S
M
T
W
T
F
S
30
90°
66°
31
86°
69°
1
97°
73°
2
89°
72°
3
93°
72°
4
92°
72°
5
83°
65°
6
85°
60°
7
83°
58°
8
88°
57°
9
91°
65°
10
89°
75°
11
81°
65°
12
82°
65°
13
89°
73°
14
81°
57°
15
79°
52°
16
86°
57°
17
89°
67°
18
87°
69°
19
80°
65°
20
84°
71°
21
73°
64°
22
64°
58°
23
67°
55°
24
67°
51°
25
N/A
26
68°
58°
27
65°
60°
28
70°
60°
29
72°
57°
30
80°
61°
1
85°
62°
2
90°
63°
3
69°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Silver Spring
Silver Spring's September 2026 forecast shows daily high temperatures ranging from 69° to 90°, with overnight lows between 57° and 63°. The average high for September is 79° with an average low of 60°. 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 Silver Spring. See also: October | November | December.