S
M
T
W
T
F
S
30
78°
57°
31
81°
60°
1
84°
57°
2
79°
56°
3
77°
55°
4
78°
56°
5
79°
63°
6
83°
62°
7
84°
62°
8
77°
61°
9
76°
61°
10
82°
60°
11
81°
58°
12
79°
61°
13
76°
58°
14
75°
53°
15
74°
53°
16
73°
52°
17
73°
52°
18
74°
54°
19
79°
57°
20
78°
59°
21
78°
54°
22
75°
51°
23
73°
55°
24
72°
56°
25
77°
49°
26
71°
54°
27
70°
50°
28
Hist. Avg.
70°
51°
29
Hist. Avg.
70°
51°
30
Hist. Avg.
69°
50°
1
Hist. Avg.
69°
50°
2
Hist. Avg.
69°
50°
3
Hist. Avg.
68°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in District 15, Thurmont
District 15, Thurmont's September 2026 forecast shows daily high temperatures ranging from 70° to 84°, with overnight lows between 49° and 63°. The average high for September is 77° with an average low of 56°. 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 District 15, Thurmont. See also: October | November | December.
