S
M
T
W
T
F
S
30
80°
59°
31
80°
57°
1
78°
56°
2
76°
57°
3
79°
58°
4
80°
58°
5
79°
57°
6
79°
57°
7
78°
56°
8
77°
55°
9
76°
54°
10
76°
55°
11
78°
54°
12
74°
53°
13
66°
48°
14
64°
44°
15
65°
51°
16
65°
50°
17
66°
45°
18
72°
46°
19
77°
39°
20
74°
40°
21
63°
37°
22
62°
38°
23
64°
44°
24
69°
50°
25
70°
50°
26
71°
51°
27
71°
50°
28
70°
44°
29
70°
42°
30
61°
36°
1
62°
34°
2
54°
33°
3
56°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Phillips
Phillips's September 2026 forecast shows daily high temperatures ranging from 54° to 80°, with overnight lows between 33° and 59°. The average high for September is 71° with an average low of 49°. 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 Phillips. See also: October | November | December.