S
M
T
W
T
F
S
30
60°
50°
31
60°
50°
1
59°
50°
2
60°
49°
3
59°
45°
4
59°
45°
5
57°
44°
6
57°
45°
7
58°
46°
8
57°
44°
9
57°
44°
10
62°
46°
11
62°
48°
12
60°
48°
13
61°
46°
14
62°
48°
15
61°
49°
16
62°
48°
17
63°
48°
18
62°
46°
19
62°
48°
20
61°
48°
21
55°
47°
22
55°
46°
23
56°
40°
24
54°
46°
25
54°
46°
26
55°
44°
27
54°
41°
28
53°
40°
29
54°
40°
30
53°
41°
1
52°
40°
2
52°
39°
3
51°
40°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Hollis
Hollis's September 2026 forecast shows daily high temperatures ranging from 51° to 63°, with overnight lows between 39° and 50°. The average high for September is 58° with an average low of 45°. 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 Hollis. See also: October | November | December.
