S
M
T
W
T
F
S
30
88°
57°
31
79°
58°
1
79°
65°
2
85°
59°
3
85°
65°
4
84°
65°
5
88°
57°
6
86°
56°
7
78°
55°
8
78°
55°
9
79°
61°
10
81°
61°
11
83°
54°
12
77°
54°
13
76°
53°
14
77°
61°
15
80°
52°
16
84°
51°
17
75°
50°
18
74°
51°
19
73°
51°
20
74°
52°
21
72°
50°
22
72°
50°
23
74°
51°
24
76°
54°
25
79°
57°
26
79°
56°
27
80°
48°
28
73°
56°
29
72°
56°
30
79°
52°
1
74°
54°
2
73°
51°
3
69°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Medford
Medford's September 2026 forecast shows daily high temperatures ranging from 69° to 88°, with overnight lows between 47° and 65°. The average high for September is 78° with an average low of 55°. 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 Medford. See also: October | November | December.