S
M
T
W
T
F
S
30
56°
38°
31
57°
37°
1
54°
41°
2
55°
43°
3
55°
43°
4
54°
42°
5
61°
41°
6
54°
38°
7
54°
39°
8
53°
41°
9
56°
30°
10
53°
40°
11
51°
41°
12
53°
41°
13
53°
42°
14
59°
40°
15
56°
38°
16
52°
31°
17
50°
30°
18
47°
36°
19
46°
37°
20
51°
34°
21
49°
31°
22
50°
32°
23
47°
30°
24
Hist. Avg.
45°
30°
25
Hist. Avg.
44°
30°
26
Hist. Avg.
43°
29°
27
Hist. Avg.
43°
28°
28
Hist. Avg.
42°
28°
29
Hist. Avg.
41°
27°
30
Hist. Avg.
40°
27°
1
Hist. Avg.
40°
26°
2
Hist. Avg.
39°
26°
3
Hist. Avg.
38°
25°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Ruby
Ruby's September 2026 forecast shows daily high temperatures ranging from 46° to 61°, with overnight lows between 30° and 43°. The average high for September is 53° with an average low of 37°. 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 Ruby. See also: October | November | December.