S
M
T
W
T
F
S
30
74°
45°
31
75°
52°
1
78°
52°
2
80°
53°
3
78°
46°
4
77°
43°
5
72°
44°
6
69°
41°
7
71°
50°
8
76°
49°
9
79°
50°
10
79°
46°
11
73°
44°
12
70°
48°
13
70°
42°
14
69°
45°
15
67°
46°
16
68°
44°
17
70°
46°
18
75°
39°
19
67°
42°
20
70°
37°
21
69°
38°
22
66°
43°
23
67°
45°
24
73°
46°
25
73°
45°
26
71°
46°
27
72°
45°
28
74°
42°
29
71°
42°
30
67°
45°
1
70°
39°
2
71°
35°
3
67°
33°
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 66° to 80°, with overnight lows between 33° and 53°. The average high for September is 72° with an average low of 44°. 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.
