S
M
T
W
T
F
S
30
82°
69°
31
78°
71°
1
80°
68°
2
74°
67°
3
88°
69°
4
86°
75°
5
80°
70°
6
77°
66°
7
79°
66°
8
80°
67°
9
84°
71°
10
87°
72°
11
80°
70°
12
79°
66°
13
82°
69°
14
78°
64°
15
73°
60°
16
79°
65°
17
85°
73°
18
82°
62°
19
71°
63°
20
71°
60°
21
72°
59°
22
65°
57°
23
68°
58°
24
66°
58°
25
68°
58°
26
70°
59°
27
71°
60°
28
72°
60°
29
73°
63°
30
75°
60°
1
74°
59°
2
75°
63°
3
68°
62°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Citi Field
Citi Field's September 2026 forecast shows daily high temperatures ranging from 65° to 82°, with overnight lows between 57° and 63°. The average high for September is 71° with an average low of 60°. 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 Citi Field. See also: October | November | December.
