S
M
T
W
T
F
S
30
76°
58°
31
77°
58°
1
79°
57°
2
81°
58°
3
79°
57°
4
76°
53°
5
75°
54°
6
74°
48°
7
75°
54°
8
85°
56°
9
74°
55°
10
82°
55°
11
84°
54°
12
81°
55°
13
83°
54°
14
71°
46°
15
69°
45°
16
69°
49°
17
72°
51°
18
77°
54°
19
74°
52°
20
69°
49°
21
82°
50°
22
80°
49°
23
78°
41°
24
77°
36°
25
71°
46°
26
78°
45°
27
80°
49°
28
78°
36°
29
81°
32°
30
70°
35°
1
63°
40°
2
72°
42°
3
76°
43°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Jolly Dump
Jolly Dump's September 2026 forecast shows daily high temperatures ranging from 63° to 85°, with overnight lows between 32° and 58°. The average high for September is 76° with an average low of 49°. 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 Jolly Dump. See also: October | November | December.