S
M
T
W
T
F
S
30
77°
61°
31
80°
64°
1
77°
55°
2
76°
53°
3
79°
55°
4
72°
58°
5
74°
58°
6
85°
60°
7
78°
65°
8
82°
62°
9
71°
49°
10
79°
48°
11
73°
55°
12
59°
48°
13
N/A
14
59°
50°
15
62°
38°
16
64°
47°
17
69°
44°
18
70°
49°
19
67°
45°
20
66°
46°
21
70°
45°
22
68°
48°
23
70°
47°
24
69°
48°
25
70°
48°
26
71°
49°
27
68°
46°
28
58°
43°
29
63°
44°
30
65°
43°
1
65°
43°
2
63°
42°
3
64°
42°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Birchdale
Birchdale's September 2026 forecast shows daily high temperatures ranging from 58° to 71°, with overnight lows between 38° and 50°. The average high for September is 66° with an average low of 45°. 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 Birchdale. See also: October | November | December.