September weather forecast
White Hall, MD

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Weather in September

September, the first month of the autumn in White Hall, is still a warm month, with an average temperature ranging between min 57.2°F (14°C) and max 74.8°F (23.8°C).

Temperature

As August makes way for September, White Hall's average high-temperature eases from 81.1°F (27.3°C) to a still warm 74.8°F (23.8°C). An average nighttime temperature of 57.2°F (14°C) is recorded during September.

Humidity

In White Hall, the average relative humidity in September is 79%.

Rainfall

In White Hall, Maryland, in September, it is raining for 12.8 days, with typically 1.81" (46mm) of accumulated precipitation. In White Hall, during the entire year, the rain falls for 145.5 days and collects up to 24.96" (634mm) of precipitation.

Snowfall

June through September are months without snowfall in White Hall.

Daylight

In White Hall, 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 7:02 am and sunset at 6:50 pm EDT.

Sunshine

In September, the average sunshine is 8.9h.

UV index

In White Hall, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for average individuals.
Note: In September, the UV index of 4 transforms into the following advice:
Take measures. Individuals with light skin might experience burns in under 30 minutes. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. To cut down UV radiation exposure by about half, sport a wide-brim hat.

Frequently asked questions

What is the usual temperature for White Hall in September?

An average high-temperature, in September, in White Hall, is 74.8°F (23.8°C) and the average low-temperature is 57.2°F (14°C). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which factors the actual air temperature with the relative humidity, in August is computed to be 86°F (30°C).

What is the average humidity in September?

The average relative humidity in September is 79%.

How much does it rain in September?

In White Hall, in September, during 12.8 rainfall days, 1.81" (46mm) of precipitation is typically accumulated.

When it does not snow?

In White Hall, snow does not fall in June through September.

Does it snow in September?

In White Hall, in September, it doesn't snow. In October, it regularly snows.

What is the average length of the day in September?

In September, the average day length 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 7:37 pm. On the last day of the month, sunrise is at 7:02 am and sunset at 6:50 pm EDT.

How long on average sun shines in September?

In September, the average sunshine duration is 8.9h.

What is the UV index reading in September?

The average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate health threat from unsafe 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
White Hall, MD

Average temperature in September - White Hall, MD
  • Average high temperature in September: 74.8°F

The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is January (36.1°F).

  • Average low temperature in September: 57.2°F

The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (23.5°F).

Average pressure in September
White Hall, MD

Average pressure in September - White Hall, MD
  • Average pressure in September: 30.06"Hg

The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed in September
White Hall, MD

Average wind speed in September - White Hall, MD
  • Average wind speed in September: 6mph

The windiest months (with the highest average wind speed) are February and March (8.9mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

Average humidity in September
White Hall, MD

Average humidity in September - White Hall, MD
  • Average humidity in September: 79%

The month with the highest relative humidity is May (81%).
The months with the lowest relative humidity are January, March, April and November (76%).

Average rainfall in September
White Hall, MD

Average rainfall in September - White Hall, MD
  • Average rainfall in September: 1.81"

The wettest month (with the highest rainfall) is August (3.03").
The driest month (with the least rainfall) is February (1.38").

Average rainfall days in September
White Hall, MD

Average rainfall days in September - White Hall, MD
  • Average rainfall days in September: 12.8 days

The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is January (6.5 days).

Average snowfall in September
White Hall, MD

Average snowfall in September - White Hall, MD
  • Average snowfall in September: 0"

The month with the highest snowfall is March (3.43").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
White Hall, MD

Average snowfall days in September - White Hall, MD
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (5.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
White Hall, MD

Average daylight in September / Average sunshine in September - White Hall, 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 24min).

  • Average sunshine in September: 8h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

Average sunshine days in September
White Hall, MD

Average sunshine days in September - White Hall, MD
  • Average sunshine days in September: 14.8 days

The month with the most sunshine days is November (20.1 days).
The month with the least sunshine days is May (11.1 days).

Average UV index in September
White Hall, MD

Average UV index in September - White Hall, MD
  • Average UV index in September: 4

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

Average cloud cover in September
White Hall, MD

Average cloud cover in September - White Hall, MD
  • Average cloud cover in September: 37

The months with the most cloud cover are February and March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 30).

Average visibility in September
White Hall, MD

Average visibility in September - White Hall, MD
  • Average visibility in September: 5mi

The months with the highest visibility are January, February, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are May and September (5mi).

White Hall, Maryland, USA

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