S
M
T
W
T
F
S
30
84°
60°
31
80°
60°
1
79°
61°
2
78°
61°
3
78°
64°
4
79°
59°
5
82°
59°
6
78°
58°
7
77°
57°
8
76°
58°
9
76°
57°
10
79°
62°
11
81°
62°
12
75°
61°
13
75°
62°
14
74°
55°
15
73°
54°
16
Hist. Avg.
77°
57°
17
Hist. Avg.
77°
56°
18
Hist. Avg.
76°
56°
19
Hist. Avg.
76°
56°
20
Hist. Avg.
75°
55°
21
Hist. Avg.
75°
55°
22
Hist. Avg.
75°
55°
23
Hist. Avg.
74°
54°
24
Hist. Avg.
74°
54°
25
Hist. Avg.
73°
54°
26
Hist. Avg.
73°
53°
27
Hist. Avg.
72°
53°
28
Hist. Avg.
72°
52°
29
Hist. Avg.
72°
52°
30
Hist. Avg.
71°
52°
1
Hist. Avg.
71°
51°
2
Hist. Avg.
70°
51°
3
Hist. Avg.
70°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Neshaminy
Neshaminy's September 2026 forecast shows daily high temperatures ranging from 73° to 84°, with overnight lows between 54° and 64°. The average high for September is 78° 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 Neshaminy. See also: October | November | December.
