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°
61°
9
73°
57°
10
82°
56°
11
70°
48°
12
60°
43°
13
64°
44°
14
58°
46°
15
62°
43°
16
65°
46°
17
66°
46°
18
70°
47°
19
69°
48°
20
70°
49°
21
71°
50°
22
64°
47°
23
65°
48°
24
64°
39°
25
70°
47°
26
68°
46°
27
69°
48°
28
68°
45°
29
64°
42°
30
66°
43°
1
58°
39°
2
60°
42°
3
54°
41°
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 54° to 71°, with overnight lows between 39° and 50°. The average high for September is 65° with an average low of 45°. 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.
