S
M
T
W
T
F
S
30
87°
56°
31
88°
55°
1
87°
54°
2
86°
54°
3
86°
56°
4
87°
58°
5
88°
59°
6
88°
56°
7
86°
56°
8
83°
57°
9
85°
56°
10
84°
51°
11
82°
52°
12
82°
50°
13
83°
50°
14
81°
51°
15
80°
55°
16
80°
52°
17
85°
51°
18
83°
50°
19
81°
53°
20
83°
55°
21
85°
54°
22
86°
53°
23
83°
56°
24
79°
56°
25
Hist. Avg.
82°
55°
26
Hist. Avg.
82°
55°
27
Hist. Avg.
82°
55°
28
Hist. Avg.
82°
55°
29
Hist. Avg.
82°
55°
30
Hist. Avg.
81°
54°
1
Hist. Avg.
81°
54°
2
Hist. Avg.
81°
54°
3
Hist. Avg.
80°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Morgan Hill
Morgan Hill's September 2026 forecast shows daily high temperatures ranging from 79° to 88°, with overnight lows between 50° and 59°. The average high for September is 84° with an average low of 54°. 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 Morgan Hill. See also: October | November | December.
