S
M
T
W
T
F
S
30
81°
43°
31
69°
49°
1
79°
59°
2
70°
51°
3
70°
53°
4
75°
48°
5
78°
42°
6
83°
50°
7
62°
49°
8
66°
49°
9
66°
50°
10
62°
43°
11
80°
52°
12
66°
51°
13
56°
36°
14
65°
34°
15
65°
48°
16
61°
45°
17
62°
32°
18
58°
37°
19
60°
43°
20
56°
34°
21
62°
34°
22
63°
37°
23
66°
38°
24
65°
37°
25
67°
40°
26
66°
41°
27
60°
45°
28
58°
40°
29
56°
38°
30
57°
41°
1
62°
41°
2
55°
37°
3
58°
39°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Geraldton
Geraldton's September 2026 forecast shows daily high temperatures ranging from 55° to 67°, with overnight lows between 32° and 45°. The average high for September is 61° with an average low of 38°. 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 Geraldton. See also: October | November | December.
