September weather forecast
Oakleigh Forest, MD

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Weather in September

September, the first month of the autumn in Oakleigh Forest, is also a moderately hot month, with an average temperature ranging between max 77.4°F (25.2°C) and min 63.3°F (17.4°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 moderately hot 77.4°F (25.2°C). During September, the temperature in Oakleigh Forest tends to dip to an average of 63.3°F (17.4°C) at night.

Humidity

The average relative humidity in September is 74%.

Rainfall

In September, the rain falls for 12.3 days. Throughout September, 2.05" (52mm) of precipitation is accumulated. Throughout the year, there are 156.2 rainfall days, and 31.34" (796mm) of precipitation is accumulated.

Snowfall

May through October are months without snowfall.

Daylight

In Oakleigh Forest, 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

In September, the average sunshine is 9.1h.

UV index

The average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: In September, the maximum UV index of 5 suggests this advice:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Updated: Jul 22, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are September temperatures?

The average high-temperature and low-temperature during September are 77.4°F (25.2°C) and 63.3°F (17.4°C) respectively. In August, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which represents the influence of relative humidity on air temperature, is estimated at 91.4°F (33°C).

What is the average humidity in September?

In Oakleigh Forest, the average relative humidity in September is 74%.

How many days does it rain in September?

In Oakleigh Forest, during September, the rain falls for 12.3 days and regularly aggregates up to 2.05" (52mm) of precipitation.

When it does not snow?

May through October are months without snowfall.

How many hours of daylight does Oakleigh Forest have in September?

The average day length in September in Oakleigh Forest is 12h and 26min.

When are sunrise and sunset in September?

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.

How many hours of sunshine does Oakleigh Forest have in September?

In September, the average sunshine duration is 9.1h.

How high is the UV index in September in Oakleigh Forest?

In Oakleigh Forest, 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
Oakleigh Forest, MD

Average temperature in September - Oakleigh Forest, 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
Oakleigh Forest, MD

Average pressure in September - Oakleigh Forest, 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
Oakleigh Forest, MD

Average wind speed in September - Oakleigh Forest, 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
Oakleigh Forest, MD

Average humidity in September - Oakleigh Forest, MD
  • Average humidity in September: 74%

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
Oakleigh Forest, MD

Average rainfall in September - Oakleigh Forest, MD
  • Average rainfall in September: 2.05"

The wettest month (with the highest rainfall) is August (3.54").
The driest month (with the least rainfall) is January (2.01").

Average rainfall days in September
Oakleigh Forest, MD

Average rainfall days in September - Oakleigh Forest, MD
  • Average rainfall days in September: 12.3 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
Oakleigh Forest, MD

Average snowfall in September - Oakleigh Forest, 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
Oakleigh Forest, MD

Average snowfall days in September - Oakleigh Forest, 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
Oakleigh Forest, MD

Average daylight in September / Average sunshine in September - Oakleigh Forest, 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 December (Average sunshine: 5h and 0min).

Average sunshine days in September
Oakleigh Forest, MD

Average sunshine days in September - Oakleigh Forest, MD
  • Average sunshine days in September: 16.1 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
Oakleigh Forest, MD

Average UV index in September - Oakleigh Forest, 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 and December (UV index 2).

Average cloud cover in September
Oakleigh Forest, MD

Average cloud cover in September - Oakleigh Forest, 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
Oakleigh Forest, MD

Average visibility in September - Oakleigh Forest, 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).

Oakleigh Forest, Maryland, USA

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