S
M
T
W
T
F
S
30
108°
78°
31
106°
75°
1
103°
68°
2
99°
65°
3
97°
65°
4
96°
71°
5
92°
74°
6
97°
81°
7
101°
82°
8
97°
81°
9
98°
78°
10
97°
75°
11
96°
77°
12
95°
76°
13
94°
75°
14
95°
76°
15
101°
72°
16
104°
76°
17
103°
76°
18
96°
68°
19
96°
70°
20
98°
74°
21
100°
74°
22
100°
73°
23
99°
74°
24
97°
71°
25
97°
73°
26
100°
73°
27
100°
72°
28
98°
73°
29
99°
73°
30
98°
72°
1
99°
71°
2
99°
71°
3
98°
70°
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 92° to 104°, with overnight lows between 65° and 82°. The average high for September is 98° with an average low of 74°. 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.
