S
M
T
W
T
F
S
30
84°
60°
31
80°
60°
1
75°
58°
2
77°
55°
3
65°
52°
4
76°
55°
5
79°
59°
6
80°
60°
7
71°
64°
8
71°
55°
9
73°
53°
10
84°
55°
11
70°
48°
12
63°
45°
13
61°
46°
14
55°
46°
15
64°
46°
16
65°
44°
17
62°
43°
18
66°
47°
19
67°
46°
20
67°
44°
21
65°
41°
22
67°
49°
23
66°
47°
24
60°
45°
25
67°
46°
26
68°
46°
27
68°
47°
28
67°
45°
29
65°
45°
30
58°
44°
1
58°
42°
2
53°
38°
3
52°
40°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Winkler
Winkler's September 2026 forecast shows daily high temperatures ranging from 52° to 84°, with overnight lows between 38° and 55°. The average high for September is 65° with an average low of 46°. 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 Winkler. See also: October | November | December.
