S
M
T
W
T
F
S
30
73°
58°
31
79°
59°
1
79°
58°
2
80°
54°
3
78°
50°
4
77°
55°
5
78°
48°
6
77°
48°
7
70°
54°
8
69°
54°
9
74°
50°
10
69°
47°
11
68°
54°
12
76°
46°
13
72°
50°
14
73°
51°
15
73°
54°
16
67°
44°
17
70°
47°
18
Hist. Avg.
70°
47°
19
Hist. Avg.
70°
47°
20
Hist. Avg.
70°
46°
21
Hist. Avg.
69°
46°
22
Hist. Avg.
69°
46°
23
Hist. Avg.
68°
45°
24
Hist. Avg.
68°
45°
25
Hist. Avg.
67°
44°
26
Hist. Avg.
67°
44°
27
Hist. Avg.
66°
44°
28
Hist. Avg.
66°
43°
29
Hist. Avg.
65°
43°
30
Hist. Avg.
65°
43°
1
Hist. Avg.
64°
42°
2
Hist. Avg.
64°
42°
3
Hist. Avg.
63°
42°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Potsdam
Potsdam's September 2026 forecast shows daily high temperatures ranging from 67° to 80°, with overnight lows between 44° and 59°. The average high for September is 74° with an average low of 52°. 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.
