September weather forecastFarmingdale, NJ
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Farmingdale, New Jersey, with an average temperature fluctuating between 64.4°F (18°C) and 73.6°F (23.1°C).Temperature
Farmingdale's September weather shows a modest shift in high-temperatures, falling from August's moderately hot 79.5°F (26.4°C) to a still warm 73.6°F (23.1°C). In September, Farmingdale encounters an average low-temperature of 64.4°F (18°C) during the night.Humidity
In September, the average relative humidity is 76%.Rainfall
In Farmingdale, during September, the rain falls for 13.5 days and regularly aggregates up to 2.17" (55mm) of precipitation. Throughout the year, there are 161.4 rainfall days, and 32.64" (829mm) of precipitation is accumulated.Snowfall
In Farmingdale, New Jersey, snow does not fall in May through September.Daylight
The average length of the day in September is 12h and 27min.On the first day of the month, sunrise is at 6:24 am and sunset at 7:27 pm. On the last day of September, sunrise is at 6:52 am and sunset at 6:40 pm EDT.
Sunshine
In Farmingdale, the average sunshine in September is 9.2h.UV index
In Farmingdale, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.Note: The daily high UV index of 5 in September translates into this advice:
Ensure safety - Imperative it is to shield skin and eyes from damage. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Farmingdale, NJ
- Average high temperature in September: 73.6°F
The warmest month (with the highest average high temperature) is July (80.4°F).
The month with the lowest average high temperature is January (38.1°F).
- Average low temperature in September: 64.4°F
The month with the highest average low temperature is July (70.5°F).
The coldest month (with the lowest average low temperature) is January (28.6°F).
Average pressure in September
Farmingdale, NJ
- Average pressure in September: 30.05"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Farmingdale, NJ
- Average wind speed in September: 8.9mph
The windiest month (with the highest average wind speed) is January (12mph).
The calmest month (with the lowest average wind speed) is July (7.7mph).
Average humidity in September
Farmingdale, NJ
- Average humidity in September: 76%
The month with the highest relative humidity is May (80%).
The months with the lowest relative humidity are January, March and November (74%).
Average rainfall in September
Farmingdale, NJ
- Average rainfall in September: 2.17"
The wettest month (with the highest rainfall) is July (3.7").
The driest month (with the least rainfall) is January (1.93").
Average rainfall days in September
Farmingdale, NJ
- Average rainfall days in September: 13.5 days
The month with the highest number of rainy days is July (17.6 days).
The month with the least rainy days is November (9.2 days).
Average snowfall in September
Farmingdale, NJ
- Average snowfall in September: 0"
The months with the highest snowfall are January, March and December (1.1").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Farmingdale, NJ
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (4.8 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
Farmingdale, NJ
- Average daylight in September: 12h and 24min
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 24min).
- Average sunshine in September: 9h and 12min
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 54min).
Average sunshine days in September
Farmingdale, NJ
- Average sunshine days in September: 14.4 days
The month with the most sunshine days is November (18.4 days).
The month with the least sunshine days is July (11.3 days).
Average UV index in September
Farmingdale, NJ
- 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, November and December (UV index 2).
Average cloud cover in September
Farmingdale, NJ
- Average cloud cover in September: 33
The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in September
Farmingdale, NJ
- 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).





