S
M
T
W
T
F
S
30
74°
58°
31
75°
52°
1
74°
50°
2
68°
51°
3
68°
50°
4
69°
51°
5
68°
51°
6
67°
52°
7
68°
51°
8
70°
49°
9
67°
51°
10
71°
55°
11
70°
55°
12
66°
54°
13
69°
49°
14
70°
52°
15
67°
53°
16
67°
52°
17
64°
51°
18
63°
51°
19
63°
50°
20
62°
49°
21
Hist. Avg.
64°
48°
22
Hist. Avg.
64°
48°
23
Hist. Avg.
63°
47°
24
Hist. Avg.
63°
47°
25
Hist. Avg.
63°
47°
26
Hist. Avg.
62°
47°
27
Hist. Avg.
62°
46°
28
Hist. Avg.
62°
46°
29
Hist. Avg.
61°
46°
30
Hist. Avg.
61°
46°
1
Hist. Avg.
61°
45°
2
Hist. Avg.
60°
45°
3
Hist. Avg.
60°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Harrietsfield
Harrietsfield's September 2026 forecast shows daily high temperatures ranging from 62° to 75°, with overnight lows between 49° and 58°. The average high for September is 68° with an average low of 52°. 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 Harrietsfield. See also: October | November | December.
