16.09
wed
wed
Day
61°F
SE 10 mph
Precip.
10%
10%
Night
59°F
E 16 mph
Precip.
18%
18%
17.09
thu
thu
Day
63°F
NE 28 mph
Precip.
58%
58%
Night
59°F
E 19 mph
Precip.
15%
15%
18.09
fri
fri
Day
61°F
E 15 mph
Precip.
8%
8%
Night
63°F
E 24 mph
Precip.
28%
28%
19.09
sat
sat
Day
64°F
NE 22 mph
Precip.
24%
24%
Night
64°F
E 17 mph
Precip.
34%
34%
20.09
sun
sun
Day
63°F
E 5 mph
Precip.
15%
15%
Night
64°F
SE 7 mph
Precip.
7%
7%
21.09
mon
mon
Day
64°F
E 6 mph
Precip.
8%
8%
Night
66°F
NE 9 mph
Precip.
8%
8%
22.09
tue
tue
Day
64°F
NW 11 mph
Precip.
14%
14%
Night
63°F
SW 13 mph
Precip.
10%
10%
23.09
wed
wed
Day
63°F
W 14 mph
Precip.
8%
8%
Night
66°F
W 11 mph
Precip.
8%
8%
24.09
thu
thu
Day
68°F
E 6 mph
Precip.
6%
6%
Night
63°F
S 12 mph
Precip.
8%
8%
25.09
fri
fri
Day
63°F
SW 10 mph
Precip.
14%
14%
Night
59°F
W 13 mph
Precip.
13%
13%
26.09
sat
sat
Day
61°F
W 8 mph
Precip.
18%
18%
Night
59°F
SW 11 mph
Precip.
8%
8%
27.09
sun
sun
Day
61°F
NW 6 mph
Precip.
9%
9%
Night
61°F
SE 12 mph
Precip.
6%
6%
28.09
mon
mon
Day
61°F
E 13 mph
Precip.
17%
17%
Night
61°F
E 19 mph
Precip.
20%
20%
29.09
tue
tue
Day
63°F
E 30 mph
Precip.
35%
35%
Night
57°F
SE 26 mph
Precip.
6%
6%
sea water
temperature
temperature
| Brighton |
monthly
weather
weather
| Brighton |
current
weather
weather
| Brighton |
7 days
forecast
forecast
| Brighton |
Sea water temperature in September, °F
Show year:
2026
2025
2024
The average sea water temperature in September of 2026 was 67.1°F. The highest and lowest sea temperatures during the month were 68.0°F and 66.4°F.
Air temperature in Brighton, °F
Precipitation total in Brighton, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Brighton
Brighton on a weather map
Places in United Kingdom:
Name
°F
24 Hours Forecast
Brighton
Local time: 03:52
September 16, wednesday
0600
57°F
SE
12 mph
12 mph
0900
57°F
SE
14 mph
14 mph
1200
61°F
SE
10 mph
10 mph
1500
63°F
E
13 mph
13 mph
1800
64°F
SE
16 mph
16 mph
2100
63°F
E
15 mph
15 mph
September 17, thursday
0000
59°F
E
16 mph
16 mph
0300
61°F
E
20 mph
20 mph
