September weather forecastPlainedge, NY
September
Weather in September
The first month of the autumn, September, is still a pleasant month in Plainedge, New York, with temperature in the range of an average low of 64.9°F (18.3°C) and an average high of 72.5°F (22.5°C).Temperature
Transition into September subtly marks a drop in the average high-temperature, moderately moving from a warm 78.8°F (26°C) in August to an agreeable 72.5°F (22.5°C). In Plainedge, the nocturnal temperatures throughout September show a marginal dip from the daytime averages, settling at a comfortable 64.9°F (18.3°C).Humidity
In September, the average relative humidity in Plainedge is 74%.Rainfall
In Plainedge, in September, during 12.9 rainfall days, 2.2" (56mm) of precipitation is typically accumulated. Throughout the year, there are 157 rainfall days, and 31.54" (801mm) of precipitation is accumulated.Snowfall
In Plainedge, snow does not fall in May through September.Daylight
In Plainedge, the average length of the day in September is 12h and 27min.On the first day of September, sunrise is at 6:21 am and sunset at 7:25 pm. On the last day of the month, sunrise is at 6:50 am and sunset at 6:37 pm EDT.
Sunshine
In September, the average sunshine in Plainedge is 9.1h.UV index
The average daily maximum UV index in September in Plainedge is 5. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.Note: In September, a daily UV index of 5 turns into the following recommendations:
Undertake precautions - Guarding against sun damage is counselled. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Plainedge, NY
- Average high temperature in September: 72.5°F
The warmest month (with the highest average high temperature) is July (79.5°F).
The month with the lowest average high temperature is January (37.6°F).
- Average low temperature in September: 64.9°F
The month with the highest average low temperature is August (71.6°F).
The coldest month (with the lowest average low temperature) is January (29.3°F).
Average pressure in September
Plainedge, NY
- Average pressure in September: 30.05"Hg
The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Plainedge, NY
- Average wind speed in September: 9.8mph
The windiest month (with the highest average wind speed) is January (13mph).
The calmest month (with the lowest average wind speed) is July (8.6mph).
Average humidity in September
Plainedge, NY
- Average humidity in September: 74%
The month with the highest relative humidity is May (77%).
The month with the lowest relative humidity is November (71%).
Average rainfall in September
Plainedge, NY
- Average rainfall in September: 2.2"
The wettest month (with the highest rainfall) is July (3.46").
The driest month (with the least rainfall) is January (1.85").
Average rainfall days in September
Plainedge, NY
- Average rainfall days in September: 12.9 days
The month with the highest number of rainy days is July (16.8 days).
The month with the least rainy days is January (9 days).
Average snowfall in September
Plainedge, NY
- Average snowfall in September: 0"
The month with the highest snowfall is January (1.3").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Plainedge, NY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (5.5 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
Plainedge, NY
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in September: 9h and 6min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in September
Plainedge, NY
- Average sunshine days in September: 15.5 days
The month with the most sunshine days is November (17.3 days).
The month with the least sunshine days is July (12.3 days).
Average UV index in September
Plainedge, NY
- Average UV index in September: 5
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 and December (UV index 2).
Average cloud cover in September
Plainedge, NY
- Average cloud cover in September: 32
The months with the most cloud cover are February and December (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in September
Plainedge, 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).
