S
M
T
W
T
F
S
30
87°
59°
31
84°
59°
1
84°
58°
2
86°
55°
3
86°
56°
4
85°
58°
5
87°
59°
6
81°
55°
7
81°
55°
8
82°
53°
9
79°
51°
10
78°
53°
11
78°
46°
12
81°
52°
13
82°
51°
14
81°
51°
15
80°
51°
16
80°
50°
17
81°
51°
18
81°
51°
19
80°
50°
20
80°
49°
21
79°
49°
22
80°
48°
23
79°
49°
24
79°
49°
25
78°
48°
26
76°
48°
27
77°
47°
28
76°
47°
29
75°
46°
30
75°
47°
1
74°
46°
2
74°
44°
3
73°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Agate
Agate's September 2026 forecast shows daily high temperatures ranging from 73° to 87°, with overnight lows between 44° and 59°. The average high for September is 80° with an average low of 51°. 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 Agate. See also: October | November | December.
