S
M
T
W
T
F
S
30
80°
61°
31
80°
63°
1
81°
64°
2
80°
62°
3
80°
55°
4
78°
53°
5
77°
54°
6
78°
54°
7
81°
55°
8
84°
59°
9
83°
61°
10
81°
53°
11
77°
53°
12
77°
57°
13
78°
51°
14
76°
51°
15
75°
50°
16
74°
49°
17
75°
50°
18
76°
52°
19
79°
51°
20
77°
54°
21
79°
54°
22
77°
56°
23
81°
56°
24
75°
55°
25
76°
55°
26
78°
54°
27
80°
54°
28
81°
53°
29
81°
54°
30
80°
53°
1
80°
54°
2
79°
47°
3
80°
42°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Terre Haute
Terre Haute's September 2026 forecast shows daily high temperatures ranging from 74° to 84°, with overnight lows between 42° and 64°. The average high for September is 79° with an average low of 54°. 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 Terre Haute. See also: October | November | December.
