September weather forecastElmer, NJ
September
Weather in September
September, the first month of the autumn in Elmer, is still a warm month, with temperature in the range of an average low of 61.2°F (16.2°C) and an average high of 76.5°F (24.7°C).Temperature
September's arrival comes with a mild decrease in the average high-temperature, moving subtly from a moderately hot 83.3°F (28.5°C) in August to a still warm 76.5°F (24.7°C). Elmer experiences an average nighttime temperature of 61.2°F (16.2°C) in the month of September.Humidity
In Elmer, the average relative humidity in September is 77%.Rainfall
The month with the least rainfall in Elmer is September, when the rain falls for 12 days and typically collects 1.73" (44mm) of precipitation.Snowfall
In Elmer, snow does not fall in June through October.Daylight
The average length of the day in September in Elmer is 12h and 26min.On the first day of the month, sunrise is at 6:29 am and sunset at 7:31 pm. On the last day of September, in Elmer, sunrise is at 6:56 am and sunset at 6:44 pm EDT.
Sunshine
In Elmer, the average sunshine in September is 9.1h.UV index
The average daily maximum UV index in September in Elmer is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum daily UV index of 5 in September interprets into the following recommendations:
Undertake precautions - It is suggested to shield oneself from sunburn. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Elmer, NJ
- Average high temperature in September: 76.5°F
The warmest month (with the highest average high temperature) is July (85.3°F).
The month with the lowest average high temperature is January (38.1°F).
- Average low temperature in September: 61.2°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (26.8°F).
Average pressure in September
Elmer, NJ
- Average pressure in September: 30.05"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in September
Elmer, NJ
- Average wind speed in September: 6.2mph
The windiest month (with the highest average wind speed) is April (8.7mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).
Average humidity in September
Elmer, NJ
- Average humidity in September: 77%
The month with the highest relative humidity is October (78%).
The month with the lowest relative humidity is April (71%).
Average rainfall in September
Elmer, NJ
- Average rainfall in September: 1.73"
The wettest month (with the highest rainfall) is December (3.35").
The driest month (with the least rainfall) is September (1.73").
Average rainfall days in September
Elmer, NJ
- Average rainfall days in September: 12 days
The month with the highest number of rainy days is July (16.9 days).
The month with the least rainy days is January (8.8 days).
Average snowfall in September
Elmer, NJ
- Average snowfall in September: 0"
The month with the highest snowfall is March (3.54").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in September
Elmer, NJ
- 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 June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Elmer, NJ
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- 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 54min).
Average sunshine days in September
Elmer, NJ
- Average sunshine days in September: 16.3 days
The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is July (11.8 days).
Average UV index in September
Elmer, NJ
- Average UV index in September: 5
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Elmer, NJ
- Average cloud cover in September: 35
The months with the most cloud cover are February and March (Cloud cover 46).
The months with the least cloud cover are July and August (Cloud cover 30).
Average visibility in September
Elmer, 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).
