September weather forecastShip Bottom, NJ
September
Weather in September
September, the first month of the autumn in Ship Bottom, is also an agreeable month, with an average temperature fluctuating between 73°F (22.8°C) and 66°F (18.9°C).Temperature
September brings a minor shift in the average high-temperature, adjusting from a warm 78.6°F (25.9°C) in August to a pleasant 73°F (22.8°C). Ship Bottom's nighttime temperatures in September see a subtle dip to an average of 66°F (18.9°C).Humidity
In September, the average relative humidity is 77%.Rainfall
January and September are months with the least rain when the rain falls for 8.8 days and typically aggregates up to 0.67" (17mm) of rain.Snowfall
In Ship Bottom, snow does not fall in April through November.Ocean temperature
In Ship Bottom, the average seawater temperature in September is 71.2°F (21.8°C).Note: In 71.2°F (21.8°C), swimming is not an enjoyable activity for most. The challenge of managing one's breathing increases as the temperature goes under 69.8°F (21°C).
Daylight
In September, the average length of the day is 12h and 26min.On the first day of September, sunrise is at 6:25 am and sunset at 7:27 pm. On the last day of the month, sunrise is at 6:52 am and sunset at 6:40 pm EDT.
Sunshine
In September, the average sunshine is 9.3h.UV index
In September, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for average individuals.Note: The UV index of 5 in September translates into these instructions:
Undertake protective steps - Preventing sun damage is advised. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Attention! The combination of sand and water reflections enhances UV ray intensity.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Ship Bottom, NJ
- Average high temperature in September: 73°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 (39.7°F).
- Average low temperature in September: 66°F
The month with the highest average low temperature is July (72°F).
The coldest month (with the lowest average low temperature) is January (31.1°F).
Average pressure in September
Ship Bottom, NJ
- Average pressure in September: 30.04"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in September
Ship Bottom, NJ
- Average wind speed in September: 10.4mph
The windiest month (with the highest average wind speed) is January (13.5mph).
The calmest month (with the lowest average wind speed) is August (9mph).
Average humidity in September
Ship Bottom, NJ
- Average humidity in September: 77%
The months with the highest relative humidity are May and June (81%).
The month with the lowest relative humidity is November (73%).
Average rainfall in September
Ship Bottom, NJ
- Average rainfall in September: 0.67"
The wettest months (with the highest rainfall) are July and December (1.14").
The driest months (with the least rainfall) are January and September (0.67").
Average rainfall days in September
Ship Bottom, NJ
- Average rainfall days in September: 8.8 days
The month with the highest number of rainy days is July (12.7 days).
The month with the least rainy days is November (6.7 days).
Average snowfall in September
Ship Bottom, NJ
- Average snowfall in September: 0"
The month with the highest snowfall is January (0.94").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in September
Ship Bottom, NJ
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (3.8 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average sea temperature in September
Ship Bottom, 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
Ship Bottom, NJ
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in September: 9h and 18min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).
Average sunshine days in September
Ship Bottom, NJ
- Average sunshine days in September: 18.9 days
The month with the most sunshine days is November (20.9 days).
The month with the least sunshine days is July (15.2 days).
Average UV index in September
Ship Bottom, 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 and December (UV index 2).
Average cloud cover in September
Ship Bottom, NJ
- Average cloud cover in September: 31
The month with the most cloud cover is February (Cloud cover 46).
The months with the least cloud cover are July and August (Cloud cover 26).
Average visibility in September
Ship Bottom, 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).





