September weather forecast
Cape McKinsey, MD

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Weather in September

The first month of the autumn, September, is still a warm month in Cape McKinsey, Maryland, with an average temperature varying between 77.4°F (25.2°C) and 63.3°F (17.4°C).

Temperature

With the arrival of September, Cape McKinsey experiences a modest decline in average high-temperatures, transitioning from 83.7°F (28.7°C) in August to a still warm 77.4°F (25.2°C). Cape McKinsey, during the month of September, experiences an average low-temperature of 63.3°F (17.4°C).

Humidity

In September, the average relative humidity 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 Cape McKinsey, snow does not fall in May through October.

Daylight

The average length of the day in September in Cape McKinsey is 12h and 26min.
On the first day of September in Cape McKinsey, 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.

Sunshine

In September, the average sunshine in Cape McKinsey is 9.2h.

UV index

In September, the average daily maximum UV index in Cape McKinsey is 5. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: The daily maximum UV index of 5 in September interprets into the following advice:
Take precautions - Protection against sun damage is advised. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
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Frequently asked questions

What is the average September temperature in Cape McKinsey?

The high-temperature, in September, in Cape McKinsey, 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. 'felt air temperature', 'feels like'), which factors the actual air temperature with the relative humidity, is calculated to be 91.4°F (33°C).

What is the average humidity in September in Cape McKinsey?

The average relative humidity in September is 75%.

What is the driest month in Cape McKinsey?

September is the month with the least rainfall in Cape McKinsey. Rain falls for 11.8 days and accumulates 1.89" (48mm) of precipitation.

How much does it rain in Cape McKinsey in September?

In Cape McKinsey, Maryland, in September, it is raining for 11.8 days, with typically 1.89" (48mm) of accumulated precipitation.

When it does not snow in Cape McKinsey?

In Cape McKinsey, Maryland, snow does not fall in May through October.

How many hours of daylight does Cape McKinsey have in September?

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

When are sunrise and sunset in September in Cape McKinsey?

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 Cape McKinsey have in September?

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

What is the UV index reading in September in Cape McKinsey?

The average daily maximum UV index in September in Cape McKinsey is 5. A UV Index estimate of 3 to 5 represents a medium hazard to health 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
Cape McKinsey, MD

Average temperature in September - Cape McKinsey, 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).

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Average pressure in September
Cape McKinsey, MD

Average pressure in September - Cape McKinsey, 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).

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Average wind speed in September
Cape McKinsey, MD

Average wind speed in September - Cape McKinsey, 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).

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Average humidity in September
Cape McKinsey, MD

Average humidity in September - Cape McKinsey, 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%).

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Average rainfall in September
Cape McKinsey, MD

Average rainfall in September - Cape McKinsey, 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").

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Average rainfall days in September
Cape McKinsey, MD

Average rainfall days in September - Cape McKinsey, 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).

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Average snowfall in September
Cape McKinsey, MD

Average snowfall in September - Cape McKinsey, 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").

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Average snowfall days in September
Cape McKinsey, MD

Average snowfall days in September - Cape McKinsey, 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).

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Average daylight in September /
Average sunshine in September
Cape McKinsey, MD

Average daylight in September / Average sunshine in September - Cape McKinsey, 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).

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Average sunshine days in September
Cape McKinsey, MD

Average sunshine days in September - Cape McKinsey, 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).

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Average UV index in September
Cape McKinsey, MD

Average UV index in September - Cape McKinsey, 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).

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Average cloud cover in September
Cape McKinsey, MD

Average cloud cover in September - Cape McKinsey, 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).

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Average visibility in September
Cape McKinsey, MD

Average visibility in September - Cape McKinsey, 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).

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Cape McKinsey, Maryland, USA

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