September weather forecast
Bloomsbury, NJ

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Weather in September

September, the first month of the autumn in Bloomsbury, is also a moderately hot month, with an average temperature varying between 55.2°F (12.9°C) and 74.5°F (23.6°C).

Temperature

Bloomsbury's weather in September involves a mild decrease in the average high-temperature, moving down slightly from August's warm 81.1°F (27.3°C) to a still moderately hot 74.5°F (23.6°C). In September, Bloomsbury encounters an average low-temperature of 55.2°F (12.9°C) during the night.

Humidity

The average relative humidity in September is 79%.

Rainfall

September is the month with the least rainfall. Rain falls for 8.9 days and accumulates 0.71" (18mm) of precipitation.

Snowfall

May through October are months without snowfall.

Daylight

In Bloomsbury, the average length of the day in September is 12h and 27min.
On the first day of the month, sunrise is at 6:28 am and sunset at 7:32 pm. On the last day of September, sunrise is at 6:56 am and sunset at 6:43 pm EDT.

Sunshine

In Bloomsbury, the average sunshine in September is 8.8h.

UV index

The average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In September, the maximum UV index of 4 transforms into these recommendations:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
Updated: Aug 29, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average September temperature in Bloomsbury?

The high-temperature, in September, in Bloomsbury, is 74.5°F (23.6°C), while the low-temperature averages to 55.2°F (12.9°C). In August, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, is evaluated at 86°F (30°C).

What is the average humidity in September?

The average relative humidity in September is 79%.

What is the driest month?

The month with the least rainfall is September, when the rain falls for 8.9 days and typically collects 0.71" (18mm) of precipitation.

How many days does it rain in September?

In September, the rain falls for 8.9 days. Throughout September, 0.71" (18mm) of precipitation is accumulated.

When it does not snow?

May through October are months without snowfall.

How many hours of daylight does Bloomsbury have in September?

In September, the average day length is 12h and 27min.

When is the sunrise / sunset in September in Bloomsbury?

On the first day of September, sunrise is at 6:28 am and sunset at 7:32 pm. On the last day of the month, sunrise is at 6:56 am and sunset at 6:43 pm EDT.

How many hours of sunshine does Bloomsbury have in September?

The average sunshine duration in September is 8.8h.

How high is the UV index in September?

In Bloomsbury, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium health risk from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Bloomsbury, NJ

Average temperature in September - Bloomsbury, NJ
  • Average high temperature in September: 74.5°F

The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (34.3°F).

  • Average low temperature in September: 55.2°F

The month with the highest average low temperature is July (63.9°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).

Average pressure in September
Bloomsbury, NJ

Average pressure in September - Bloomsbury, NJ
  • Average pressure in September: 30.06"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
Bloomsbury, NJ

Average wind speed in September - Bloomsbury, NJ
  • Average wind speed in September: 5.5mph

The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).

Average humidity in September
Bloomsbury, NJ

Average humidity in September - Bloomsbury, NJ
  • Average humidity in September: 79%

The month with the highest relative humidity is February (81%).
The months with the lowest relative humidity are April and July (76%).

Average rainfall in September
Bloomsbury, NJ

Average rainfall in September - Bloomsbury, NJ
  • Average rainfall in September: 0.71"

The wettest month (with the highest rainfall) is July (1.65").
The driest month (with the least rainfall) is September (0.71").

Average rainfall days in September
Bloomsbury, NJ

Average rainfall days in September - Bloomsbury, NJ
  • Average rainfall days in September: 8.9 days

The month with the highest number of rainy days is May (13.9 days).
The month with the least rainy days is January (7.1 days).

Average snowfall in September
Bloomsbury, NJ

Average snowfall in September - Bloomsbury, NJ
  • Average snowfall in September: 0"

The month with the highest snowfall is February (1.42").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in September
Bloomsbury, NJ

Average snowfall days in September - Bloomsbury, NJ
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (6.8 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
Bloomsbury, NJ

Average daylight in September / Average sunshine in September - Bloomsbury, NJ
  • Average daylight in September: 12h and 3min

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 18min).

  • Average sunshine in September: 8h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

Average sunshine days in September
Bloomsbury, NJ

Average sunshine days in September - Bloomsbury, NJ
  • Average sunshine days in September: 18.6 days

The month with the most sunshine days is November (20.2 days).
The month with the least sunshine days is May (14 days).

Average UV index in September
Bloomsbury, NJ

Average UV index in September - Bloomsbury, NJ
  • Average UV index in September: 4

The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).

Average cloud cover in September
Bloomsbury, NJ

Average cloud cover in September - Bloomsbury, NJ
  • Average cloud cover in September: 39

The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 34).

Average visibility in September
Bloomsbury, NJ

Average visibility in September - Bloomsbury, NJ
  • Average visibility in September: 5mi

The months with the highest visibility are January, March, April, November and December (6mi).
The months with the lowest visibility are February, May, June, July, August, September and October (5mi).

Bloomsbury, New Jersey, USA

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