September weather forecast
Brunswick, NC

Weather in September

September, the first month of the autumn, in Brunswick, is still a warm month, with average temperature varying between 82.6°F (28.1°C) and 66.6°F (19.2°C).

Temperature

In September, the average high-temperature is almost the same as in August - a warm 82.6°F (28.1°C). The average low-temperature, in Brunswick, is 66.6°F (19.2°C).

Heat index

The average heat index in September is estimated at a hot 90°F (32.2°C). Take extra precautions, as heat cramps and heat exhaustion are possible. Sustained activity may result in heatstroke.
Note that heat index values are valued for light wind and location in the shade. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature', 'felt air temperature', 'feels like', or 'real feel', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. Additional factors like clothing, pregnancy, metabolic differences, and activity influence one's weather impression. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.

Humidity

Months with the highest humidity in Brunswick, North Carolina, are May, June, August and September, with an average relative humidity of 79%.

Rainfall

In September, in Brunswick, the rain falls for 14.7 days. Throughout September, 2.76" (70mm) of precipitation is accumulated. Throughout the year, there are 161.1 rainfall days, and 25.75" (654mm) of precipitation is accumulated.

Snowfall

March through December are months without snowfall.

Daylight

In September, the average length of the day is 12.4h.

Sunshine

In Brunswick, the average sunshine in September is 9.3h.

UV index

In Brunswick, North Carolina, the average daily maximum UV index in September is 6. A UV Index estimate of 6 to 7 represents a high health risk from unsafe exposure to the UV radiation for average individuals.
Note: The daily maximum UV index of 6 interpret into the following advice:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the temperature in September in Brunswick?

In Brunswick, North Carolina, in September, the average high-temperature is 82.6°F (28.1°C), and the average low-temperature is 66.6°F (19.2°C). The average heat index (a.k.a. 'real feel', 'feels like'), which combines relative humidity and air temperature, in September is estimated at 90°F (32.2°C).

What is the most humid month in Brunswick?

Months with the highest humidity are May, June, August and September, with an average relative humidity of 79%.

What is the average humidity in September in Brunswick?

The average relative humidity in September in Brunswick is 79%.

How much does it rain in Brunswick in September?

In Brunswick, North Carolina, in September, it is raining for 14.7 days, with typically 2.76" (70mm) of accumulated precipitation.

When it does not snow in Brunswick?

March through December are months without snowfall in Brunswick.

How many hours of daylight does Brunswick have in September?

The average length of the day in September in Brunswick, North Carolina, is 12.4h.

How many hours of sunshine does Brunswick have in September?

In September, the average sunshine in Brunswick is 9.3h.

What is the UV index reading in September in Brunswick?

In Brunswick, the average daily maximum UV index in September is 6. A UV Index value of 6 to 7 symbolizes a high hazard to health from unprotected exposure to the UV radiation.

Average temperature in September
Brunswick, NC

Average temperature in September - Brunswick, NC
  • Average high temperature in September: 82.6°F

The warmest month (with the highest average high temperature) is July (88.9°F).
The month with the lowest average high temperature is January (52.2°F).

  • Average low temperature in September: 66.6°F

The month with the highest average low temperature is July (72.3°F).
The coldest month (with the lowest average low temperature) is January (36.3°F).

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Average pressure in September
Brunswick, NC

Average pressure in September - Brunswick, NC
  • Average pressure in September: 30.01"

Months with the highest atmospheric pressure are January, November and December (30.13").
The month with the lowest atmospheric pressure is June (29.96").

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Average wind speed in September
Brunswick, NC

Average wind speed in September - Brunswick, NC
  • Average wind speed in September: 6.6mph

The windiest month (with the highest average wind speed) is April (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).

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Average humidity in September
Brunswick, NC

Average humidity in September - Brunswick, NC
  • Average humidity in September: 79%

Months with the highest relative humidity are May, June, August and September (79%).
The month with the lowest relative humidity is January (73%).

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Average rainfall in September
Brunswick, NC

Average rainfall in September - Brunswick, NC
  • Average rainfall in September: 2.76"

The wettest month (with the highest rainfall) is August (3.78").
The driest month (with the least rainfall) is January (0.87").

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Average rainfall days in September
Brunswick, NC

Average rainfall days in September - Brunswick, NC
  • Average rainfall days in September: 14.7 days

The month with the highest number of rainy days is July (21.1 days).
The month with the least rainy days is November (8.5 days).

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Average snowfall in September
Brunswick, NC

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

The month with the highest snowfall is February (0.2").
Months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").

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Average snowfall days in September
Brunswick, NC

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

The month with the highest number of snowfall days is February (0.6 days).
Months with the least snowfall days are March, April, May, June, July, August, September, October, November and December (0 days).

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

Average daylight in September / Average sunshine in September - Brunswick, NC
  • Average daylight in September: 12.4h

The month with the longest days is June (Average daylight: 14.4h).
The month with the shortest days is December (Average daylight: 9.9h).

  • Average sunshine in September: 9.3h

The month with the most sunshine is July (Average sunshine: 10.8h).
Months with the least sunshine are January and December (Average sunshine: 5.6).

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Average sunshine days in September
Brunswick, NC

Average sunshine days in September - Brunswick, NC
  • Average sunshine days in September: 12.5 days

The month with the most sunshine days is January (20.8 days).
The month with the least sunshine days is July (6.8 days).

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Average UV index in September
Brunswick, NC

Average UV index in September - Brunswick, NC
  • Average UV index in September: 6

Months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is January (UV index 2).

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Average cloud cover in September
Brunswick, NC

Average cloud cover in September - Brunswick, NC
  • Average cloud cover in September: 33

The month with the most cloud cover is February (Cloud cover 41).
The month with the least cloud cover is July (Cloud cover 29).

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Average visibility in September
Brunswick, NC

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

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

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