S
M
T
W
T
F
S
30
100°
79°
31
84°
70°
1
93°
70°
2
97°
77°
3
95°
73°
4
99°
79°
5
97°
77°
6
99°
77°
7
97°
81°
8
100°
79°
9
100°
81°
10
102°
81°
11
100°
81°
12
93°
79°
13
100°
79°
14
96°
77°
15
95°
75°
16
93°
76°
17
94°
73°
18
98°
74°
19
100°
73°
20
99°
70°
21
101°
69°
22
97°
69°
23
98°
68°
24
99°
69°
25
102°
70°
26
96°
65°
27
96°
68°
28
90°
63°
29
89°
64°
30
89°
63°
1
93°
65°
2
93°
66°
3
90°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Marana
Marana's September 2026 forecast shows daily high temperatures ranging from 89° to 102°, with overnight lows between 60° and 79°. The average high for September is 96° with an average low of 69°. 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 Marana. See also: October | November | December.