S
M
T
W
T
F
S
30
100°
74°
31
97°
70°
1
93°
71°
2
96°
71°
3
102°
69°
4
101°
67°
5
100°
71°
6
98°
73°
7
98°
69°
8
98°
72°
9
99°
68°
10
94°
69°
11
100°
65°
12
102°
70°
13
100°
66°
14
97°
71°
15
93°
68°
16
83°
64°
17
92°
65°
18
93°
69°
19
98°
70°
20
94°
64°
21
82°
61°
22
82°
58°
23
86°
66°
24
80°
63°
25
79°
62°
26
87°
61°
27
89°
60°
28
87°
58°
29
77°
65°
30
81°
63°
1
72°
58°
2
59°
55°
3
73°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Earth
Earth'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 Earth. See also: October | November | December.
