S
M
T
W
T
F
S
30
71°
57°
31
78°
60°
1
77°
60°
2
81°
59°
3
81°
61°
4
74°
59°
5
71°
54°
6
72°
53°
7
77°
51°
8
72°
55°
9
72°
56°
10
75°
56°
11
67°
45°
12
80°
44°
13
78°
62°
14
65°
44°
15
68°
41°
16
79°
57°
17
68°
51°
18
67°
47°
19
62°
37°
20
64°
42°
21
59°
47°
22
62°
40°
23
66°
36°
24
67°
34°
25
73°
36°
26
73°
42°
27
67°
44°
28
59°
53°
29
59°
52°
30
68°
51°
1
68°
55°
2
66°
50°
3
60°
36°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Potsdam
Potsdam's September 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for September is ° with an average low of °. 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 Potsdam. See also: October | November | December.
