S
M
T
W
T
F
S
30
79°
63°
31
72°
59°
1
75°
50°
2
77°
50°
3
79°
48°
4
87°
59°
5
75°
46°
6
78°
55°
7
87°
61°
8
70°
54°
9
67°
47°
10
65°
49°
11
66°
52°
12
64°
51°
13
64°
49°
14
67°
51°
15
66°
50°
16
65°
51°
17
64°
47°
18
68°
48°
19
71°
54°
20
70°
53°
21
68°
49°
22
69°
52°
23
69°
52°
24
68°
50°
25
70°
53°
26
70°
52°
27
68°
51°
28
65°
52°
29
67°
51°
30
66°
45°
1
60°
44°
2
58°
44°
3
57°
43°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Gutenberg
Gutenberg's September 2026 forecast shows daily high temperatures ranging from 57° to 87°, with overnight lows between 43° and 61°. The average high for September is 68° with an average low of 51°. 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 Gutenberg. See also: October | November | December.