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
The onset of September results in a small decrease in the average high-temperature, moderately receding from a moderately hot 78.6°F (25.9°C) in August to a pleasant 72.7°F (22.6°C). Nights in September exhibit a minor reduction to an average low temperature of 65.3°F (18.5°C).Humidity
The average relative humidity in September is 77%.Rainfall
In Mantoloking, during September, the rain falls for 12 days and regularly aggregates up to 1.46" (37mm) of precipitation. Throughout the year, in Mantoloking, there are 132 rainfall days, and 17.17" (436mm) of precipitation is accumulated.Snowfall
April through October are months without snowfall.Daylight
In Mantoloking, the average length of the day in September is 12h and 26min.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 6:39 pm EDT.
Sunshine
In Mantoloking, the average sunshine in September is 9h.UV index
In Mantoloking, 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 ordinary individuals.Note: The maximum UV index of 5 during September translates into these guidelines:
Ensure safety - Imperative it is to shield skin and eyes from damage. To protect against the Sun's most potent rays, avoid direct exposure around midday. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
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 in Mantoloking?
When it does not snow?
How many hours of daylight does Mantoloking have in September?
What time are sunrise and sunset in September?
How long on average sun shines in September?
What is the UV index reading in September?
Average temperature in September
Mantoloking, NJ
- Average high temperature in September: 72.7°F
The warmest month (with the highest average high temperature) is July (79.5°F).
The month with the lowest average high temperature is January (38.8°F).
- Average low temperature in September: 65.3°F
The months with the highest average low temperature are July and August (71.2°F).
The coldest month (with the lowest average low temperature) is January (29.8°F).
Average pressure in September
Mantoloking, 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
Mantoloking, NJ
- Average wind speed in September: 9.9mph
The windiest month (with the highest average wind speed) is January (13.2mph).
The calmest month (with the lowest average wind speed) is July (8.5mph).
Average humidity in September
Mantoloking, 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 and November (74%).
Average rainfall in September
Mantoloking, NJ
- Average rainfall in September: 1.46"
The wettest month (with the highest rainfall) is July (2.24").
The driest month (with the least rainfall) is January (0.83").
Average rainfall days in September
Mantoloking, NJ
- Average rainfall days in September: 12 days
The month with the highest number of rainy days is July (14.9 days).
The month with the least rainy days is January (6.7 days).
Average snowfall in September
Mantoloking, NJ
- Average snowfall in September: 0"
The month with the highest snowfall is December (0.75").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Mantoloking, NJ
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (3.9 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
Mantoloking, NJ
- Average daylight in September: 12h and 2min
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 0min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).
Average sunshine days in September
Mantoloking, NJ
- Average sunshine days in September: 15.8 days
The month with the most sunshine days is November (20.3 days).
The month with the least sunshine days is July (13.7 days).
Average UV index in September
Mantoloking, 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
Mantoloking, NJ
- Average cloud cover in September: 33
The months with the most cloud cover are February and December (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in September
Mantoloking, 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).
Mantoloking, New Jersey, USA
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