S
M
T
W
T
F
S
30
83°
58°
31
79°
63°
1
71°
62°
2
75°
62°
3
84°
63°
4
84°
68°
5
79°
59°
6
72°
56°
7
80°
51°
8
81°
55°
9
81°
61°
10
87°
70°
11
78°
56°
12
77°
51°
13
71°
64°
14
74°
53°
15
72°
48°
16
78°
54°
17
80°
66°
18
81°
64°
19
69°
56°
20
65°
57°
21
70°
51°
22
64°
49°
23
65°
49°
24
63°
51°
25
65°
54°
26
66°
51°
27
69°
49°
28
67°
51°
29
70°
50°
30
69°
53°
1
68°
49°
2
69°
48°
3
64°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in TPC River Highlands
TPC River Highlands's September 2026 forecast shows daily high temperatures ranging from 63° to 70°, with overnight lows between 48° and 57°. The average high for September is 67° with an average low of 51°. 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 TPC River Highlands. See also: October | November | December.