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 the onset of September, the average high-temperature subtly recedes from August's warm 75.6°F (24.2°C) to a pleasant 69.1°F (20.6°C). During September, Plessis's temperature falls to a steady low-temperature average of 52.2°F (11.2°C).Humidity
In September, the average relative humidity in Plessis is 78%.Rainfall
September is the month with the least rainfall in Plessis. Rain falls for 13.8 days and accumulates 1.77" (45mm) of precipitation.Snowfall
June through September are months without snowfall in Plessis.Daylight
The average length of the day in September is 12h and 30min.On the first day of the month, sunrise is at 6:27 am and sunset at 7:39 pm. On the last day of September, sunrise is at 7:00 am and sunset at 6:45 pm EDT.
Sunshine
The average sunshine in September is 9.2h.UV index
The average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: In September, the maximum UV index of 3 suggests this advice:
Make use of precautions - Suggestions to resist sunburn are communicated. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Frequently asked questions
What are September temperatures in Plessis?
What is the average humidity in September in Plessis?
What is the driest month in Plessis?
How many days does it rain in September in Plessis?
When it does not snow in Plessis?
Does it snow in Plessis in September?
What is the average length of the day in September in Plessis?
When is the sunrise / sunset in September in Plessis?
How long on average sun shines in September in Plessis?
How high is the UV index in September in Plessis?
Average temperature in September
Plessis, NY
- Average high temperature in September: 69.1°F
The warmest month (with the highest average high temperature) is July (76.6°F).
The month with the lowest average high temperature is January (25°F).
- Average low temperature in September: 52.2°F
The month with the highest average low temperature is July (59.7°F).
The coldest month (with the lowest average low temperature) is January (13.1°F).
Average pressure in September
Plessis, NY
- Average pressure in September: 30.04"Hg
The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in September
Plessis, NY
- Average wind speed in September: 7mph
The windiest month (with the highest average wind speed) is January (9.7mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).
Average humidity in September
Plessis, NY
- Average humidity in September: 78%
The months with the highest relative humidity are January and February (88%).
The month with the lowest relative humidity is April (77%).
Average rainfall in September
Plessis, NY
- Average rainfall in September: 1.77"
The wettest month (with the highest rainfall) is October (3.39").
The driest month (with the least rainfall) is September (1.77").
Average rainfall days in September
Plessis, NY
- Average rainfall days in September: 13.8 days
The month with the highest number of rainy days is October (17.4 days).
The month with the least rainy days is February (8.1 days).
Average snowfall in September
Plessis, NY
- Average snowfall in September: 0"
The month with the highest snowfall is December (9.13").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Plessis, NY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (20.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Plessis, NY
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in September: 9h and 1min
The months with the most sunshine are July and August (Average sunshine: 10h and 18min).
The months with the least sunshine are January and February (Average sunshine: 2h and 54min).
Average sunshine days in September
Plessis, NY
- Average sunshine days in September: 14.8 days
The month with the most sunshine days is September (14.8 days).
The month with the least sunshine days is February (6.9 days).
Average UV index in September
Plessis, NY
- Average UV index in September: 3
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in September
Plessis, NY
- Average cloud cover in September: 33
The months with the most cloud cover are January and February (Cloud cover 71).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in September
Plessis, NY
- Average visibility in September: 6mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).
Plessis, New York, USA
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