high for September is 74° with an average low of 50°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how September weather will actually feel in Merritt. See also: October | November | December.
