September weather forecast
North Cape Arthur, MD

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Weather in September

September, the first month of the autumn in North Cape Arthur, is also a moderately hot month, with temperature in the range of an average low of 63.3°F (17.4°C) and an average high of 77.4°F (25.2°C).

Temperature

A subtle change in temperatures is noted as August gives way to September, with average highs reducing from 83.7°F (28.7°C) to a still warm 77.4°F (25.2°C). Throughout September, North Cape Arthur witnesses a nighttime temperature average of 63.3°F (17.4°C).

Humidity

The average relative humidity in September is 75%.

Rainfall

The month with the least rainfall is September, when the rain falls for 11.8 days and typically collects 1.89" (48mm) of precipitation.

Snowfall

In North Cape Arthur, snow does not fall in May through October.

Daylight

In North Cape Arthur, the average length of the day in September is 12h and 26min.
On the first day of the month, sunrise is at 6:35 am and sunset at 7:36 pm. On the last day of September, sunrise is at 7:01 am and sunset at 6:49 pm EDT.

Sunshine

In September, the average sunshine is 9.2h.

UV index

In September, the average daily maximum UV index in North Cape Arthur is 5. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the ordinary person.
Note: A typical high UV index of 5 in September suggests the following recommendations:
Adopt protective measures - It is advised to guard against sun damage. The solar radiation around mid-day is intense; avoid the Sun and stay safe. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.

Frequently asked questions

What are the temperatures in North Cape Arthur in September?

The high-temperature, in September, in North Cape Arthur, is 77.4°F (25.2°C), while the low-temperature averages to 63.3°F (17.4°C). In August, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which combines relative humidity and air temperature, is appraised at 91.4°F (33°C).

What is the average humidity in September?

In September, the average relative humidity is 75%.

What is the driest month in North Cape Arthur?

The month with the least rainfall is September, when the rain falls for 11.8 days and typically collects 1.89" (48mm) of precipitation.

How much does it rain in September?

In September, in North Cape Arthur, the rain falls for 11.8 days. Throughout September, 1.89" (48mm) of precipitation is accumulated.

When it does not snow?

May through October are months without snowfall.

How many hours of daylight does North Cape Arthur have in September?

In North Cape Arthur, the average day length in September is 12h and 26min.

When is the sunrise / sunset in September?

In September, on the first day of the month, sunrise is at 6:35 am and sunset at 7:36 pm. On the last day of the month, sunrise is at 7:01 am and sunset at 6:49 pm EDT.

How many hours of sunshine does North Cape Arthur have in September?

In North Cape Arthur, the average sunshine duration in September is 9.2h.

What is the UV index intensity in September?

In North Cape Arthur, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate vulnerability 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
North Cape Arthur, MD

Average temperature in September - North Cape Arthur, MD
  • Average high temperature in September: 77.4°F

The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (39.6°F).

  • Average low temperature in September: 63.3°F

The month with the highest average low temperature is July (70.7°F).
The coldest month (with the lowest average low temperature) is January (28.4°F).

Average pressure in September
North Cape Arthur, MD

Average pressure in September - North Cape Arthur, MD
  • Average pressure in September: 30.05"Hg

The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed in September
North Cape Arthur, MD

Average wind speed in September - North Cape Arthur, MD
  • Average wind speed in September: 7mph

The windiest month (with the highest average wind speed) is March (9.4mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).

Average humidity in September
North Cape Arthur, MD

Average humidity in September - North Cape Arthur, MD
  • Average humidity in September: 75%

The month with the highest relative humidity is May (78%).
The months with the lowest relative humidity are January, March, April and November (72%).

Average rainfall in September
North Cape Arthur, MD

Average rainfall in September - North Cape Arthur, MD
  • Average rainfall in September: 1.89"

The wettest month (with the highest rainfall) is August (3.54").
The driest month (with the least rainfall) is September (1.89").

Average rainfall days in September
North Cape Arthur, MD

Average rainfall days in September - North Cape Arthur, MD
  • Average rainfall days in September: 11.8 days

The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is November (9.4 days).

Average snowfall in September
North Cape Arthur, MD

Average snowfall in September - North Cape Arthur, MD
  • Average snowfall in September: 0"

The month with the highest snowfall is January (2.05").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in September
North Cape Arthur, MD

Average snowfall days in September - North Cape Arthur, MD
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (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
North Cape Arthur, MD

Average daylight in September / Average sunshine in September - North Cape Arthur, MD
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in September: 9h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is February (Average sunshine: 5h and 6min).

Average sunshine days in September
North Cape Arthur, MD

Average sunshine days in September - North Cape Arthur, MD
  • Average sunshine days in September: 16.4 days

The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is May (10.8 days).

Average UV index in September
North Cape Arthur, MD

Average UV index in September - North Cape Arthur, MD
  • 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, November and December (UV index 2).

Average cloud cover in September
North Cape Arthur, MD

Average cloud cover in September - North Cape Arthur, MD
  • Average cloud cover in September: 34

The months with the most cloud cover are February and March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 28).

Average visibility in September
North Cape Arthur, MD

Average visibility in September - North Cape Arthur, MD
  • 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).

North Cape Arthur, Maryland, USA

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