S
M
T
W
T
F
S
31
81°
51°
1
80°
52°
2
88°
43°
3
75°
45°
4
82°
47°
5
71°
38°
6
77°
28°
7
86°
45°
8
92°
47°
9
89°
42°
10
89°
45°
11
88°
60°
12
91°
50°
13
85°
58°
14
65°
55°
15
87°
45°
16
76°
55°
17
60°
53°
18
68°
47°
19
72°
45°
20
81°
43°
21
85°
45°
22
78°
48°
23
71°
49°
24
75°
41°
25
82°
36°
26
88°
41°
27
78°
37°
28
85°
46°
29
82°
51°
30
84°
50°
1
83°
44°
2
88°
41°
3
91°
49°
4
81°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Ellsworth
Ellsworth's September 2025 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for September is ° with an average low of °. 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 Ellsworth. See also: October | November | December.