S
M
T
W
T
F
S
30
52°
43°
31
51°
35°
1
54°
35°
2
54°
39°
3
60°
47°
4
60°
57°
5
58°
48°
6
54°
43°
7
56°
48°
8
57°
48°
9
55°
48°
10
63°
47°
11
53°
45°
12
54°
40°
13
56°
44°
14
55°
41°
15
55°
46°
16
49°
44°
17
51°
42°
18
50°
40°
19
50°
32°
20
43°
32°
21
44°
32°
22
45°
33°
23
46°
32°
24
47°
34°
25
47°
35°
26
46°
33°
27
48°
35°
28
45°
30°
29
43°
25°
30
38°
24°
1
37°
25°
2
37°
23°
3
36°
22°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Discovery
Discovery's September 2026 forecast shows daily high temperatures ranging from 36° to 55°, with overnight lows between 22° and 46°. The average high for September is 45° with an average low of 33°. 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 Discovery. See also: October | November | December.
