S
M
T
W
T
F
S
30
87°
66°
31
87°
66°
1
88°
68°
2
91°
68°
3
91°
69°
4
91°
70°
5
83°
68°
6
82°
66°
7
79°
64°
8
83°
60°
9
84°
64°
10
75°
69°
11
81°
69°
12
82°
70°
13
82°
69°
14
77°
56°
15
85°
58°
16
88°
60°
17
88°
66°
18
81°
67°
19
85°
66°
20
82°
67°
21
83°
66°
22
75°
61°
23
67°
55°
24
63°
48°
25
64°
39°
26
64°
41°
27
65°
44°
28
67°
49°
29
65°
48°
30
75°
51°
1
79°
53°
2
79°
58°
3
66°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in True
True's September 2026 forecast shows daily high temperatures ranging from 66° to 66°, with overnight lows between 57° and 57°. The average high for September is 66° with an average low of 57°. 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 True. See also: October | November | December.
