S
M
T
W
T
F
S
30
75°
49°
31
75°
52°
1
74°
53°
2
74°
49°
3
75°
51°
4
76°
51°
5
73°
50°
6
73°
47°
7
74°
48°
8
81°
50°
9
83°
53°
10
83°
56°
11
82°
55°
12
83°
56°
13
84°
54°
14
80°
46°
15
77°
49°
16
76°
53°
17
82°
54°
18
83°
49°
19
82°
50°
20
80°
53°
21
78°
54°
22
80°
53°
23
81°
50°
24
79°
52°
25
78°
54°
26
80°
54°
27
80°
52°
28
71°
49°
29
69°
51°
30
71°
50°
1
68°
47°
2
66°
44°
3
65°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Tigard
Tigard's September 2026 forecast shows daily high temperatures ranging from 65° to 84°, with overnight lows between 44° and 56°. The average high for September is 77° with an average low of 51°. 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 Tigard. See also: October | November | December.
