S
M
T
W
T
F
S
30
86°
61°
31
85°
59°
1
81°
58°
2
81°
60°
3
82°
60°
4
81°
61°
5
87°
64°
6
81°
66°
7
87°
64°
8
85°
58°
9
79°
57°
10
79°
56°
11
78°
56°
12
79°
58°
13
78°
57°
14
77°
56°
15
78°
57°
16
79°
60°
17
78°
56°
18
80°
59°
19
82°
57°
20
Hist. Avg.
80°
58°
21
Hist. Avg.
79°
58°
22
Hist. Avg.
79°
58°
23
Hist. Avg.
78°
57°
24
Hist. Avg.
78°
57°
25
Hist. Avg.
78°
56°
26
Hist. Avg.
77°
56°
27
Hist. Avg.
77°
56°
28
Hist. Avg.
76°
55°
29
Hist. Avg.
76°
55°
30
Hist. Avg.
76°
54°
1
Hist. Avg.
75°
54°
2
Hist. Avg.
75°
54°
3
Hist. Avg.
75°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Highgrove
Highgrove's September 2026 forecast shows daily high temperatures ranging from 77° to 87°, with overnight lows between 56° and 66°. The average high for September is 81° with an average low of 59°. 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 Highgrove. See also: October | November | December.
