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
Haddonfield in September experiences a gentle temperature dip, with average high-temperatures reducing from 84.2°F (29°C) in August to a still moderately hot 77°F (25°C). Haddonfield, in September, witnesses an average low-temperature of 61.3°F (16.3°C).Humidity
In September, the average relative humidity is 75%.Rainfall
In Haddonfield, during September, the rain falls for 9.5 days and regularly aggregates up to 0.75" (19mm) of precipitation. Throughout the year, in Haddonfield, there are 121.5 rainfall days, and 12.44" (316mm) of precipitation is accumulated.Snowfall
In Haddonfield, snow does not fall in June through October.Daylight
The average length of the day in September in Haddonfield, New Jersey, is 12h and 26min.On the first day of September in Haddonfield, sunrise is at 6:28 am and sunset at 7:31 pm. On the last day of the month, sunrise is at 6:56 am and sunset at 6:43 pm EDT.
Sunshine
In September, the average sunshine is 8.7h.UV index
The average daily maximum UV index in September in Haddonfield is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for average individuals.Note: In September, a daily UV index of 5 turns into the following recommendations:
Adopt protective measures - It is advised to guard against sun damage. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Frequently asked questions
What are the temperatures in Haddonfield in September?
What is the average humidity in September in Haddonfield?
How much does it rain in Haddonfield in September?
When it does not snow in Haddonfield?
What is the average length of the day in September in Haddonfield?
When is the sunrise / sunset in September in Haddonfield?
How long on average sun shines in September in Haddonfield?
How high is the UV index in September in Haddonfield?
Average temperature in September
Haddonfield, NJ
- Average high temperature in September: 77°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (37.8°F).
- Average low temperature in September: 61.3°F
The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (25.5°F).
Average pressure in September
Haddonfield, NJ
- Average pressure in September: 30.05"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in September
Haddonfield, NJ
- Average wind speed in September: 6.1mph
The windiest months (with the highest average wind speed) are March and April (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).
Average humidity in September
Haddonfield, NJ
- Average humidity in September: 75%
The month with the highest relative humidity is October (77%).
The month with the lowest relative humidity is April (70%).
Average rainfall in September
Haddonfield, NJ
- Average rainfall in September: 0.75"
The wettest month (with the highest rainfall) is August (1.46").
The driest month (with the least rainfall) is January (0.67").
Average rainfall days in September
Haddonfield, NJ
- Average rainfall days in September: 9.5 days
The month with the highest number of rainy days is July (14.4 days).
The month with the least rainy days is November (6.6 days).
Average snowfall in September
Haddonfield, NJ
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.79").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in September
Haddonfield, NJ
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (3.6 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Haddonfield, 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: 8h and 4min
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
Haddonfield, NJ
- Average sunshine days in September: 17.8 days
The month with the most sunshine days is December (21.5 days).
The month with the least sunshine days is July (14 days).
Average UV index in September
Haddonfield, NJ
- Average UV index in September: 5
The months with the highest UV index are May, 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
Haddonfield, NJ
- Average cloud cover in September: 38
The month with the most cloud cover is February (Cloud cover 48).
The months with the least cloud cover are July and August (Cloud cover 32).
Average visibility in September
Haddonfield, 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).
Haddonfield, New Jersey, USA
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