S
M
T
W
T
F
S
30
79°
48°
31
74°
52°
1
75°
56°
2
74°
53°
3
79°
56°
4
81°
49°
5
79°
48°
6
72°
48°
7
72°
46°
8
71°
49°
9
74°
53°
10
75°
45°
11
70°
44°
12
70°
45°
13
71°
46°
14
70°
44°
15
69°
43°
16
67°
43°
17
67°
42°
18
66°
41°
19
66°
42°
20
67°
41°
21
67°
41°
22
70°
45°
23
72°
48°
24
72°
44°
25
71°
50°
26
73°
44°
27
72°
39°
28
63°
46°
29
63°
46°
30
71°
42°
1
69°
46°
2
68°
45°
3
66°
37°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Beaverton Township
Beaverton Township's September 2026 forecast shows daily high temperatures ranging from 63° to 81°, with overnight lows between 37° and 56°. The average high for September is 71° with an average low of 46°. 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 Beaverton Township. See also: October | November | December.
