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
Newfoundland observes a small decrease in the average high-temperature with the arrival of September, falling from August's 80.2°F (26.8°C) to a still moderately hot 73.6°F (23.1°C). During September, the nighttime temperature averages of 54.7°F (12.6°C).Humidity
In September, the average relative humidity is 80%.Rainfall
In Newfoundland, during September, the rain falls for 12.1 days and regularly aggregates up to 0.79" (20mm) of precipitation. In Newfoundland, during the entire year, the rain falls for 133 days and collects up to 14.02" (356mm) of precipitation.Snowfall
In Newfoundland, snow does not fall in June through September.Daylight
The average length of the day in September is 12h and 28min.On the first day of September, sunrise is at 6:25 am and sunset at 7:29 pm. On the last day of the month, sunrise is at 6:54 am and sunset at 6:40 pm EDT.
Sunshine
In Newfoundland, New Jersey, the average sunshine in September is 8.2h.UV index
In September, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for average individuals.Note: The daily high UV index of 4 during September translates into the following recommendations:
Ensure safety - Recommendations to avert sunburn are presented. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in September?
What is the average humidity in September?
How much does it rain in September?
When it does not snow?
Does it snow in September?
How many hours of daylight does Newfoundland have in September?
When is the sunrise / sunset in September?
How many hours of sunshine does Newfoundland have in September?
What is the UV index intensity in September?
Average temperature in September
Newfoundland, NJ
- Average high temperature in September: 73.6°F
The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (33.3°F).
- Average low temperature in September: 54.7°F
The month with the highest average low temperature is July (62.8°F).
The coldest month (with the lowest average low temperature) is January (20.5°F).
Average pressure in September
Newfoundland, NJ
- Average pressure in September: 30.06"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
Newfoundland, NJ
- Average wind speed in September: 5.5mph
The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in September
Newfoundland, NJ
- Average humidity in September: 80%
The month with the highest relative humidity is October (82%).
The month with the lowest relative humidity is April (76%).
Average rainfall in September
Newfoundland, NJ
- Average rainfall in September: 0.79"
The wettest month (with the highest rainfall) is July (1.85").
The driest month (with the least rainfall) is January (0.71").
Average rainfall days in September
Newfoundland, NJ
- Average rainfall days in September: 12.1 days
The month with the highest number of rainy days is July (16 days).
The month with the least rainy days is January (5.3 days).
Average snowfall in September
Newfoundland, NJ
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.5").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Newfoundland, NJ
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (6.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Newfoundland, 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 1min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is February (Average sunshine: 4h and 6min).
Average sunshine days in September
Newfoundland, NJ
- Average sunshine days in September: 16.2 days
The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is June (12.1 days).
Average UV index in September
Newfoundland, NJ
- Average UV index in September: 4
The month with the highest UV index is June (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
Newfoundland, NJ
- Average cloud cover in September: 43
The months with the most cloud cover are February and March (Cloud cover 53).
The months with the least cloud cover are July and August (Cloud cover 38).
Average visibility in September
Newfoundland, NJ
- Average visibility in September: 5mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October, November and December (5mi).
Newfoundland, New Jersey, USA
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