S
M
T
W
T
F
S
30
93°
76°
31
97°
75°
1
97°
74°
2
96°
75°
3
96°
76°
4
94°
77°
5
96°
77°
6
97°
76°
7
96°
76°
8
96°
75°
9
91°
76°
10
93°
74°
11
91°
74°
12
92°
73°
13
93°
74°
14
94°
75°
15
92°
74°
16
93°
74°
17
93°
73°
18
90°
74°
19
93°
73°
20
93°
68°
21
92°
68°
22
87°
69°
23
87°
68°
24
88°
68°
25
88°
69°
26
89°
70°
27
91°
72°
28
92°
72°
29
92°
73°
30
93°
71°
1
92°
72°
2
92°
67°
3
90°
70°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Calallen
Calallen's September 2026 forecast shows daily high temperatures ranging from 87° to 97°, with overnight lows between 67° and 77°. The average high for September is 93° with an average low of 73°. 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 Calallen. See also: October | November | December.
