S
M
T
W
T
F
S
30
86°
77°
31
84°
77°
1
85°
77°
2
85°
76°
3
84°
77°
4
86°
76°
5
86°
78°
6
87°
79°
7
86°
77°
8
87°
79°
9
88°
78°
10
86°
78°
11
85°
78°
12
84°
77°
13
86°
78°
14
85°
79°
15
85°
79°
16
86°
78°
17
84°
78°
18
85°
77°
19
85°
79°
20
86°
79°
21
84°
78°
22
85°
79°
23
85°
79°
24
86°
78°
25
85°
77°
26
86°
78°
27
85°
79°
28
85°
79°
29
86°
78°
30
85°
79°
1
85°
79°
2
86°
78°
3
85°
79°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Dededo
Dededo's September 2026 forecast shows daily high temperatures ranging from 84° to 88°, with overnight lows between 76° and 79°. The average high for September is 85° with an average low of 78°. 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 Dededo. See also: October | November | December.
