S
M
T
W
T
F
S
30
107°
74°
31
104°
75°
1
106°
76°
2
107°
77°
3
108°
74°
4
106°
72°
5
102°
72°
6
101°
71°
7
100°
69°
8
99°
70°
9
99°
70°
10
100°
71°
11
100°
72°
12
101°
73°
13
103°
72°
14
103°
70°
15
100°
70°
16
99°
72°
17
99°
73°
18
100°
74°
19
100°
73°
20
102°
71°
21
102°
73°
22
100°
72°
23
97°
68°
24
96°
66°
25
95°
65°
26
94°
66°
27
93°
68°
28
94°
67°
29
95°
68°
30
100°
69°
1
94°
66°
2
95°
65°
3
Hist. Avg.
96°
62°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Borrego Springs
Borrego Springs's September 2026 forecast shows daily high temperatures ranging from 93° to 108°, with overnight lows between 65° and 77°. The average high for September is 100° with an average low of 71°. 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 Borrego Springs. See also: October | November | December.
