S
M
T
W
T
F
S
30
58°
44°
31
59°
44°
1
63°
42°
2
62°
43°
3
58°
42°
4
59°
35°
5
57°
42°
6
59°
43°
7
55°
43°
8
56°
44°
9
58°
41°
10
58°
39°
11
59°
38°
12
58°
29°
13
58°
39°
14
57°
35°
15
55°
30°
16
49°
30°
17
48°
31°
18
48°
29°
19
47°
29°
20
46°
28°
21
45°
30°
22
46°
33°
23
43°
34°
24
45°
35°
25
46°
33°
26
49°
30°
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 43° to 63°, with overnight lows between 28° and 44°. The average high for September is 54° with an average low of 36°. 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.