September weather forecast
Brunswick, VA

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Weather in September

September, the first month of the autumn in Brunswick, is still a warm month, with an average temperature varying between 81.1°F (27.3°C) and 63°F (17.2°C).

Temperature

Brunswick's progression into September involves a gentle drop in the average high-temperature, from a hot 87.1°F (30.6°C) in August to a moderately hot 81.1°F (27.3°C). During September, an average low-temperature of 63°F (17.2°C) is observed in Brunswick.

Heat index

September's heat index is computed to be a tropical 86°F (30°C). Exhaustion is likely with prolonged exposure and activity. Sustaining activity may result in heat cramps.
Be advised, the heat index considers values for conditions in shade and with a light breeze. The heat index could experience an increase of 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'real feel', unifies temperature and humidity readings to offer a comprehensive feel of warmth. An individual's perception of weather can be influenced by a variety of factors including metabolic differences, being pregnant, and their degree of physical exertion. Direct sunlight exposure should be noted as it has the potential to increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Kids often lack the knowledge about the necessity to take breaks and consume liquids. Thirst, as a late symptom of dehydration, necessitates the maintenance of hydration, particularly during enduring physical activities.

Humidity

In September, the average relative humidity is 77%.

Rainfall

September is the month with the least rainfall. Rain falls for 12 days and accumulates 1.85" (47mm) of precipitation.

Snowfall

April through October are months without snowfall.

Daylight

In Brunswick, the average length of the day in September is 12h and 24min.
On the first day of the month, sunrise is at 6:43 am and sunset at 7:39 pm. On the last day of September, sunrise is at 7:06 am and sunset at 6:55 pm EDT.

Sunshine

The average sunshine in September is 8.7h.

UV index

The average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: The maximum daily UV index of 5 in September interprets into the following recommendations:
Exercise prevention - Protecting skin and eyes from harm is required. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Updated: Jul 29, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in September?

The high-temperature, in September, in Brunswick, records 81.1°F (27.3°C), while the low-temperature is 63°F (17.2°C). The average heat index (a.k.a. 'apparent temperature', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, in September is computed to be 86°F (30°C).

What is the average humidity in September?

In Brunswick, the average relative humidity in September is 77%.

What is the driest month in Brunswick?

The month with the least rainfall in Brunswick, Virginia, is September, when the rain falls for 12 days and typically collects 1.85" (47mm) of precipitation.

How much does it rain in September?

In Brunswick, during September, the rain falls for 12 days and regularly aggregates up to 1.85" (47mm) of precipitation.

When it does not snow?

In Brunswick, snow does not fall in April through October.

How many hours of daylight does Brunswick have in September?

In Brunswick, the average day length in September is 12h and 24min.

When are sunrise and sunset in September in Brunswick?

On the first day of September, sunrise is at 6:43 am and sunset at 7:39 pm. On the last day of the month, sunrise is at 7:06 am and sunset at 6:55 pm EDT.

How many hours of sunshine does Brunswick have in September?

In Brunswick, the average sunshine duration in September is 8.7h.

How high is the UV index in September?

In September, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a moderate health threat from exposure to the Sun's UV radiation.
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
Brunswick, VA

Average temperature in September - Brunswick, VA
  • Average high temperature in September: 81.1°F

The warmest month (with the highest average high temperature) is July (89.1°F).
The month with the lowest average high temperature is January (46°F).

  • Average low temperature in September: 63°F

The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (31.1°F).

Average pressure in September
Brunswick, VA

Average pressure in September - Brunswick, VA
  • Average pressure in September: 30.03"Hg

The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).

Average wind speed in September
Brunswick, VA

Average wind speed in September - Brunswick, VA
  • Average wind speed in September: 6mph

The windiest month (with the highest average wind speed) is April (8.4mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

Average humidity in September
Brunswick, VA

Average humidity in September - Brunswick, VA
  • Average humidity in September: 77%

The months with the highest relative humidity are May and December (78%).
The month with the lowest relative humidity is July (73%).

Average rainfall in September
Brunswick, VA

Average rainfall in September - Brunswick, VA
  • Average rainfall in September: 1.85"

The wettest month (with the highest rainfall) is August (3.03").
The driest month (with the least rainfall) is September (1.85").

Average rainfall days in September
Brunswick, VA

Average rainfall days in September - Brunswick, VA
  • Average rainfall days in September: 12 days

The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is November (9.6 days).

Average snowfall in September
Brunswick, VA

Average snowfall in September - Brunswick, VA
  • Average snowfall in September: 0"

The month with the highest snowfall is February (1.77").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in September
Brunswick, VA

Average snowfall days in September - Brunswick, VA
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

Average daylight in September /
Average sunshine in September
Brunswick, VA

Average daylight in September / Average sunshine in September - Brunswick, VA
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).

  • Average sunshine in September: 8h and 4min

The months with the most sunshine are June and July (Average sunshine: 10h and 36min).
The months with the least sunshine are January and December (Average sunshine: 5h and 24min).

Average sunshine days in September
Brunswick, VA

Average sunshine days in September - Brunswick, VA
  • Average sunshine days in September: 16.3 days

The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is May (11.3 days).

Average UV index in September
Brunswick, VA

Average UV index in September - Brunswick, VA
  • Average UV index in September: 5

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

Average cloud cover in September
Brunswick, VA

Average cloud cover in September - Brunswick, VA
  • Average cloud cover in September: 39

The month with the most cloud cover is March (Cloud cover 44).
The months with the least cloud cover are June and July (Cloud cover 32).

Average visibility in September
Brunswick, VA

Average visibility in September - Brunswick, VA
  • Average visibility in September: 6mi

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

Brunswick, Virginia, USA

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