S
M
T
W
T
F
S
30
80°
48°
31
82°
53°
1
86°
56°
2
78°
60°
3
72°
51°
4
71°
49°
5
72°
46°
6
71°
46°
7
79°
51°
8
82°
54°
9
84°
53°
10
80°
60°
11
78°
48°
12
78°
51°
13
56°
50°
14
73°
46°
15
67°
53°
16
78°
49°
17
83°
47°
18
83°
51°
19
83°
53°
20
83°
44°
21
85°
49°
22
79°
58°
23
75°
54°
24
71°
47°
25
68°
51°
26
68°
43°
27
N/A
28
72°
41°
29
71°
53°
30
72°
47°
1
72°
47°
2
79°
47°
3
79°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Monitor
Monitor's September 2026 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 Monitor. See also: October | November | December.
