September weather forecast
Chase Wood Run, MD

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Weather in September

The first month of the autumn, September, is still a warm month in Chase Wood Run, Maryland, with an average temperature ranging between min 63.3°F (17.4°C) and max 77.4°F (25.2°C).

Temperature

The average high-temperature slightly decreases in September, shifting from 83.7°F (28.7°C) in August to a still warm 77.4°F (25.2°C). An average low-temperature of 63.3°F (17.4°C) is noted during the nights in September.

Humidity

In September, the average relative humidity is 75%.

Rainfall

September is the month with the least rainfall in Chase Wood Run, Maryland. Rain falls for 11.8 days and accumulates 1.89" (48mm) of precipitation.

Snowfall

May through October are months without snowfall.

Daylight

In Chase Wood Run, Maryland, the average length of the day in September is 12h and 26min.
On the first day of September, 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

The average sunshine in September is 9.2h.

UV index

In Chase Wood Run, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for average individuals.
Note: In September, the average maximum UV index of 5 translates into the following recommendations:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
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Frequently asked questions

What are September temperatures in Chase Wood Run?

September temperatures in Chase Wood Run, Maryland, vary between a high-temperature of 77.4°F (25.2°C) and a low-temperature of 63.3°F (17.4°C). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which calculates the temperature value influenced by the moisture in the air, in August is appraised at 91.4°F (33°C).

What is the average humidity in September in Chase Wood Run?

The average relative humidity in September in Chase Wood Run, Maryland, is 75%.

What is the driest month in Chase Wood Run?

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

How many days does it rain in September in Chase Wood Run?

In Chase Wood Run, Maryland, during September, the rain falls for 11.8 days and regularly aggregates up to 1.89" (48mm) of precipitation.

When it does not snow in Chase Wood Run?

May through October are months without snowfall in Chase Wood Run.

How many hours of daylight does Chase Wood Run have in September?

In September, the average day length in Chase Wood Run, Maryland, is 12h and 26min.

When are sunrise and sunset in September in Chase Wood Run?

On the first day of September in Chase Wood Run, Maryland, 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 Chase Wood Run have in September?

The average sunshine duration in September in Chase Wood Run is 9.2h.

How high is the UV index in September in Chase Wood Run?

In Chase Wood Run, Maryland, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents 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
Chase Wood Run, MD

Average temperature in September - Chase Wood Run, 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
Chase Wood Run, MD

Average pressure in September - Chase Wood Run, 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
Chase Wood Run, MD

Average wind speed in September - Chase Wood Run, 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
Chase Wood Run, MD

Average humidity in September - Chase Wood Run, 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
Chase Wood Run, MD

Average rainfall in September - Chase Wood Run, 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
Chase Wood Run, MD

Average rainfall days in September - Chase Wood Run, 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
Chase Wood Run, MD

Average snowfall in September - Chase Wood Run, 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
Chase Wood Run, MD

Average snowfall days in September - Chase Wood Run, 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
Chase Wood Run, MD

Average daylight in September / Average sunshine in September - Chase Wood Run, 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
Chase Wood Run, MD

Average sunshine days in September - Chase Wood Run, 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
Chase Wood Run, MD

Average UV index in September - Chase Wood Run, 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
Chase Wood Run, MD

Average cloud cover in September - Chase Wood Run, 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
Chase Wood Run, MD

Average visibility in September - Chase Wood Run, 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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Chase Wood Run, Maryland, USA

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