S
M
T
W
T
F
S
30
96°
68°
31
97°
71°
1
100°
70°
2
99°
71°
3
100°
70°
4
100°
70°
5
101°
69°
6
100°
70°
7
96°
66°
8
93°
64°
9
92°
64°
10
93°
63°
11
92°
65°
12
93°
68°
13
94°
67°
14
94°
66°
15
94°
64°
16
96°
64°
17
92°
62°
18
93°
61°
19
Hist. Avg.
96°
67°
20
Hist. Avg.
95°
67°
21
Hist. Avg.
95°
67°
22
Hist. Avg.
95°
66°
23
Hist. Avg.
94°
66°
24
Hist. Avg.
94°
66°
25
Hist. Avg.
94°
65°
26
Hist. Avg.
93°
65°
27
Hist. Avg.
93°
64°
28
Hist. Avg.
93°
64°
29
Hist. Avg.
92°
64°
30
Hist. Avg.
92°
63°
1
Hist. Avg.
92°
63°
2
Hist. Avg.
91°
62°
3
Hist. Avg.
91°
62°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Cortaro
Cortaro's September 2026 forecast shows daily high temperatures ranging from 92° to 101°, with overnight lows between 61° and 71°. The average high for September is 96° with an average low of 67°. 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 Cortaro. See also: October | November | December.
