September weather forecastDover Beaches North, NJ
September
Weather in September
September, the first month of the autumn in Dover Beaches North, is still a pleasant month, with temperature in the range of an average low of 66°F (18.9°C) and an average high of 72.5°F (22.5°C).Temperature
Start of September brings a slight shift in the average high-temperature, dipping a bit from August's moderately hot 78.4°F (25.8°C) to a pleasant 72.5°F (22.5°C). Dover Beaches North's nighttime temperature in September experiences a slight dip from daytime highs, falling to an average of 66°F (18.9°C).Humidity
In Dover Beaches North, the average relative humidity in September is 77%.Rainfall
In Dover Beaches North, during September, the rain falls for 12.5 days and regularly aggregates up to 2.09" (53mm) of precipitation. Throughout the year, in Dover Beaches North, there are 155 rainfall days, and 33.23" (844mm) of precipitation is accumulated.Snowfall
In Dover Beaches North, snow does not fall in May through October.Ocean temperature
In September, the average ocean temperature is 71.2°F (21.8°C).Note: Most people do not enjoy swimming in water that is 71.2°F (21.8°C). Breathing becomes increasingly challenging as the water temperature dips under 69.8°F (21°C).
Daylight
In Dover Beaches North, New Jersey, the average length of the day in September is 12h and 26min.On the first day of September, sunrise is at 6:24 am and sunset at 7:27 pm. On the last day of the month, sunrise is at 6:52 am and sunset at 6:39 pm EDT.
Sunshine
The average sunshine in September in Dover Beaches North is 9h.UV index
In September, the average daily maximum UV index in Dover Beaches North is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: The UV index of 5 in September translates into these instructions:
Undertake precautions - Obligation exists to protect against skin and eye damage. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Heads up! The reflection of sand and water notably intensifies UV rays from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Dover Beaches North, NJ
- Average high temperature in September: 72.5°F
The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is January (39°F).
- Average low temperature in September: 66°F
The month with the highest average low temperature is August (71.6°F).
The coldest month (with the lowest average low temperature) is January (30.2°F).
Average pressure in September
Dover Beaches North, 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
Dover Beaches North, NJ
- Average wind speed in September: 10.3mph
The windiest month (with the highest average wind speed) is January (13.5mph).
The calmest month (with the lowest average wind speed) is July (8.8mph).
Average humidity in September
Dover Beaches North, NJ
- Average humidity in September: 77%
The months with the highest relative humidity are May and June (81%).
The months with the lowest relative humidity are January and November (74%).
Average rainfall in September
Dover Beaches North, NJ
- Average rainfall in September: 2.09"
The wettest month (with the highest rainfall) is December (3.7").
The driest month (with the least rainfall) is January (2.01").
Average rainfall days in September
Dover Beaches North, NJ
- Average rainfall days in September: 12.5 days
The month with the highest number of rainy days is July (16.3 days).
The month with the least rainy days is January (9 days).
Average snowfall in September
Dover Beaches North, NJ
- Average snowfall in September: 0"
The month with the highest snowfall is January (1.34").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Dover Beaches North, NJ
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (4.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in September
Dover Beaches North, NJ
- Average sea temperature in September: 71.2°F
The best month for swimming (with the highest average sea temperature) is August (75.8°F).
The coldest month (with the lowest average sea temperature) is February (40.8°F).
Average daylight in September /
Average sunshine in September
Dover Beaches North, NJ
- Average daylight in September: 12h and 24min
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 48min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).
Average sunshine days in September
Dover Beaches North, NJ
- Average sunshine days in September: 15.7 days
The month with the most sunshine days is November (18.2 days).
The month with the least sunshine days is July (13.1 days).
Average UV index in September
Dover Beaches North, 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, March and December (UV index 2).
Average cloud cover in September
Dover Beaches North, NJ
- Average cloud cover in September: 33
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 28).
Average visibility in September
Dover Beaches North, 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).
