September weather forecast
Sperryville, VA

Weather in September

September, the first month of the autumn in Sperryville, is also a moderately hot month, with an average temperature varying between 55.4°F (13°C) and 75.9°F (24.4°C).

Temperature

In Sperryville, the average high-temperature in September marginally drops from 82.9°F (28.3°C) in August to a still warm 75.9°F (24.4°C). In September, the average low-temperature is 55.4°F (13°C).

Humidity

The months with the highest humidity in Sperryville are September and October, with an average relative humidity of 79%.

Rainfall

In Sperryville, it is raining for 10.6 days, with typically 0.63" (16mm) of accumulated precipitation. Throughout the year, there are 116.3 rainfall days, and 9.72" (247mm) of precipitation is accumulated.

Snowfall

May through October are months without snowfall in Sperryville.

Daylight

The average length of the day in September is 12h and 26min.
On the first day of the month, sunrise is at 6:42 am and sunset at 7:43 pm. On the last day of September, sunrise is at 7:08 am and sunset at 6:57 pm EDT.

Sunshine

In September, the average sunshine is 8.4h.

UV index

The average daily maximum UV index in September in Sperryville is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: The daily maximum UV index of 4 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. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What are the most humid months in Sperryville?

September and October, with an average relative humidity of 79%, are most humid months.

What is the average humidity in September in Sperryville?

In September, the average relative humidity is 79%.

How much does it rain in Sperryville in September?

In Sperryville, Virginia, during September, the rain falls for 10.6 days and regularly aggregates up to 0.63" (16mm) of precipitation.

When it does not snow in Sperryville?

May through October are months without snowfall in Sperryville.

How many hours of daylight does Sperryville have in September?

In September, the average day length is 12h and 26min.

What time are sunrise and sunset in September in Sperryville?

In September, on the first day of the month, sunrise is at 6:42 am and sunset at 7:43 pm. On the last day of the month, sunrise is at 7:08 am and sunset at 6:57 pm EDT.

How many hours of sunshine does Sperryville have in September?

In Sperryville, Virginia, the average sunshine duration in September is 8.4h.

How high is the UV index in September in Sperryville?

The average daily maximum UV index in September in Sperryville is 4. A UV Index reading of 3 to 5 represents a moderate vulnerability from exposure to Sun's UV rays.

Average temperature in September
Sperryville, VA

Average temperature in September - Sperryville, VA
  • Average high temperature in September: 75.9°F

The warmest month (with the highest average high temperature) is July (85.1°F).
The month with the lowest average high temperature is January (38.8°F).

  • Average low temperature in September: 55.4°F

The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (23.7°F).

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Average pressure in September
Sperryville, VA

Average pressure in September - Sperryville, VA
  • 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 (29.96"Hg).

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Average wind speed in September
Sperryville, VA

Average wind speed in September - Sperryville, VA
  • Average wind speed in September: 4.5mph

The windiest month (with the highest average wind speed) is February (6.7mph).
The calmest month (with the lowest average wind speed) is August (4.1mph).

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Average humidity in September
Sperryville, VA

Average humidity in September - Sperryville, VA
  • Average humidity in September: 79%

The months with the highest relative humidity are September and October (79%).
The month with the lowest relative humidity is July (74%).

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Average rainfall in September
Sperryville, VA

Average rainfall in September - Sperryville, VA
  • Average rainfall in September: 0.63"

The wettest month (with the highest rainfall) is August (1.18").
The driest month (with the least rainfall) is January (0.51").

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Average rainfall days in September
Sperryville, VA

Average rainfall days in September - Sperryville, VA
  • Average rainfall days in September: 10.6 days

The month with the highest number of rainy days is May (13.1 days).
The month with the least rainy days is January (6.3 days).

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Average snowfall in September
Sperryville, VA

Average snowfall in September - Sperryville, VA
  • Average snowfall in September: 0"

The month with the highest snowfall is March (0.91").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in September
Sperryville, VA

Average snowfall days in September - Sperryville, VA
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (4.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in September /
Average sunshine in September
Sperryville, VA

Average daylight in September / Average sunshine in September - Sperryville, VA
  • Average daylight in September: 12h and 26min

The month with the longest days is June (Average daylight: 14h and 50min).
The month with the shortest days is December (Average daylight: 9h and 31min).

  • Average sunshine in September: 8.4h

The month with the most sunshine is July (Average sunshine: 10.4h).
The month with the least sunshine is December (Average sunshine: 4.9h).

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Average sunshine days in September
Sperryville, VA

Average sunshine days in September - Sperryville, VA
  • Average sunshine days in September: 16.5 days

The month with the most sunshine days is November (21.8 days).
The month with the least sunshine days is May (14.4 days).

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Average UV index in September
Sperryville, VA

Average UV index in September - Sperryville, VA
  • Average UV index in September: 4

The months with the highest UV index are May, June and July (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
Sperryville, VA

Average cloud cover in September - Sperryville, VA
  • Average cloud cover in September: 42

The month with the most cloud cover is March (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 33).

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Average visibility in September
Sperryville, VA

Average visibility in September - Sperryville, VA
  • Average visibility in September: 5mi

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

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