S
M
T
W
T
F
S
30
85°
69°
31
87°
71°
1
89°
71°
2
89°
72°
3
88°
72°
4
87°
68°
5
84°
67°
6
84°
68°
7
85°
71°
8
84°
71°
9
85°
70°
10
86°
70°
11
87°
69°
12
87°
70°
13
86°
70°
14
87°
69°
15
87°
69°
16
86°
70°
17
86°
69°
18
85°
68°
19
85°
67°
20
84°
63°
21
84°
67°
22
81°
67°
23
81°
66°
24
84°
62°
25
83°
61°
26
79°
66°
27
83°
65°
28
79°
64°
29
82°
63°
30
82°
65°
1
81°
64°
2
82°
63°
3
79°
64°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Northchase
Northchase's September 2026 forecast shows daily high temperatures ranging from 79° to 89°, with overnight lows between 61° and 72°. The average high for September is 84° 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 Northchase. See also: October | November | December.