S
M
T
W
T
F
S
30
73°
63°
31
72°
59°
1
72°
57°
2
70°
63°
3
79°
66°
4
70°
59°
5
73°
55°
6
77°
61°
7
77°
56°
8
69°
51°
9
69°
49°
10
69°
57°
11
71°
53°
12
72°
58°
13
71°
57°
14
72°
58°
15
72°
54°
16
67°
54°
17
67°
53°
18
68°
55°
19
66°
47°
20
67°
52°
21
69°
52°
22
69°
51°
23
68°
51°
24
68°
50°
25
67°
47°
26
65°
47°
27
65°
48°
28
64°
49°
29
64°
48°
30
66°
48°
1
65°
43°
2
64°
48°
3
65°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Bulphan
Bulphan's September 2026 forecast shows daily high temperatures ranging from 64° to 77°, with overnight lows between 43° and 61°. The average high for September is 68° 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 Bulphan. See also: October | November | December.