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St. Petersburg (FL)
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St. Petersburg (FL)
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United States weather

Weather in St. Petersburg, Florida for September 2027

Your guide to St. Petersburg weather in September - trends and predictions

    Temperatures

  • In general, the average temperature in St. Petersburg at the beginning of September is 30.7 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 29.9 °C by the end of September.

    • Rain 🌧️

  • St. Petersburg in September brings notable rainfall, with an average of 19 rainy days and a total precipitation of 336.4 mm.

    • More

  • Is September a good time to visit St. Petersburg? check out the best time to travel to St. Petersburg page.

  • ✨ Is September a good time to visit St. Petersburg? – Ask the AI Weatherman

Average dry days
11
Dry days
Average rainy days
19
Rainy days
Average snowy days
0
Snow days
Average temperatures
30°/25°
Temperatures
Average wind speed
23 km/h
Avg max wind
Average humidity
75 %
Avg humidity

St. Petersburg Weather September

Move between months or click on a day
August
October
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Moderate or heavy rain shower
31°
2
Heavy rain
31°
3
Light rain
31°
4
Heavy rain
31°
5
Light rain
31°
6
Light rain
31°
7
Heavy rain
31°
8
Thundery outbreaks possible
29°
9
Moderate rain
29°
10
Moderate rain
31°
11
Thundery outbreaks possible
31°
12
Patchy rain possible
31°
13
Light rain
30°
14
Light rain
31°
15
Patchy rain possible
31°
16
Moderate or heavy rain shower
30°
17
Patchy rain possible
30°
18
Light rain
31°
19
Light rain shower
31°
20
Light rain
30°
21
Moderate rain
31°
22
Light rain
31°
23
Patchy rain possible
32°
24
Light rain
32°
25
Thundery outbreaks possible
30°
26
Patchy light rain with thunder
29°
27
Moderate rain
30°
28
Light rain
29°
29
Light rain
30°
30
Light rain
30°

Temperatures trend during September in St. Petersburg

See the weather trend as well as the moving average line

September weather in St. Petersburg day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
Sept. 1 Moderate or heavy rain shower
Moderate or heavy rain shower
 31° /25° 9.2 mm 8
Sept. 2 Heavy rain
Heavy rain
 31° /26° 45 mm 7
Sept. 3 Light rain
Light rain
 31° /26° 3 mm 6
Sept. 4 Heavy rain
Heavy rain
 31° /26° 58.1 mm 7
Sept. 5 Light rain
Light rain
 31° /26° 6 mm 8
Sept. 6 Light rain
Light rain
 31° /26° 8.4 mm 8
Sept. 7 Heavy rain
Heavy rain
 31° /27° 41.7 mm 8
Sept. 8 Thundery outbreaks possible
Thundery outbreaks possible
 29° /26° 6.3 mm 6
Sept. 9 Moderate rain
Moderate rain
 29° /25° 17 mm 6
Sept. 10 Moderate rain
Moderate rain
 31° /26° 15 mm 6
Sept. 11 Thundery outbreaks possible
Thundery outbreaks possible
 31° /26° 7.1 mm 8
Sept. 12 Patchy rain possible
Patchy rain possible
 31° /26° 1.3 mm 6
Sept. 13 Light rain
Light rain
 30° /25° 5.3 mm 7
Sept. 14 Light rain
Light rain
 31° /26° 2.7 mm 7
Sept. 15 Patchy rain possible
Patchy rain possible
 31° /26° 1.4 mm 7
Sept. 16 Moderate or heavy rain shower
Moderate or heavy rain shower
 30° /25° 6.9 mm 6
Sept. 17 Patchy rain possible
Patchy rain possible
 30° /25° 1.3 mm 7
Sept. 18 Light rain
Light rain
 31° /26° 2.6 mm 8
Sept. 19 Light rain shower
Light rain shower
 31° /25° 2.1 mm 7
Sept. 20 Light rain
Light rain
 30° /25° 4.8 mm 8
Sept. 21 Moderate rain
Moderate rain
 31° /24° 13.3 mm 8
Sept. 22 Light rain
Light rain
 31° /24° 6.9 mm 8
Sept. 23 Patchy rain possible
Patchy rain possible
 32° /25° 1.9 mm 7
Sept. 24 Light rain
Light rain
 32° /25° 4.3 mm 8
Sept. 25 Thundery outbreaks possible
Thundery outbreaks possible
 30° /25° 12.6 mm 7
Sept. 26 Patchy light rain with thunder
Patchy light rain with thunder
 29° /24° 16.8 mm 7
Sept. 27 Moderate rain
Moderate rain
 30° /26° 13.6 mm 7
Sept. 28 Light rain
Light rain
 29° /25° 8.5 mm 6
Sept. 29 Light rain
Light rain
 30° /25° 8.4 mm 5
Sept. 30 Light rain
Light rain
 30° /24° 4.7 mm 6
Next
Important Notice
Our weather forecast for St. Petersburg in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the St. Petersburg forecast closer to your planned date for the most up-to-date weather information.
Change Month
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St. Petersburg in September - FAQ

What are the expected maximum and minimum temperatures in St. Petersburg during September?
During September, expect a variety of temperatures with highs around 30° and lows near 25°, suitable for diverse activities and preferences.

How much rainfall should be expected in St. Petersburg during September?
Significant rainfall exceeding 336.4 mm is expected in St. Petersburg during September, occurring over more than 19 days. Preparing for wet conditions is recommended in your planning.

What are the typical wind conditions in St. Petersburg during September?
The average wind speed in St. Petersburg during September is 23 km/h, suggesting breezy to windy conditions, depending on your activities.

September rainfall patterns in St. Petersburg

Explore the daily rainfall trends and prepare for St. Petersburgs September weather 💧
Typically, St. Petersburg has 19 rainy days in September with a total of 336.4 mm of rainfall.

UV exposure in St. Petersburg during September

Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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Location coordinates Where is St. Petersburg?

Get accurate weather forecasts for St. Petersburg, located at latitude 27.771 and longitude -82.679. Stay updated with localized weather information tailored for St. Petersburg.

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