S
M
T
W
T
F
S
30
103°
75°
31
100°
75°
1
99°
77°
2
100°
72°
3
102°
76°
4
103°
75°
5
100°
75°
6
95°
78°
7
100°
76°
8
99°
76°
9
99°
69°
10
86°
69°
11
97°
72°
12
104°
71°
13
104°
69°
14
93°
60°
15
83°
63°
16
87°
65°
17
88°
62°
18
85°
59°
19
82°
58°
20
81°
60°
21
86°
57°
22
88°
63°
23
87°
63°
24
81°
62°
25
83°
62°
26
85°
61°
27
86°
62°
28
79°
61°
29
80°
51°
30
83°
49°
1
74°
49°
2
75°
47°
3
74°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Borger
Borger's September 2026 forecast shows daily high temperatures ranging from 74° to 104°, with overnight lows between 47° and 76°. The average high for September is 87° with an average low of 61°. 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 Borger. See also: October | November | December.