September weather forecastFarmingdale, NY
September
Weather in September
September, the first month of the autumn in Farmingdale, is also an agreeable month, with an average temperature varying between 72.5°F (22.5°C) and 65.5°F (18.6°C).Temperature
September's arrival aligns with a minor decrease in average high-temperatures, from August's warm 78.6°F (25.9°C) to a pleasant 72.5°F (22.5°C). September sees a slight dip to an average low temperature of 65.5°F (18.6°C) from the daytime highs.Humidity
The average relative humidity in September in Farmingdale, New York, is 74%.Rainfall
In Farmingdale, New York, in September, it is raining for 12 days, with typically 0.79" (20mm) of accumulated precipitation. In Farmingdale, during the entire year, the rain falls for 128.1 days and collects up to 12.56" (319mm) of precipitation.Snowfall
In Farmingdale, snow does not fall in June through October.Daylight
In Farmingdale, New York, the average length of the day in September 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 9.1h.UV index
The average daily maximum UV index in September in Farmingdale is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: In September, the maximum UV index of 5 translates into these guidelines:
Exercise prevention - Warding off sunburn is urged. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Farmingdale, NY
- Average high temperature in September: 72.5°F
The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is January (37.8°F).
- Average low temperature in September: 65.5°F
The month with the highest average low temperature is August (71.8°F).
The coldest month (with the lowest average low temperature) is January (29.7°F).
Average pressure in September
Farmingdale, 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
Farmingdale, NY
- Average wind speed in September: 10.1mph
The windiest month (with the highest average wind speed) is January (13.3mph).
The calmest month (with the lowest average wind speed) is July (8.7mph).
Average humidity in September
Farmingdale, 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
Farmingdale, NY
- Average rainfall in September: 0.79"
The wettest month (with the highest rainfall) is July (1.73").
The driest month (with the least rainfall) is February (0.59").
Average rainfall days in September
Farmingdale, NY
- Average rainfall days in September: 12 days
The month with the highest number of rainy days is July (14.1 days).
The month with the least rainy days is January (5.9 days).
Average snowfall in September
Farmingdale, NY
- Average snowfall in September: 0"
The month with the highest snowfall is March (0.35").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in September
Farmingdale, NY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3.8 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Farmingdale, 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 54min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in September
Farmingdale, NY
- Average sunshine days in September: 16.2 days
The month with the most sunshine days is January (21.8 days).
The month with the least sunshine days is June (14 days).
Average UV index in September
Farmingdale, 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
Farmingdale, NY
- Average cloud cover in September: 32
The month with the most cloud cover is December (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in September
Farmingdale, 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).
