September weather forecastPlainview, NY
September
Weather in September
The first month of the autumn, September, is also an agreeable month in Plainview, New York, with an average temperature fluctuating between 64.8°F (18.2°C) and 72.5°F (22.5°C).Temperature
Plainview, New York, in September undergoes a slight reduction in the average high-temperature, shifting from August's moderately hot 79.2°F (26.2°C) to a pleasant 72.5°F (22.5°C). September witnesses a minor deviation from daytime peaks, with an average nighttime temperature of 64.8°F (18.2°C).Humidity
The average relative humidity in September is 73%.Rainfall
The month with the least rainfall is September, when the rain falls for 8.8 days and typically collects 0.35" (9mm) of precipitation.Snowfall
April through November are months without snowfall.Daylight
In September, the average length of the day is 12h and 27min.On the first day of the month, sunrise is at 6:21 am and sunset at 7:25 pm. On the last day of September, sunrise is at 6:50 am and sunset at 6:37 pm EDT.
Sunshine
In September, the average sunshine is 9h.UV index
In September, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.Note: A maximum high daily UV index of 5 during September translates into the following directions:
Guard yourself - Precautionary measures against sun damage are advocated. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Stay sun-safe with clothing that is both closely woven and worn loosely.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Plainview, NY
- Average high temperature in September: 72.5°F
The warmest month (with the highest average high temperature) is July (80.1°F).
The month with the lowest average high temperature is January (37.4°F).
- Average low temperature in September: 64.8°F
The months with the highest average low temperature are July and August (71.2°F).
The coldest month (with the lowest average low temperature) is January (28.8°F).
Average pressure in September
Plainview, 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
Plainview, NY
- Average wind speed in September: 9.4mph
The windiest month (with the highest average wind speed) is January (12.5mph).
The calmest month (with the lowest average wind speed) is July (8.1mph).
Average humidity in September
Plainview, NY
- Average humidity in September: 73%
The months with the highest relative humidity are May and June (76%).
The month with the lowest relative humidity is November (71%).
Average rainfall in September
Plainview, NY
- Average rainfall in September: 0.35"
The wettest month (with the highest rainfall) is July (0.87").
The driest month (with the least rainfall) is September (0.35").
Average rainfall days in September
Plainview, NY
- Average rainfall days in September: 8.8 days
The month with the highest number of rainy days is July (11.3 days).
The month with the least rainy days is January (5.4 days).
Average snowfall in September
Plainview, NY
- Average snowfall in September: 0"
The month with the highest snowfall is March (0.43").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in September
Plainview, NY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (4.4 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
Plainview, NY
- Average daylight in September: 12h and 30min
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: 9h and 0min
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
Plainview, NY
- Average sunshine days in September: 18.6 days
The month with the most sunshine days is January (22.4 days).
The month with the least sunshine days is July (16.9 days).
Average UV index in September
Plainview, 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
Plainview, NY
- Average cloud cover in September: 32
The month with the most cloud cover is December (Cloud cover 48).
The months with the least cloud cover are July and August (Cloud cover 28).
Average visibility in September
Plainview, 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).
