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
Hewitt's transition into September involves a gentle shift in temperature, receding from 80.8°F (27.1°C) in August to a still warm 73.9°F (23.3°C). Throughout September, the temperature in Hewitt, New Jersey, falls to an average low of 55°F (12.8°C).Humidity
The average relative humidity in September in Hewitt is 78%.Rainfall
January, February and September are months with the least rain when the rain falls for 12.8 days and typically aggregates up to 1.54" (39mm) of rain.Snowfall
In Hewitt, snow does not fall in June through September.Daylight
The average length of the day in September in Hewitt, New Jersey, is 12h and 28min.On the first day of September in Hewitt, New Jersey, sunrise is at 6:24 am and sunset at 7:29 pm. On the last day of the month, sunrise is at 6:53 am and sunset at 6:40 pm EDT.
Sunshine
The average sunshine in September is 8.6h.UV index
The average daily maximum UV index in September in Hewitt, New Jersey, is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: The daily maximum UV index of 4 in September interprets into the following advice:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Frequently asked questions
What are September temperatures in Hewitt?
What is the average humidity in September in Hewitt?
What is the driest month in Hewitt?
How much does it rain in Hewitt in September?
When it does not snow in Hewitt?
Does it snow in Hewitt in September?
How many hours of daylight does Hewitt have in September?
What time are sunrise and sunset in September in Hewitt?
How many hours of sunshine does Hewitt have in September?
What is the UV index intensity in September in Hewitt?
Average temperature in September
Hewitt, NJ
- Average high temperature in September: 73.9°F
The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (33.3°F).
- Average low temperature in September: 55°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).
Average pressure in September
Hewitt, 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
Hewitt, NJ
- Average wind speed in September: 5.3mph
The windiest months (with the highest average wind speed) are January, February and March (7.6mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in September
Hewitt, NJ
- Average humidity in September: 78%
The months with the highest relative humidity are February, October and December (81%).
The month with the lowest relative humidity is April (75%).
Average rainfall in September
Hewitt, NJ
- Average rainfall in September: 1.54"
The wettest month (with the highest rainfall) is July (2.95").
The driest months (with the least rainfall) are January, February and September (1.54").
Average rainfall days in September
Hewitt, NJ
- Average rainfall days in September: 12.8 days
The month with the highest number of rainy days is July (17.5 days).
The month with the least rainy days is January (6.9 days).
Average snowfall in September
Hewitt, NJ
- Average snowfall in September: 0"
The month with the highest snowfall is February (4.37").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Hewitt, NJ
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (9.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Hewitt, 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 4min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).
Average sunshine days in September
Hewitt, NJ
- Average sunshine days in September: 15.4 days
The months with the most sunshine days are January and November (18.6 days).
The months with the least sunshine days are June and July (11.3 days).
Average UV index in September
Hewitt, NJ
- Average UV index in September: 4
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
Hewitt, NJ
- Average cloud cover in September: 40
The months with the most cloud cover are February and March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in September
Hewitt, NJ
- Average visibility in September: 5mi
The months with the highest visibility are April, August, November and December (6mi).
The months with the lowest visibility are January, February, March, May, June, July, September and October (5mi).
Hewitt, New Jersey, USA
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