September weather forecast
Fairlawn, VA

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Weather in September

The first month of the autumn, September, is also a moderately hot month in Fairlawn, Virginia, with an average temperature fluctuating between 75°F (23.9°C) and 53.8°F (12.1°C).

Temperature

The arrival of September correlates with a minor temperature reduction, down from August's moderately hot 81.1°F (27.3°C) to a still warm 75°F (23.9°C). In the month of September, Fairlawn experiences an average low-temperature of 53.8°F (12.1°C).

Humidity

The average relative humidity in September is 79%.

Rainfall

September is the month with the least rainfall in Fairlawn. Rain falls for 14 days and accumulates 1.69" (43mm) of precipitation.

Snowfall

In Fairlawn, snow does not fall in June through September.

Daylight

The average length of the day in September is 12h and 25min.
On the first day of the month, sunrise is at 6:53 am and sunset at 7:50 pm. On the last day of September, sunrise is at 7:17 am and sunset at 7:06 pm EDT.

Sunshine

In Fairlawn, the average sunshine in September is 8.1h.

UV index

In September, the average daily maximum UV index in Fairlawn is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: In September, an average UV index of 4 transforms into the following instructions:
Take necessary precautions - Defending against sun damage is advocated. To guard against the harmful effects of the Sun, minimize exposure during midday. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Updated: Jul 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Fairlawn in September?

In September, in Fairlawn, the average high-temperature is 75°F (23.9°C), and the average low-temperature is 53.8°F (12.1°C). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which represents the influence of relative humidity on air temperature, in August is evaluated at 86°F (30°C).

What is the average humidity in September?

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

What is the driest month?

September is the month with the least rainfall. Rain falls for 14 days and accumulates 1.69" (43mm) of precipitation.

How much does it rain in September?

In Fairlawn, in September, during 14 rainfall days, 1.69" (43mm) of precipitation is typically accumulated.

When it does not snow?

June through September are months without snowfall.

Does it snow in September?

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

How many hours of daylight does Fairlawn have in September?

The average day length in September is 12h and 25min.

When is the sunrise / sunset in September?

In September, on the first day of the month, sunrise is at 6:53 am and sunset at 7:50 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 7:06 pm EDT.

How long on average sun shines in September?

In September, the average sunshine duration is 8.1h.

What is the UV index intensity in September?

The average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate vulnerability from exposure to the Sun's UV radiation.
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
Fairlawn, VA

Average temperature in September - Fairlawn, VA
  • Average high temperature in September: 75°F

The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is January (39.4°F).

  • Average low temperature in September: 53.8°F

The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).

Average pressure in September
Fairlawn, VA

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

The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).

Average wind speed in September
Fairlawn, VA

Average wind speed in September - Fairlawn, VA
  • Average wind speed in September: 4.7mph

The windiest months (with the highest average wind speed) are January and February (8mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).

Average humidity in September
Fairlawn, VA

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

The months with the highest relative humidity are February and December (80%).
The months with the lowest relative humidity are June and July (76%).

Average rainfall in September
Fairlawn, VA

Average rainfall in September - Fairlawn, VA
  • Average rainfall in September: 1.69"

The wettest month (with the highest rainfall) is May (3.43").
The driest month (with the least rainfall) is September (1.69").

Average rainfall days in September
Fairlawn, VA

Average rainfall days in September - Fairlawn, VA
  • Average rainfall days in September: 14 days

The month with the highest number of rainy days is May (20.7 days).
The month with the least rainy days is November (10.3 days).

Average snowfall in September
Fairlawn, VA

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

The month with the highest snowfall is February (4.57").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
Fairlawn, VA

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

The month with the highest number of snowfall days is January (9.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in September / Average sunshine in September - Fairlawn, VA
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).

  • Average sunshine in September: 8h and 1min

The month with the most sunshine is June (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).

Average sunshine days in September
Fairlawn, VA

Average sunshine days in September - Fairlawn, VA
  • Average sunshine days in September: 12.7 days

The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is May (8.3 days).

Average UV index in September
Fairlawn, VA

Average UV index in September - Fairlawn, VA
  • 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
Fairlawn, VA

Average cloud cover in September - Fairlawn, VA
  • Average cloud cover in September: 44

The month with the most cloud cover is February (Cloud cover 53).
The months with the least cloud cover are June and July (Cloud cover 37).

Average visibility in September
Fairlawn, VA

Average visibility in September - Fairlawn, VA
  • Average visibility in September: 4mi

The months with the highest visibility are January, February, March, April, May, June, July, August, October, November and December (5mi).
The month with the lowest visibility is September (4mi).

Fairlawn, Virginia, USA

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