Glen Burnie
Maryland, USA
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Glen Burnie, MD

The first month of the autumn, September, is also a moderately hot month in Glen Burnie, Maryland, with average temperature fluctuating between 77.2°F (25.1°C) and 62.4°F (16.9°C).

Temperature

In September, the average high-temperature marginally drops, from a moderately hot 83.8°F (28.8°C) in August, to a still warm 77.2°F (25.1°C). In Glen Burnie, the average low-temperature is 62.4°F (16.9°C).

Humidity

In September, the average relative humidity in Glen Burnie is 75%.

Rainfall

In Glen Burnie, during September, the rain falls for 13.1 days and regularly aggregates up to 2.2" (56mm) of precipitation. In Glen Burnie, during the entire year, the rain falls for 157.2 days and collects up to 30.47" (774mm) of precipitation.

Snowfall

In Glen Burnie, Maryland, snow does not fall in April through October.

Daylight

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

Sunshine

In September, the average sunshine is 9.3h.

UV index

In Glen Burnie, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from the exposure to the Sun's UV radiation for ordinary individuals.
Note: In September, the average maximum UV index of 5 translate into the following recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.

What is the temperature in September in Glen Burnie?

In Glen Burnie, Maryland, in September, the average high-temperature is 77.2°F (25.1°C), and the average low-temperature is 62.4°F (16.9°C).

What is the average humidity in September in Glen Burnie?

The average relative humidity in September is 75%.

How many days does it rain in September in Glen Burnie?

In September, in Glen Burnie, the rain falls for 13.1 days. Throughout September, 2.2" (56mm) of precipitation is accumulated.

When it does not snow in Glen Burnie?

April through October are months without snowfall in Glen Burnie.

What is the average length of the day in September in Glen Burnie?

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

How many hours of sunshine does Glen Burnie have in September?

The average sunshine in September is 9.3h.

What is the UV index intensity in September in Glen Burnie?

In Glen Burnie, Maryland, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate vulnerability from unsafe exposure to the Sun's UV rays.
Average temperature in September - Glen Burnie, MD
  • Average high temperature in September: 77.2°F

The warmest month (with the highest average high temperature) is July (85.5°F).
The month with the lowest average high temperature is January (38.8°F).

  • Average low temperature in September: 62.4°F

The month with the highest average low temperature is July (70.3°F).
The coldest month (with the lowest average low temperature) is January (27.7°F).

Average humidity in September - Glen Burnie, MD
  • Average humidity in September: 75%

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

Average rainfall in September - Glen Burnie, MD
  • Average rainfall in September: 2.2"

The wettest month (with the highest rainfall) is August (4.09").
The driest month (with the least rainfall) is January (1.81").

Average rainfall days in September - Glen Burnie, MD
  • Average rainfall days in September: 13.1 days

The month with the highest number of rainy days is May (18 days).
Months with the least rainy days are January and November (8.4 days).

Average snowfall in September - Glen Burnie, MD
  • Average snowfall in September: 0"

The month with the highest snowfall is January (2.09").
Months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in September - Glen Burnie, MD
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (3.8 days).
Months with the least snowfall days are April, May, June, July, August, September and October (0 days).

Average daylight in September / Average sunshine in September - Glen Burnie, MD
  • Average daylight in September: 12.4h

The month with the longest days is June (Average daylight: 14.9h).
The month with the shortest days is December (Average daylight: 9.5h).

  • Average sunshine in September: 9.3h

The month with the most sunshine is July (Average sunshine: 10.9h).
The month with the least sunshine is February (Average sunshine: 5.1h).

Average UV index in September - Glen Burnie, MD
  • Average UV index in September: 5

Months with the highest UV index are May, June, July and August (UV index 6).
Months with the lowest UV index are January, November and December (UV index 2).