St Petersburg in september: average Weather, Temperature and Climate
Weather in St Petersburg in september 2025
The weather in St Petersburg in september comes from statistical datas on the past years. You can view the weather statistics for the whole month, but also navigating through the tabs for the beginning, the middle and the end of the month.
Average weather throughout september
tolerable weather UV index: 7
Weather at 6am
79°F
Clear/Sunny
44% of time
28%
21%
5%
Weather at 12pm
88°F
Clear/Sunny
39% of time
30%
19%
11%
Weather at 6pm
85°F
Clear/Sunny
32% of time
23%
23%
21%
Weather at 3am
81°F
44%
29%
22%
4%
Evolution of daily average temperature and precipitation in St Petersburg in september
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in St Petersburg in september.
The climate of St Petersburg in september is tolerable
The weather in september in St Petersburg is wet (with 8.8in of rainfall over 15 days). The weather is better from the previous month since in august it receives an average of 10.4in of precipitation over 19 days.
The climate nice here the month of september. The thermometer averaged maximum of 90°F. In the morning the temperature drops to 79°F. Thus, the mean temperature average in september in St Petersburg is 85°F. Note that seasonal normals in contrast with those observed in St Petersburg in the month of september with a maximum record of 94°F in 2010 and a minimum record of 72°F in 2009. You can expect to have 86°F or more for all the month.
Day length in St Petersburg in september is 12:19. Sunrise is at 06:16 and sets at 18:35.
With a correct weather, the month of september is okay (but not good) to go there in Florida.
St Petersburg: another month?
If you can push back the dates of your trip, we advise you to go in october to St Petersburg. more information
September: another location in Florida?
If you want to go to Florida in september, there are destinations with better weather than St Petersburg:
In september, Everglades National Park, Apalachicola, Cedar Key, Falling Waters State Park, Fort Walton Beach and Gainesville have good weather.
Seasonal average climate and temperature of St Petersburg in september
Check below seasonal norms These statistics are compiled from the weather statements of the past years of the month of september.
| September | |||||
| Outside temperature | |||||
| Average temperature | 85°F | ||||
| Highest temperature | 90°F | ||||
| Lowest temperature | 79°F | ||||
| Highest record temperature | 94°F (2010) | ||||
| Lowest record temperature | 72°F (2009) | ||||
| Number of days at +86°F | 27 day(s) (90%) | ||||
| Number of days at +65°F | 30 day(s) (100%) | ||||
| Sea temperature | |||||
| Average sea temperature | 85°F | ||||
| Lowest sea temperature | 83°F | ||||
| Highest sea temperature | 87°F | ||||
| Wind | |||||
| Wind speed | 16km/h | ||||
| Wind temperature | 79°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 8.8in | ||||
| Number of days with rainfall | 15 day(s) (50%) | ||||
| Record daily rainfall | 2.7in (2013) | ||||
| Other climate data | |||||
| Humidity | 83% | ||||
| Visibility | 9.31km | ||||
| Cloud cover | 28% | ||||
| UV index | 7 | ||||
| Daily sunshine hours | 11 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 06:16 | ||||
| Time of sunset | 18:35 | ||||
| Length of day | 12:19 | ||||
| Our opinion about the weather in september | |||||
| Our opinion at whereandwhen.net | tolerable | ||||
How was the weather last september?
Here is the day by day recorded weather in St Petersburg in september 2024:
79°F to 88°F
79°F to 88°F
83°F to 88°F
83°F to 92°F
83°F to 90°F
85°F to 88°F
83°F to 86°F
79°F to 86°F
83°F to 88°F
79°F to 85°F
81°F to 86°F
83°F to 88°F
83°F to 86°F
81°F to 86°F
83°F to 86°F
81°F to 86°F
79°F to 88°F
81°F to 90°F
79°F to 90°F
77°F to 88°F
76°F to 92°F
77°F to 90°F
77°F to 95°F
79°F to 94°F
77°F to 90°F
77°F to 85°F
85°F to 88°F
81°F to 85°F
83°F to 88°F
79°F to 88°F
Map: other cities in Florida in september
Cities near St Petersburg:
| Egmont Key in september | tolerable weather |
| Clearwater in september | tolerable weather |
| Tampa in september | tolerable weather |
| Anna Maria Island in september | tolerable weather |
| Caladesi Island in september | tolerable weather |
| Sarasota in september | tolerable weather |
| Lido Key in september | tolerable weather |
| Lakeland in september | good weather |
| Hernando Beach in september | good weather |
| Port Charlotte in september | tolerable weather |
| Sebring in september | tolerable weather |
| Pine Island in september | tolerable weather |
Click over cities on the map for information about the weather in september.
St Petersburg
perfect weather
good
tolerable
bad
very bad
Weather data for St Petersburg in september:
Weather data for St Petersburg for september are derived from an average of the weather forecast since 2009 in St Petersburg. There is a margin of error and these forecasts are to be considered as general information only. The weather in St Petersburg can vary slightly from year to year, but this data should limit surprises. So you can pack your bags or check for the best time in year to go to St Petersburg.