S
M
T
W
T
F
S
30
102°
76°
31
102°
76°
1
101°
77°
2
94°
77°
3
93°
74°
4
96°
76°
5
98°
77°
6
97°
75°
7
97°
77°
8
95°
77°
9
96°
76°
10
95°
75°
11
97°
76°
12
97°
78°
13
96°
77°
14
96°
76°
15
96°
77°
16
96°
76°
17
99°
76°
18
95°
74°
19
94°
68°
20
95°
70°
21
94°
76°
22
100°
73°
23
97°
77°
24
93°
73°
25
91°
64°
26
90°
69°
27
93°
67°
28
94°
74°
29
95°
70°
30
95°
75°
1
90°
73°
2
79°
73°
3
76°
71°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Frankston
Frankston's September 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for September is ° with an average low of °. 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 Frankston. See also: October | November | December.
