S
M
T
W
T
F
S
30
77°
59°
31
78°
57°
1
77°
52°
2
70°
50°
3
70°
49°
4
71°
49°
5
71°
50°
6
75°
57°
7
78°
57°
8
77°
56°
9
77°
57°
10
78°
56°
11
77°
56°
12
78°
55°
13
78°
58°
14
79°
46°
15
68°
48°
16
65°
46°
17
68°
49°
18
69°
47°
19
67°
44°
20
67°
44°
21
75°
49°
22
76°
52°
23
75°
43°
24
70°
40°
25
68°
42°
26
70°
48°
27
73°
51°
28
72°
48°
29
68°
39°
30
63°
40°
1
63°
47°
2
67°
43°
3
70°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Killawog
Killawog's September 2026 forecast shows daily high temperatures ranging from 63° to 79°, with overnight lows between 39° and 59°. The average high for September is 72° 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 Killawog. See also: October | November | December.