S
M
T
W
T
F
S
30
76°
53°
31
68°
62°
1
82°
65°
2
69°
62°
3
81°
62°
4
76°
63°
5
73°
57°
6
72°
52°
7
72°
48°
8
74°
47°
9
75°
53°
10
78°
62°
11
71°
50°
12
72°
46°
13
74°
57°
14
67°
42°
15
68°
49°
16
75°
59°
17
77°
61°
18
74°
53°
19
66°
56°
20
63°
50°
21
62°
49°
22
60°
48°
23
61°
50°
24
65°
47°
25
67°
49°
26
65°
44°
27
66°
51°
28
68°
50°
29
68°
47°
30
62°
44°
1
60°
47°
2
62°
49°
3
65°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Swiftwater
Swiftwater's September 2026 forecast shows daily high temperatures ranging from 60° to 77°, with overnight lows between 42° and 61°. The average high for September is 66° with an average low of 50°. 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 Swiftwater. See also: October | November | December.
