S
M
T
W
T
F
S
30
85°
63°
31
85°
64°
1
84°
64°
2
83°
63°
3
77°
60°
4
77°
56°
5
76°
55°
6
76°
55°
7
77°
59°
8
83°
61°
9
80°
57°
10
78°
61°
11
76°
50°
12
74°
52°
13
74°
51°
14
73°
50°
15
74°
53°
16
75°
55°
17
74°
58°
18
77°
50°
19
80°
48°
20
72°
47°
21
71°
47°
22
71°
48°
23
72°
48°
24
75°
49°
25
76°
55°
26
76°
55°
27
72°
54°
28
72°
51°
29
74°
46°
30
75°
45°
1
69°
45°
2
73°
53°
3
70°
43°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Emerald Valley
Emerald Valley's September 2026 forecast shows daily high temperatures ranging from 69° to 85°, with overnight lows between 43° and 64°. The average high for September is 76° with an average low of 53°. 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 Emerald Valley. See also: October | November | December.
