S
M
T
W
T
F
S
30
84°
63°
31
84°
63°
1
86°
62°
2
85°
61°
3
82°
63°
4
84°
62°
5
82°
62°
6
78°
61°
7
79°
61°
8
78°
55°
9
80°
54°
10
77°
60°
11
82°
60°
12
83°
59°
13
80°
60°
14
81°
58°
15
82°
59°
16
83°
60°
17
Hist. Avg.
78°
55°
18
Hist. Avg.
78°
55°
19
Hist. Avg.
78°
54°
20
Hist. Avg.
77°
54°
21
Hist. Avg.
77°
54°
22
Hist. Avg.
76°
53°
23
Hist. Avg.
76°
53°
24
Hist. Avg.
76°
52°
25
Hist. Avg.
75°
52°
26
Hist. Avg.
75°
52°
27
Hist. Avg.
74°
51°
28
Hist. Avg.
74°
51°
29
Hist. Avg.
74°
50°
30
Hist. Avg.
73°
50°
1
Hist. Avg.
73°
50°
2
Hist. Avg.
72°
49°
3
Hist. Avg.
72°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Bartlettsville
Bartlettsville's September 2026 forecast shows daily high temperatures ranging from 77° to 86°, with overnight lows between 54° and 63°. The average high for September is 82° with an average low of 60°. 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 Bartlettsville. See also: October | November | December.
