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
A mild shift in the average high-temperature occurs in September, reducing from a moderately hot 79.9°F (26.6°C) in August to a still warm 73.6°F (23.1°C). During the September nights, Warren Grove's temperature maintains an average close to the daytime highs, settling at an enjoyable 65.3°F (18.5°C).Humidity
In Warren Grove, the average relative humidity in September is 77%.Rainfall
In September, the rain falls for 11.7 days. Throughout September, 1.14" (29mm) of precipitation is accumulated. Throughout the year, in Warren Grove, there are 138.1 rainfall days, and 17.4" (442mm) of precipitation is accumulated.Snowfall
In Warren Grove, snow does not fall in April through October.Daylight
The average length of the day in September is 12h and 26min.On the first day of the month, sunrise is at 6:26 am and sunset at 7:28 pm. On the last day of September, sunrise is at 6:53 am and sunset at 6:41 pm EDT.
Sunshine
In Warren Grove, New Jersey, the average sunshine in September is 9.3h.UV index
The average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: The UV index of 5 during September translates into the following guidance:
Guard yourself - Avoiding sunburn is suggested. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures?
What is the average humidity in September?
How many days does it rain in September?
When it does not snow?
What is the average length of the day in September?
When is the sunrise / sunset in September in Warren Grove?
How many hours of sunshine does Warren Grove have in September?
What is the UV index intensity in September?
Average temperature in September
Warren Grove, NJ
- Average high temperature in September: 73.6°F
The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (39.6°F).
- Average low temperature in September: 65.3°F
The month with the highest average low temperature is July (71.1°F).
The coldest month (with the lowest average low temperature) is January (30°F).
Average pressure in September
Warren Grove, NJ
- Average pressure in September: 30.04"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in September
Warren Grove, NJ
- Average wind speed in September: 9.4mph
The windiest month (with the highest average wind speed) is January (12.2mph).
The calmest month (with the lowest average wind speed) is August (8.1mph).
Average humidity in September
Warren Grove, NJ
- Average humidity in September: 77%
The months with the highest relative humidity are May and June (80%).
The months with the lowest relative humidity are January, March and November (74%).
Average rainfall in September
Warren Grove, NJ
- Average rainfall in September: 1.14"
The wettest month (with the highest rainfall) is July (2.09").
The driest month (with the least rainfall) is January (0.98").
Average rainfall days in September
Warren Grove, NJ
- Average rainfall days in September: 11.7 days
The month with the highest number of rainy days is July (15.7 days).
The month with the least rainy days is January (7.4 days).
Average snowfall in September
Warren Grove, NJ
- Average snowfall in September: 0"
The month with the highest snowfall is January (1.02").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Warren Grove, NJ
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (4.3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Warren Grove, NJ
- Average daylight in September: 12h and 2min
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 2min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).
Average sunshine days in September
Warren Grove, NJ
- Average sunshine days in September: 15.4 days
The month with the most sunshine days is January (19.8 days).
The month with the least sunshine days is July (12.5 days).
Average UV index in September
Warren Grove, 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, November and December (UV index 2).
Average cloud cover in September
Warren Grove, NJ
- Average cloud cover in September: 31
The month with the most cloud cover is February (Cloud cover 46).
The months with the least cloud cover are July and August (Cloud cover 26).
Average visibility in September
Warren Grove, 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).
Warren Grove, New Jersey, USA
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