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
In September, the average high-temperature marginally drops from a moderately hot 78.6°F (25.9°C) in August to a pleasant 72.5°F (22.5°C). During September, Riviera Beach's nighttime temperatures demonstrate a subtle cooling from daytime highs, stabilizing at a comfortable 65.1°F (18.4°C).Humidity
In Riviera Beach, the average relative humidity in September is 77%.Rainfall
In September, the rain falls for 13 days. Throughout September, 2.17" (55mm) of precipitation is accumulated. In Riviera Beach, during the entire year, the rain falls for 158.1 days and collects up to 34.13" (867mm) of precipitation.Snowfall
May through October are months without snowfall in Riviera Beach.Daylight
The average length of the day in September in Riviera Beach, New Jersey, is 12h and 26min.On the first day of September in Riviera Beach, New Jersey, 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 is 9h.UV index
In Riviera Beach, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: The maximum UV index of 5 during September leads to these instructions:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Frequently asked questions
What are September temperatures in Riviera Beach?
What is the average humidity in September in Riviera Beach?
How much does it rain in Riviera Beach in September?
When it does not snow in Riviera Beach?
What is the average length of the day in September in Riviera Beach?
When is the sunrise / sunset in September in Riviera Beach?
How long on average sun shines in September in Riviera Beach?
How high is the UV index in September in Riviera Beach?
Average temperature in September
Riviera Beach, NJ
- Average high temperature in September: 72.5°F
The warmest month (with the highest average high temperature) is July (79.5°F).
The month with the lowest average high temperature is January (38.8°F).
- Average low temperature in September: 65.1°F
The months with the highest average low temperature are July and August (71.2°F).
The coldest month (with the lowest average low temperature) is January (29.7°F).
Average pressure in September
Riviera Beach, 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
Riviera Beach, NJ
- Average wind speed in September: 9.8mph
The windiest month (with the highest average wind speed) is January (13mph).
The calmest month (with the lowest average wind speed) is July (8.5mph).
Average humidity in September
Riviera Beach, NJ
- Average humidity in September: 77%
The months with the highest relative humidity are May and June (80%).
The months with the lowest relative humidity are January and November (74%).
Average rainfall in September
Riviera Beach, NJ
- Average rainfall in September: 2.17"
The wettest month (with the highest rainfall) is July (3.78").
The driest month (with the least rainfall) is January (2.05").
Average rainfall days in September
Riviera Beach, NJ
- Average rainfall days in September: 13 days
The month with the highest number of rainy days is July (16.6 days).
The month with the least rainy days is January (9.3 days).
Average snowfall in September
Riviera Beach, NJ
- Average snowfall in September: 0"
The month with the highest snowfall is January (1.3").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Riviera Beach, NJ
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (4.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Riviera Beach, 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: 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
Riviera Beach, NJ
- Average sunshine days in September: 15.4 days
The month with the most sunshine days is November (17.6 days).
The month with the least sunshine days is July (12.8 days).
Average UV index in September
Riviera Beach, 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, November and December (UV index 2).
Average cloud cover in September
Riviera Beach, NJ
- Average cloud cover in September: 33
The months with the most cloud cover are February and December (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in September
Riviera Beach, 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).
Riviera Beach, New Jersey, USA
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