Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
With September's onset, the weather reveals a slight temperature decrease, transitioning from a moderately hot 79.5°F (26.4°C) in August to a pleasant 73.2°F (22.9°C). During September nights, Saint Petersburg witnesses a consistent average temperature of 53.1°F (11.7°C).Humidity
In September, the average relative humidity in Saint Petersburg, Pennsylvania, is 80%.Rainfall
In Saint Petersburg, Pennsylvania, in September, it is raining for 15.8 days, with typically 2.72" (69mm) of accumulated precipitation. In Saint Petersburg, Pennsylvania, during the entire year, the rain falls for 176.8 days and collects up to 34.57" (878mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in September in Saint Petersburg is 12h and 28min.On the first day of the month, sunrise is at 6:45 am and sunset at 7:50 pm. On the last day of September, in Saint Petersburg, sunrise is at 7:15 am and sunset at 7:01 pm EDT.
Sunshine
The average sunshine in September in Saint Petersburg is 8.2h.UV index
In Saint Petersburg, the average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.Note: In September, the maximum UV index of 3 translates into these guidelines:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Frequently asked questions
What are September temperatures in Saint Petersburg?
What is the average humidity in September in Saint Petersburg?
How many days does it rain in September in Saint Petersburg?
When it does not snow in Saint Petersburg?
Does it snow in Saint Petersburg in September?
How many hours of daylight does Saint Petersburg have in September?
When is the sunrise / sunset in September in Saint Petersburg?
How many hours of sunshine does Saint Petersburg have in September?
How high is the UV index in September in Saint Petersburg?
Average temperature in September
Saint Petersburg, PA
- Average high temperature in September: 73.2°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (30.6°F).
- Average low temperature in September: 53.1°F
The month with the highest average low temperature is July (59.4°F).
The coldest month (with the lowest average low temperature) is January (18.1°F).
Average pressure in September
Saint Petersburg, PA
- Average pressure in September: 30.05"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in September
Saint Petersburg, PA
- Average wind speed in September: 5.6mph
The windiest month (with the highest average wind speed) is January (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).
Average humidity in September
Saint Petersburg, PA
- Average humidity in September: 80%
The month with the highest relative humidity is February (88%).
The month with the lowest relative humidity is July (78%).
Average rainfall in September
Saint Petersburg, PA
- Average rainfall in September: 2.72"
The wettest month (with the highest rainfall) is April (3.7").
The driest month (with the least rainfall) is November (2.17").
Average rainfall days in September
Saint Petersburg, PA
- Average rainfall days in September: 15.8 days
The month with the highest number of rainy days is July (20.1 days).
The month with the least rainy days is January (8.4 days).
Average snowfall in September
Saint Petersburg, PA
- Average snowfall in September: 0"
The month with the highest snowfall is January (6.42").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Saint Petersburg, PA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (17.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Saint Petersburg, PA
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in September: 8h and 1min
The month with the most sunshine is August (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 2h and 24min).
Average sunshine days in September
Saint Petersburg, PA
- Average sunshine days in September: 11.6 days
The month with the most sunshine days is November (14 days).
The month with the least sunshine days is February (8.7 days).
Average UV index in September
Saint Petersburg, PA
- Average UV index in September: 3
The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
Saint Petersburg, PA
- Average cloud cover in September: 42
The month with the most cloud cover is January (Cloud cover 75).
The months with the least cloud cover are July and August (Cloud cover 38).
Average visibility in September
Saint Petersburg, PA
- Average visibility in September: 5mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (5mi).
The months with the lowest visibility are January, February and December (4mi).
Saint Petersburg, Pennsylvania, USA
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