S
M
T
W
T
F
S
30
93°
70°
31
94°
68°
1
98°
70°
2
99°
71°
3
100°
72°
4
98°
70°
5
96°
68°
6
97°
63°
7
95°
63°
8
93°
62°
9
94°
60°
10
93°
58°
11
89°
56°
12
91°
58°
13
89°
57°
14
90°
56°
15
91°
60°
16
91°
59°
17
90°
60°
18
92°
60°
19
91°
59°
20
91°
59°
21
90°
58°
22
90°
59°
23
89°
58°
24
86°
57°
25
87°
57°
26
83°
55°
27
80°
56°
28
80°
54°
29
81°
53°
30
80°
53°
1
81°
52°
2
82°
52°
3
82°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Salt Flat
Salt Flat's September 2026 forecast shows daily high temperatures ranging from 80° to 100°, with overnight lows between 52° and 72°. The average high for September is 90° 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 Salt Flat. See also: October | November | December.
