Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
As Ridgefield enters September, the average high-temperature subtly lowers from the 82°F (27.8°C) of August to a still moderately hot 75°F (23.9°C). Ridgefield witnesses a consistent average low-temperature of 61.5°F (16.4°C) throughout September.Humidity
The average relative humidity in September is 73%.Rainfall
In Ridgefield, in September, it is raining for 9.8 days, with typically 0.71" (18mm) of accumulated precipitation. In Ridgefield, during the entire year, the rain falls for 112.4 days and collects up to 10.2" (259mm) of precipitation.Snowfall
April through October 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 6:23 am and sunset at 7:27 pm. On the last day of September, sunrise is at 6:52 am and sunset at 6:39 pm EDT.
Sunshine
In September, the average sunshine is 8.8h.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 exposure to the Sun's UV radiation for average individuals.Note: In September, the average maximum UV index of 5 translates into the following recommendations:
Ensure safety - Imperative it is to shield skin and eyes from damage. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Experience reduced UV exposure by about half when donning a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Ridgefield in September?
What is the average humidity in September?
How much does it rain in September?
When it does not snow in Ridgefield?
What is the average length of the day in September?
When are sunrise and sunset in September in Ridgefield?
How many hours of sunshine does Ridgefield have in September?
What is the UV index intensity in September?
Average temperature in September
Ridgefield, NJ
- Average high temperature in September: 75°F
The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (36.3°F).
- Average low temperature in September: 61.5°F
The month with the highest average low temperature is July (69.3°F).
The coldest month (with the lowest average low temperature) is January (25.7°F).
Average pressure in September
Ridgefield, NJ
- Average pressure in September: 30.05"Hg
The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Ridgefield, NJ
- Average wind speed in September: 7mph
The windiest month (with the highest average wind speed) is January (9.6mph).
The calmest month (with the lowest average wind speed) is July (6.4mph).
Average humidity in September
Ridgefield, NJ
- Average humidity in September: 73%
The month with the highest relative humidity is February (76%).
The month with the lowest relative humidity is August (70%).
Average rainfall in September
Ridgefield, NJ
- Average rainfall in September: 0.71"
The wettest month (with the highest rainfall) is July (1.22").
The driest month (with the least rainfall) is February (0.51").
Average rainfall days in September
Ridgefield, NJ
- Average rainfall days in September: 9.8 days
The month with the highest number of rainy days is July (12.3 days).
The month with the least rainy days is January (5.6 days).
Average snowfall in September
Ridgefield, NJ
- Average snowfall in September: 0"
The months with the highest snowfall are February, March and December (0.47").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Ridgefield, NJ
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (4.2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Ridgefield, NJ
- Average daylight in September: 12h and 3min
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: 8h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in September
Ridgefield, NJ
- Average sunshine days in September: 17.9 days
The month with the most sunshine days is January (21.8 days).
The month with the least sunshine days is June (16.1 days).
Average UV index in September
Ridgefield, 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
Ridgefield, NJ
- Average cloud cover in September: 35
The months with the most cloud cover are February, March and December (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in September
Ridgefield, 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).
Ridgefield, New Jersey, USA
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