S
M
T
W
T
F
S
30
77°
64°
31
75°
59°
1
72°
59°
2
72°
55°
3
73°
55°
4
81°
61°
5
68°
57°
6
67°
46°
7
69°
55°
8
83°
57°
9
66°
52°
10
66°
44°
11
68°
47°
12
69°
49°
13
69°
51°
14
71°
50°
15
72°
52°
16
64°
50°
17
66°
49°
18
65°
48°
19
67°
52°
20
68°
51°
21
63°
52°
22
66°
52°
23
68°
51°
24
69°
52°
25
69°
50°
26
68°
46°
27
62°
43°
28
61°
43°
29
59°
44°
30
60°
49°
1
58°
47°
2
62°
43°
3
64°
43°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Finsterwalde
Finsterwalde's September 2026 forecast shows daily high temperatures ranging from 58° to 83°, with overnight lows between 43° and 57°. The average high for September is 66° with an average low of 49°. 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 Finsterwalde. See also: October | November | December.