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
The move into September indicates a slight reduction in the average high-temperature, down from August's moderately hot 76.5°F (24.7°C) to a pleasant 69.1°F (20.6°C). In September, Petersburg's temperature tends to fall to an average low of 49.3°F (9.6°C) during the night.Humidity
The average relative humidity in September in Petersburg, New York, is 81%.Rainfall
In Petersburg, during September, the rain falls for 12.9 days and regularly aggregates up to 2.72" (69mm) of precipitation. Throughout the year, in Petersburg, there are 167.1 rainfall days, and 35.98" (914mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in September in Petersburg, New York, is 12h and 29min.On the first day of September, sunrise is at 6:18 am and sunset at 7:27 pm. On the last day of the month, sunrise is at 6:50 am and sunset at 6:35 pm EDT.
Sunshine
In September, the average sunshine in Petersburg is 8.3h.UV index
The average daily maximum UV index in September in Petersburg is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for average individuals.Note: The average daily UV index of 3 in September transforms into the following instructions:
Take measures. Individuals with light skin might experience burns in under 30 minutes. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Frequently asked questions
What is the average September temperature in Petersburg?
What is the average humidity in September in Petersburg?
How many days does it rain in September in Petersburg?
When it does not snow in Petersburg?
Does it snow in Petersburg in September?
How many hours of daylight does Petersburg have in September?
When are sunrise and sunset in September in Petersburg?
How long on average sun shines in September in Petersburg?
What is the UV index intensity in September in Petersburg?
Average temperature in September
Petersburg, NY
- Average high temperature in September: 69.1°F
The warmest month (with the highest average high temperature) is July (78.6°F).
The month with the lowest average high temperature is January (27°F).
- Average low temperature in September: 49.3°F
The month with the highest average low temperature is July (57°F).
The coldest month (with the lowest average low temperature) is January (14.7°F).
Average pressure in September
Petersburg, NY
- Average pressure in September: 30.06"Hg
The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in September
Petersburg, NY
- Average wind speed in September: 5.5mph
The windiest months (with the highest average wind speed) are January and February (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in September
Petersburg, NY
- Average humidity in September: 81%
The month with the highest relative humidity is February (86%).
The month with the lowest relative humidity is April (77%).
Average rainfall in September
Petersburg, NY
- Average rainfall in September: 2.72"
The wettest month (with the highest rainfall) is October (3.62").
The driest month (with the least rainfall) is March (2.6").
Average rainfall days in September
Petersburg, NY
- Average rainfall days in September: 12.9 days
The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is February (7.8 days).
Average snowfall in September
Petersburg, NY
- Average snowfall in September: 0"
The month with the highest snowfall is February (10").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Petersburg, NY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (15.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Petersburg, NY
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in September: 8h and 2min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is February (Average sunshine: 3h and 24min).
Average sunshine days in September
Petersburg, NY
- Average sunshine days in September: 14.3 days
The month with the most sunshine days is September (14.3 days).
The month with the least sunshine days is February (9 days).
Average UV index in September
Petersburg, NY
- Average UV index in September: 3
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are February and December (UV index 1).
Average cloud cover in September
Petersburg, NY
- Average cloud cover in September: 41
The month with the most cloud cover is February (Cloud cover 64).
The months with the least cloud cover are July and August (Cloud cover 38).
Average visibility in September
Petersburg, NY
- Average visibility in September: 5mi
The months with the highest visibility are January, March, April, May, June, July, August, September, October, November and December (5mi).
The month with the lowest visibility is February (4mi).
Petersburg, New York, USA
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