S
M
T
W
T
F
S
30
93°
69°
31
93°
70°
1
92°
68°
2
92°
66°
3
91°
66°
4
94°
62°
5
88°
62°
6
89°
67°
7
93°
68°
8
93°
68°
9
94°
66°
10
92°
67°
11
91°
67°
12
92°
66°
13
91°
66°
14
90°
65°
15
92°
66°
16
84°
61°
17
87°
65°
18
Hist. Avg.
87°
62°
19
Hist. Avg.
87°
62°
20
Hist. Avg.
86°
62°
21
Hist. Avg.
86°
61°
22
Hist. Avg.
86°
61°
23
Hist. Avg.
85°
60°
24
Hist. Avg.
85°
60°
25
Hist. Avg.
85°
60°
26
Hist. Avg.
84°
59°
27
Hist. Avg.
84°
59°
28
Hist. Avg.
84°
58°
29
Hist. Avg.
83°
58°
30
Hist. Avg.
83°
58°
1
Hist. Avg.
83°
57°
2
Hist. Avg.
82°
57°
3
Hist. Avg.
82°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Merkel
Merkel's September 2026 forecast shows daily high temperatures ranging from 84° to 94°, with overnight lows between 61° and 70°. The average high for September is 91° with an average low of 66°. 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 Merkel. See also: October | November | December.
