S
M
T
W
T
F
S
30
83°
53°
31
82°
52°
1
80°
48°
2
81°
50°
3
81°
51°
4
80°
51°
5
78°
50°
6
76°
52°
7
80°
52°
8
82°
53°
9
83°
52°
10
75°
46°
11
73°
45°
12
79°
50°
13
80°
52°
14
82°
51°
15
81°
50°
16
78°
45°
17
73°
46°
18
79°
49°
19
73°
49°
20
77°
46°
21
Hist. Avg.
76°
47°
22
Hist. Avg.
76°
47°
23
Hist. Avg.
76°
46°
24
Hist. Avg.
75°
46°
25
Hist. Avg.
75°
46°
26
Hist. Avg.
74°
46°
27
Hist. Avg.
74°
46°
28
Hist. Avg.
74°
45°
29
Hist. Avg.
73°
45°
30
Hist. Avg.
73°
45°
1
Hist. Avg.
72°
45°
2
Hist. Avg.
72°
44°
3
Hist. Avg.
71°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Eugene-Springfield
Eugene-Springfield's September 2026 forecast shows daily high temperatures ranging from 73° to 83°, with overnight lows between 45° and 53°. The average high for September is 79° with an average low of 50°. 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 Eugene-Springfield. See also: October | November | December.
