S
M
T
W
T
F
S
30
69°
50°
31
82°
52°
1
88°
60°
2
78°
60°
3
68°
58°
4
60°
48°
5
72°
51°
6
77°
45°
7
79°
49°
8
84°
50°
9
87°
56°
10
76°
55°
11
75°
42°
12
77°
45°
13
74°
45°
14
70°
46°
15
70°
54°
16
77°
43°
17
78°
43°
18
80°
45°
19
78°
45°
20
81°
45°
21
85°
50°
22
77°
52°
23
74°
50°
24
59°
43°
25
59°
49°
26
64°
46°
27
64°
38°
28
65°
42°
29
60°
39°
30
61°
36°
1
61°
41°
2
67°
35°
3
68°
38°
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 60° to 68°, with overnight lows between 35° and 41°. The average high for September is 63° with an average low of 38°. 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.
