S
M
T
W
T
F
S
30
95°
70°
31
97°
76°
1
98°
77°
2
96°
77°
3
96°
76°
4
98°
77°
5
100°
78°
6
102°
73°
7
97°
69°
8
99°
74°
9
98°
75°
10
95°
75°
11
93°
68°
12
96°
70°
13
95°
68°
14
93°
67°
15
91°
65°
16
93°
66°
17
92°
67°
18
93°
66°
19
85°
58°
20
89°
64°
21
90°
65°
22
89°
63°
23
89°
63°
24
88°
62°
25
89°
64°
26
88°
63°
27
88°
62°
28
87°
63°
29
87°
62°
30
86°
61°
1
83°
53°
2
75°
51°
3
75°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Ferndale
Ferndale's September 2026 forecast shows daily high temperatures ranging from 75° to 102°, with overnight lows between 49° and 75°. The average high for September is 90° with an average low of 65°. 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 Ferndale. See also: October | November | December.