September weather forecast
Upperville, VA

Weather in September

September, the first month of the autumn in Upperville, is also a moderately hot month, with an average temperature ranging between max 77°F (25°C) and min 56.8°F (13.8°C).

Temperature

In Upperville, the average high-temperature in September marginally drops from 84.4°F (29.1°C) in August to a still moderately hot 77°F (25°C). In September, the average low-temperature is 56.8°F (13.8°C).

Humidity

The average relative humidity in September is 77%.

Rainfall

In Upperville, Virginia, in September, it is raining for 12.9 days, with typically 1.61" (41mm) of accumulated precipitation. Throughout the year, in Upperville, there are 152.4 rainfall days, and 23.5" (597mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall.

Daylight

The average length of the day in September is 12h and 26min.
On the first day of the month, sunrise is at 6:40 am and sunset at 7:42 pm. On the last day of September, in Upperville, sunrise is at 7:06 am and sunset at 6:56 pm EDT.

Sunshine

In Upperville, the average sunshine in September is 8.8h.

UV index

The average daily maximum UV index in September in Upperville is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: The daily maximum UV index of 4 in September interpret into the following advice:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. 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.
[Resources]

FAQ

What is the temperature in September in Upperville?

The average high-temperature, in September, is 77°F (25°C), while the average low-temperature is 56.8°F (13.8°C). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, in August is evaluated at 93.2°F (34°C).

What is the average humidity in September in Upperville?

The average relative humidity in September in Upperville is 77%.

How much does it rain in Upperville in September?

In Upperville, during September, the rain falls for 12.9 days and regularly aggregates up to 1.61" (41mm) of precipitation.

When it does not snow in Upperville?

June through September are months without snowfall.

Does it snow in Upperville in September?

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

How many hours of daylight does Upperville have in September?

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

When are sunrise and sunset in September in Upperville?

On the first day of September in Upperville, sunrise is at 6:40 am and sunset at 7:42 pm. On the last day of the month, sunrise is at 7:06 am and sunset at 6:56 pm EDT.

How long on average sun shines in September in Upperville?

In September, the average sunshine duration is 8.8h.

What is the UV index reading in September in Upperville?

In September, the average daily maximum UV index in Upperville, Virginia, is 4. A UV Index of 3 to 5 symbolizes a moderate vulnerability from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Upperville, VA

Average temperature in September - Upperville, VA
  • Average high temperature in September: 77°F

The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (38.3°F).

  • Average low temperature in September: 56.8°F

The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (24.1°F).

[Resources]

Average pressure in September
Upperville, VA

Average pressure in September - Upperville, VA
  • Average pressure in September: 30.06"Hg

The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

[Resources]

Average wind speed in September
Upperville, VA

Average wind speed in September - Upperville, VA
  • Average wind speed in September: 4.8mph

The windiest months (with the highest average wind speed) are March and April (7.1mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).

[Resources]

Average humidity in September
Upperville, VA

Average humidity in September - Upperville, VA
  • Average humidity in September: 77%

The months with the highest relative humidity are May, October and December (78%).
The month with the lowest relative humidity is July (73%).

[Resources]

Average rainfall in September
Upperville, VA

Average rainfall in September - Upperville, VA
  • Average rainfall in September: 1.61"

The wettest months (with the highest rainfall) are May, July and August (2.68").
The driest month (with the least rainfall) is January (1.3").

[Resources]

Average rainfall days in September
Upperville, VA

Average rainfall days in September - Upperville, VA
  • Average rainfall days in September: 12.9 days

The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is January (7.9 days).

[Resources]

Average snowfall in September
Upperville, VA

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

The month with the highest snowfall is January (2.68").
The months with the least snowfall are June, July, August and September (0").

[Resources]

Average snowfall days in September
Upperville, VA

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

The month with the highest number of snowfall days is January (6.9 days).
The months with the least snowfall days are June, July, August and September (0 days).

[Resources]

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

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

The month with the longest days is June (Average daylight: 14h and 52min).
The month with the shortest days is December (Average daylight: 9h and 29min).

  • Average sunshine in September: 8h and 48min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The months with the least sunshine are January and December (Average sunshine: 5h and 0min).

[Resources]

Average sunshine days in September
Upperville, VA

Average sunshine days in September - Upperville, VA
  • Average sunshine days in September: 15.1 days

The month with the most sunshine days is November (19.4 days).
The month with the least sunshine days is May (11.5 days).

[Resources]

Average UV index in September
Upperville, VA

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

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, February, November and December (UV index 2).

[Resources]

Average cloud cover in September
Upperville, VA

Average cloud cover in September - Upperville, VA
  • Average cloud cover in September: 38

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

[Resources]

Average visibility in September
Upperville, VA

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

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

[Resources]

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location
* you will be automatically redirected to the weather forecast for your location