World Resorts USA St. Petersburg Weather

St. Petersburg 14 Days Forecast

02.09
wed
Day
84°F
NW 6 mph
Precip.
23%
Night
81°F
W 16 mph
Precip.
55%
03.09
thu
Day
86°F
N 9 mph
Precip.
46%
Night
84°F
NW 6 mph
Precip.
31%
04.09
fri
Day
84°F
N 4 mph
Precip.
18%
Night
86°F
SE 5 mph
Precip.
23%
05.09
sat
Day
84°F
NE 5 mph
Precip.
14%
Night
84°F
NE 12 mph
Precip.
7%
06.09
sun
Day
86°F
NE 14 mph
Precip.
13%
Night
84°F
E 6 mph
Precip.
6%
07.09
mon
Day
86°F
NE 4 mph
Precip.
4%
Night
86°F
NE 8 mph
Precip.
4%
08.09
tue
Day
86°F
NW 3 mph
Precip.
3%
Night
86°F
NE 9 mph
Precip.
10%
09.09
wed
Day
88°F
SE 4 mph
Precip.
3%
Night
86°F
SE 9 mph
Precip.
5%
10.09
thu
Day
86°F
SE 4 mph
Precip.
4%
Night
86°F
SE 8 mph
Precip.
8%
11.09
fri
Day
88°F
SE 8 mph
Precip.
4%
Night
86°F
SE 11 mph
Precip.
5%
12.09
sat
Day
88°F
SE 11 mph
Precip.
4%
Night
86°F
SE 7 mph
Precip.
5%
13.09
sun
Day
88°F
W 3 mph
Precip.
13%
Night
86°F
W 9 mph
Precip.
14%
14.09
mon
Day
86°F
W 7 mph
Precip.
4%
Night
86°F
SW 9 mph
Precip.
8%
15.09
tue
Day
84°F
N 3 mph
Precip.
5%
Night
86°F
SE 9 mph
Precip.
7%

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

Sunniest months:
May 20 days
March 20 days
April 20 days
Warmest months:
July 88.0 °F
August 87.6 °F
June 86.5 °F
Warmest sea temp:
August 87.3 °F
July 87.3 °F
June 85.2 °F
Coldest months:
January 64.4 °F
February 68.4 °F
December 68.4 °F
Rainiest months:
August 4 days
July 4 days
September 4 days
Windiest months:
April 12.2 mph
November 12.1 mph
October 12.1 mph

St. Petersburg on a weather map

St. Petersburg
+84°F
NW 6 mph
Feels like: +97°F
Precip.: 23%
Places in USA:
Name
°F
+72°F
+95°F
+77°F
+84°F
+70°F
+88°F
+63°F
+91°F
+73°F
+73°F
+64°F
+70°F
+84°F
+91°F
+86°F
24 Hours Forecast
St. Petersburg
Local time: 12:50
September 02, wednesday
1500
91°F
NE
7 mph
1800
82°F
W
2 mph
2100
82°F
W
11 mph
September 03, thursday
0000
81°F
W
16 mph
0300
81°F
NW
14 mph
0600
81°F
NW
11 mph
0900
82°F
NW
10 mph
1200
86°F
N
9 mph
Units of measurement: °C / °F