S
M
T
W
T
F
S
30
79°
59°
31
73°
56°
1
85°
62°
2
87°
60°
3
89°
64°
4
89°
62°
5
89°
64°
6
90°
60°
7
93°
60°
8
93°
59°
9
92°
56°
10
92°
53°
11
91°
54°
12
92°
54°
13
91°
53°
14
88°
48°
15
91°
52°
16
91°
52°
17
90°
51°
18
90°
51°
19
89°
50°
20
88°
46°
21
88°
46°
22
87°
48°
23
88°
49°
24
88°
49°
25
86°
48°
26
84°
48°
27
80°
47°
28
82°
46°
29
81°
45°
30
75°
43°
1
75°
44°
2
76°
40°
3
78°
42°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Westwater
Westwater's September 2026 forecast shows daily high temperatures ranging from 75° to 93°, with overnight lows between 40° and 64°. The average high for September is 87° with an average low of 52°. 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 Westwater. See also: October | November | December.
