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 Brielle, entering September brings a subtle temperature decrement, reducing from August's warm 78.6°F (25.9°C) to a pleasant 72.5°F (22.5°C). Brielle encounters an average temperature dip to an enjoyable 65.1°F (18.4°C) throughout September, subtly lower than its daytime maximum.Humidity
In September, the average relative humidity in Brielle is 77%.Rainfall
In Brielle, in September, it is raining for 13 days, with typically 2.17" (55mm) of accumulated precipitation. Throughout the year, in Brielle, there are 158.1 rainfall days, and 34.13" (867mm) of precipitation is accumulated.Snowfall
In Brielle, snow does not fall in May through October.Daylight
In Brielle, the average length of the day in September is 12h and 26min.On the first day of the month, sunrise is at 6:24 am and sunset at 7:27 pm. On the last day of September, sunrise is at 6:52 am and sunset at 6:39 pm EDT.
Sunshine
The average sunshine in September is 9h.UV index
In Brielle, the average daily maximum UV index in September 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 daily maximum UV index of 5 in September interprets into the following advice:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Frequently asked questions
What are September temperatures in Brielle?
What is the average humidity in September in Brielle?
How much does it rain in Brielle in September?
When it does not snow in Brielle?
How many hours of daylight does Brielle have in September?
When are sunrise and sunset in September in Brielle?
How long on average sun shines in September in Brielle?
What is the UV index reading in September in Brielle?
Average temperature in September
Brielle, 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
Brielle, 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
Brielle, 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
Brielle, 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
Brielle, 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
Brielle, 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
Brielle, 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
Brielle, 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
Brielle, 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
Brielle, 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
Brielle, 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
Brielle, 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
Brielle, 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).
Brielle, New Jersey, USA
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