S
M
T
W
T
F
S
30
N/A
31
84°
79°
1
84°
79°
2
84°
80°
3
85°
77°
4
85°
77°
5
85°
78°
6
87°
77°
7
86°
70°
8
87°
71°
9
87°
79°
10
84°
78°
11
83°
80°
12
83°
80°
13
84°
79°
14
83°
79°
15
82°
78°
16
83°
78°
17
83°
77°
18
84°
78°
19
83°
78°
20
83°
80°
21
84°
80°
22
83°
79°
23
83°
79°
24
84°
78°
25
83°
80°
26
84°
78°
27
83°
79°
28
83°
80°
29
84°
79°
30
84°
80°
1
85°
80°
2
84°
79°
3
84°
80°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Matu`u
Matu`u's September 2026 forecast shows daily high temperatures ranging from 82° to 87°, with overnight lows between 70° and 80°. The average high for September is 84° 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 Matu`u. See also: October | November | December.