S
M
T
W
T
F
S
30
100°
79°
31
84°
70°
1
95°
74°
2
96°
75°
3
95°
76°
4
97°
74°
5
96°
73°
6
99°
75°
7
100°
74°
8
98°
73°
9
95°
71°
10
96°
70°
11
96°
73°
12
98°
73°
13
97°
72°
14
100°
69°
15
100°
73°
16
101°
73°
17
101°
72°
18
100°
72°
19
100°
71°
20
99°
70°
21
100°
69°
22
100°
71°
23
99°
71°
24
100°
70°
25
99°
70°
26
95°
67°
27
91°
64°
28
94°
66°
29
93°
64°
30
92°
64°
1
92°
65°
2
93°
66°
3
92°
66°
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 91° to 101°, with overnight lows between 64° and 76°. The average high for September is 97° with an average low of 70°. 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.