September weather forecast
Raynor Heights, MD

Weather in September

September, the first month of the autumn in Raynor Heights, is also a moderately hot month, with an average temperature varying between 62.2°F (16.8°C) and 77.2°F (25.1°C).

Temperature

In Raynor Heights, the average high-temperature in September marginally drops from a warm 83.8°F (28.8°C) in August to a still moderately hot 77.2°F (25.1°C). In Raynor Heights, Maryland, in September, the average low-temperature is 62.2°F (16.8°C).

Humidity

In Raynor Heights, the average relative humidity in September is 75%.

Rainfall

In Raynor Heights, Maryland, during September, the rain falls for 13.1 days and regularly aggregates up to 2.09" (53mm) of precipitation. Throughout the year, in Raynor Heights, there are 156.3 rainfall days, and 29.61" (752mm) of precipitation is accumulated.

Snowfall

In Raynor Heights, Maryland, snow does not fall in April through October.

Daylight

In Raynor Heights, 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 7:37 pm. On the last day of the month, sunrise is at 7:01 am and sunset at 6:51 pm EDT.

Sunshine

In Raynor Heights, the average sunshine in September is 9.3h.

UV index

The average daily maximum UV index in September 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 average person.
Note: The daily maximum UV index of 5 in September interpret into the following advice:
Take precautions - Protection against sun damage is advised. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. 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 average humidity in September in Raynor Heights?

In September, the average relative humidity is 75%.

How much does it rain in Raynor Heights in September?

In Raynor Heights, Maryland, during September, the rain falls for 13.1 days and regularly aggregates up to 2.09" (53mm) of precipitation.

When it does not snow in Raynor Heights?

In Raynor Heights, Maryland, snow does not fall in April through October.

What is the average length of the day in September in Raynor Heights?

In Raynor Heights, Maryland, the average day length in September is 12h and 26min.

When is the sunrise / sunset in September in Raynor Heights?

In September, on the first day of the month, sunrise is at 6:35 am and sunset at 7:37 pm. On the last day of the month, in Raynor Heights, Maryland, sunrise is at 7:01 am and sunset at 6:51 pm EDT.

How long on average sun shines in September in Raynor Heights?

In September, the average sunshine duration in Raynor Heights, Maryland, is 9.3h.

What is the UV index reading in September in Raynor Heights?

The average daily maximum UV index in September in Raynor Heights, Maryland, is 5. A UV Index value of 3 to 5 symbolizes a medium hazard to health from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Raynor Heights, MD

Average temperature in September - Raynor Heights, MD
  • Average high temperature in September: 77.2°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 (38.8°F).

  • Average low temperature in September: 62.2°F

The month with the highest average low temperature is July (70°F).
The coldest month (with the lowest average low temperature) is January (27.3°F).

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Average pressure in September
Raynor Heights, MD

Average pressure in September - Raynor Heights, 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
Raynor Heights, MD

Average wind speed in September - Raynor Heights, MD
  • Average wind speed in September: 6.5mph

The windiest months (with the highest average wind speed) are February and March (9mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).

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Average humidity in September
Raynor Heights, MD

Average humidity in September - Raynor Heights, MD
  • Average humidity in September: 75%

The month with the highest relative humidity is May (77%).
The months with the lowest relative humidity are April and July (72%).

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Average rainfall in September
Raynor Heights, MD

Average rainfall in September - Raynor Heights, MD
  • Average rainfall in September: 2.09"

The wettest month (with the highest rainfall) is August (3.94").
The driest month (with the least rainfall) is January (1.77").

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Average rainfall days in September
Raynor Heights, MD

Average rainfall days in September - Raynor Heights, MD
  • Average rainfall days in September: 13.1 days

The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is January (8.6 days).

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Average snowfall in September
Raynor Heights, MD

Average snowfall in September - Raynor Heights, MD
  • Average snowfall in September: 0"

The month with the highest snowfall is January (2.24").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in September
Raynor Heights, MD

Average snowfall days in September - Raynor Heights, MD
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (3.9 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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Average daylight in September /
Average sunshine in September
Raynor Heights, MD

Average daylight in September / Average sunshine in September - Raynor Heights, MD
  • Average daylight in September: 12h and 26min

The month with the longest days is June (Average daylight: 14h and 53min).
The month with the shortest days is December (Average daylight: 9h and 28min).

  • Average sunshine in September: 9h and 18min

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
Raynor Heights, MD

Average sunshine days in September - Raynor Heights, MD
  • Average sunshine days in September: 14.7 days

The month with the most sunshine days is November (19.9 days).
The month with the least sunshine days is July (10.9 days).

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Average UV index in September
Raynor Heights, MD

Average UV index in September - Raynor Heights, 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, February, November and December (UV index 2).

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Average cloud cover in September
Raynor Heights, MD

Average cloud cover in September - Raynor Heights, MD
  • Average cloud cover in September: 34

The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 29).

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Average visibility in September
Raynor Heights, MD

Average visibility in September - Raynor Heights, 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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