Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
In White Hall, the average high-temperature in September gently drops from a warm 81.1°F (27.3°C) in August to a still moderately hot 74.8°F (23.8°C). Throughout September, an average low-temperature of 57.2°F (14°C) is expected in White Hall, Maryland.Humidity
In September, the average relative humidity in White Hall is 79%.Rainfall
In White Hall, in September, it is raining for 12.8 days, with typically 1.81" (46mm) of accumulated precipitation. Throughout the year, in White Hall, there are 145.5 rainfall days, and 24.96" (634mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
In September, the average length of the day 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 White Hall, Maryland, the average sunshine in September is 8.9h.UV index
In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum UV index of 4 during September translates into these guidelines:
Undertake protective steps - Preventing sun damage is advised. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
Frequently asked questions
What is the usual temperature for White Hall in September?
What is the average humidity in September in White Hall?
How much does it rain in White Hall in September?
When it does not snow in White Hall?
Does it snow in White Hall in September?
What is the average length of the day in September in White Hall?
When are sunrise and sunset in September in White Hall?
How many hours of sunshine does White Hall have in September?
What is the UV index reading in September in White Hall?
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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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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