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
Piermont, New York, observes a small decrease in the average high-temperature with the arrival of September, falling from August's 82.9°F (28.3°C) to a still moderately hot 75.2°F (24°C). Piermont experiences an average low-temperature of 58.5°F (14.7°C) in month of September.Humidity
In Piermont, the average relative humidity in September is 74%.Rainfall
In Piermont, during September, the rain falls for 12.5 days and regularly aggregates up to 2.01" (51mm) of precipitation. In Piermont, during the entire year, the rain falls for 151.8 days and collects up to 30.79" (782mm) of precipitation.Snowfall
In Piermont, snow does not fall in May through September.Daylight
The average length of the day in September is 12h and 28min.On the first day of the month, sunrise is at 6:23 am and sunset at 7:27 pm. On the last day of September, sunrise is at 6:52 am and sunset at 6:38 pm EDT.
Sunshine
The average sunshine in September is 8.7h.UV index
The average daily maximum UV index in September in Piermont is 4. 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: A typical high UV index of 4 in September suggests the following recommendations:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Piermont in September?
What is the average humidity in September?
How much does it rain in September?
When it does not snow?
Does it snow in September?
How many hours of daylight does Piermont have in September?
When is the sunrise / sunset in September?
How long on average sun shines in September?
What is the UV index intensity in September in Piermont?
Average temperature in September
Piermont, NY
- Average high temperature in September: 75.2°F
The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is January (35.2°F).
- Average low temperature in September: 58.5°F
The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).
Average pressure in September
Piermont, NY
- Average pressure in September: 30.06"Hg
The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Piermont, NY
- Average wind speed in September: 5.9mph
The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).
Average humidity in September
Piermont, NY
- Average humidity in September: 74%
The months with the highest relative humidity are February and December (77%).
The month with the lowest relative humidity is August (70%).
Average rainfall in September
Piermont, NY
- Average rainfall in September: 2.01"
The wettest month (with the highest rainfall) is July (3.35").
The driest month (with the least rainfall) is January (1.89").
Average rainfall days in September
Piermont, NY
- Average rainfall days in September: 12.5 days
The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is January (6.8 days).
Average snowfall in September
Piermont, NY
- Average snowfall in September: 0"
The month with the highest snowfall is March (2.8").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Piermont, NY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (5.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Piermont, NY
- 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 4min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in September
Piermont, NY
- Average sunshine days in September: 14.9 days
The months with the most sunshine days are January and November (20 days).
The month with the least sunshine days is July (10.9 days).
Average UV index in September
Piermont, NY
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in September
Piermont, NY
- Average cloud cover in September: 36
The months with the most cloud cover are February, March and December (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in September
Piermont, NY
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Piermont, New York, USA
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