02.09
wed
wed
Day

84°F
NW 6 mph
Precip.
23%
23%
Night

81°F
W 16 mph
Precip.
55%
55%
03.09
thu
thu
Day

86°F
N 9 mph
Precip.
46%
46%
Night

84°F
NW 6 mph
Precip.
31%
31%
04.09
fri
fri
Day

84°F
N 4 mph
Precip.
18%
18%
Night

86°F
SE 5 mph
Precip.
23%
23%
05.09
sat
sat
Day

84°F
NE 5 mph
Precip.
14%
14%
Night

84°F
NE 12 mph
Precip.
7%
7%
06.09
sun
sun
Day

86°F
NE 14 mph
Precip.
13%
13%
Night

84°F
E 6 mph
Precip.
6%
6%
07.09
mon
mon
Day

86°F
NE 4 mph
Precip.
4%
4%
Night

86°F
NE 8 mph
Precip.
4%
4%
08.09
tue
tue
Day

86°F
NW 3 mph
Precip.
3%
3%
Night

86°F
NE 9 mph
Precip.
10%
10%
09.09
wed
wed
Day

88°F
SE 4 mph
Precip.
3%
3%
Night

86°F
SE 9 mph
Precip.
5%
5%
10.09
thu
thu
Day

86°F
SE 4 mph
Precip.
4%
4%
Night

86°F
SE 8 mph
Precip.
8%
8%
11.09
fri
fri
Day

88°F
SE 8 mph
Precip.
4%
4%
Night

86°F
SE 11 mph
Precip.
5%
5%
12.09
sat
sat
Day

88°F
SE 11 mph
Precip.
4%
4%
Night

86°F
SE 7 mph
Precip.
5%
5%
13.09
sun
sun
Day

88°F
W 3 mph
Precip.
13%
13%
Night

86°F
W 9 mph
Precip.
14%
14%
14.09
mon
mon
Day

86°F
W 7 mph
Precip.
4%
4%
Night

86°F
SW 9 mph
Precip.
8%
8%
15.09
tue
tue
Day

84°F
N 3 mph
Precip.
5%
5%
Night

86°F
SE 9 mph
Precip.
7%
7%
sea water
temperature
temperature
| St. Petersburg |
monthly
weather
weather
| St. Petersburg |
current
weather
weather
| St. Petersburg |
7 days
forecast
forecast
| St. Petersburg |
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 84.1°F. The highest and lowest sea temperatures during the month were 86.4°F and 81.9°F.
Air temperature in St. Petersburg, °F
Precipitation total in St. Petersburg, in.
* Charts above show average data for the last 3 years.
Best time for vacation in St. Petersburg
St. Petersburg on a weather map
Places in USA:
Name
°F
24 Hours Forecast
St. Petersburg
Local time: 12:50
September 02, wednesday
1500

91°F
NE
7 mph
7 mph
1800

82°F
W
2 mph
2 mph
2100

82°F
W
11 mph
11 mph
September 03, thursday
0000

81°F
W
16 mph
16 mph
0300

81°F
NW
14 mph
14 mph
0600

81°F
NW
11 mph
11 mph
0900

82°F
NW
10 mph
10 mph
1200

86°F
N
9 mph
9 mph




























