S
M
T
W
T
F
S
30
86°
66°
31
86°
65°
1
85°
64°
2
86°
63°
3
85°
63°
4
84°
62°
5
84°
61°
6
85°
62°
7
86°
64°
8
86°
64°
9
85°
65°
10
87°
64°
11
86°
64°
12
85°
63°
13
86°
64°
14
86°
61°
15
84°
60°
16
82°
61°
17
83°
60°
18
75°
54°
19
73°
52°
20
74°
52°
21
81°
53°
22
82°
51°
23
82°
58°
24
80°
54°
25
76°
51°
26
78°
53°
27
78°
56°
28
79°
55°
29
76°
54°
30
72°
51°
1
77°
51°
2
80°
52°
3
79°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Krypton
Krypton's September 2026 forecast shows daily high temperatures ranging from 72° to 87°, with overnight lows between 51° and 66°. The average high for September is 82° with an average low of 58°. 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 Krypton. See also: October | November | December.