S
M
T
W
T
F
S
30
94°
75°
31
94°
74°
1
95°
75°
2
95°
75°
3
96°
74°
4
96°
74°
5
95°
73°
6
94°
73°
7
94°
70°
8
94°
71°
9
92°
71°
10
93°
69°
11
96°
72°
12
95°
70°
13
95°
71°
14
96°
71°
15
95°
68°
16
92°
68°
17
84°
67°
18
84°
68°
19
85°
68°
20
88°
69°
21
91°
67°
22
89°
64°
23
90°
66°
24
89°
67°
25
87°
66°
26
88°
66°
27
89°
63°
28
87°
62°
29
80°
61°
30
79°
59°
1
78°
58°
2
80°
57°
3
80°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Tool
Tool's September 2026 forecast shows daily high temperatures ranging from 78° to 96°, with overnight lows between 57° and 75°. The average high for September is 90° with an average low of 68°. 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 Tool. See also: October | November | December.
