S
M
T
W
T
F
S
30
73°
54°
31
72°
53°
1
72°
51°
2
73°
54°
3
75°
52°
4
76°
55°
5
73°
56°
6
72°
52°
7
76°
50°
8
75°
56°
9
72°
49°
10
72°
51°
11
74°
55°
12
74°
54°
13
72°
47°
14
70°
57°
15
74°
58°
16
79°
52°
17
76°
46°
18
69°
44°
19
66°
44°
20
65°
45°
21
67°
44°
22
71°
52°
23
71°
50°
24
67°
44°
25
67°
42°
26
66°
43°
27
65°
43°
28
63°
42°
29
63°
42°
30
64°
40°
1
Hist. Avg.
66°
42°
2
Hist. Avg.
65°
42°
3
Hist. Avg.
65°
41°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Alden
Alden's September 2026 forecast shows daily high temperatures ranging from 63° to 79°, with overnight lows between 40° and 58°. The average high for September is 71° 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 Alden. See also: October | November | December.
