September weather forecast
Chamberlayne Farms, VA

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Weather in September

September, the first month of the autumn in Chamberlayne Farms, is still a warm month, with an average temperature varying between 80.8°F (27.1°C) and 62.2°F (16.8°C).

Temperature

September's arrival coincides with a soft drop in the average high-temperature, subtly decreasing from August's hot 87.8°F (31°C) to a moderately hot 80.8°F (27.1°C). During September nights, Chamberlayne Farms records an average temperature of 62.2°F (16.8°C).

Heat index

September's mean heat index is calculated to be 84.2°F (29°C). If one sustains activity during exposure, it could lead to a sense of fatigue, with a chance of heat cramps.
Data suggests that the heat index is set for environments in shade and with a light wind. Facing direct sunlight may hike up the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. Elements such as metabolic variations, being pregnant, and physical activity can impact one's weather perception. When directly under the sun, the weather's impact can intensify, possibly boosting the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Young individuals usually face greater risks than adults as their sweat production is less. Also, their larger skin surface relative to their small bodies and the high heat generation due to their activity contributes to their vulnerability.

Humidity

In Chamberlayne Farms, the average relative humidity in September is 75%.

Rainfall

September is the month with the least rainfall. Rain falls for 11.6 days and accumulates 1.69" (43mm) of precipitation.

Snowfall

May through October are months without snowfall.

Daylight

In September, the average length of the day is 12h and 25min.
On the first day of September in Chamberlayne Farms, sunrise is at 6:40 am and sunset at 7:38 pm. On the last day of the month, sunrise is at 7:05 am and sunset at 6:53 pm EDT.

Sunshine

In September, the average sunshine is 8.8h.

UV index

The average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: In September, the maximum UV index of 5 transforms into these recommendations:
Guard yourself - Precautionary measures against sun damage are advocated. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Enhance your sun protection with tightly woven, yet airy clothing.
Updated: Aug 15, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are September temperatures?

In September, in Chamberlayne Farms, the average high-temperature is 80.8°F (27.1°C), and the average low-temperature is 62.2°F (16.8°C). In September, the average heat index (a.k.a. 'real feel', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, is calculated to be 84.2°F (29°C).

What is the average humidity in September?

In September, the average relative humidity is 75%.

What is the driest month?

September is the month with the least rainfall. Rain falls for 11.6 days and accumulates 1.69" (43mm) of precipitation.

How much does it rain in September?

In Chamberlayne Farms, in September, during 11.6 rainfall days, 1.69" (43mm) of precipitation is typically accumulated.

When it does not snow?

In Chamberlayne Farms, snow does not fall in May through October.

How many hours of daylight does Chamberlayne Farms have in September?

In Chamberlayne Farms, the average day length in September is 12h and 25min.

When are sunrise and sunset in September?

In September, on the first day of the month, sunrise is at 6:40 am and sunset at 7:38 pm. On the last day of the month, sunrise is at 7:05 am and sunset at 6:53 pm EDT.

How many hours of sunshine does Chamberlayne Farms have in September?

The average sunshine duration in September is 8.8h.

What is the UV index reading in September?

The average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium hazard to health from 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
Chamberlayne Farms, VA

Average temperature in September - Chamberlayne Farms, VA
  • Average high temperature in September: 80.8°F

The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is January (43.9°F).

  • Average low temperature in September: 62.2°F

The month with the highest average low temperature is July (69.3°F).
The coldest month (with the lowest average low temperature) is January (28.9°F).

Average pressure in September
Chamberlayne Farms, VA

Average pressure in September - Chamberlayne Farms, VA
  • Average pressure in September: 30.04"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).

Average wind speed in September
Chamberlayne Farms, VA

Average wind speed in September - Chamberlayne Farms, VA
  • Average wind speed in September: 5.6mph

The windiest month (with the highest average wind speed) is April (7.3mph).
The calmest month (with the lowest average wind speed) is August (5mph).

Average humidity in September
Chamberlayne Farms, VA

Average humidity in September - Chamberlayne Farms, VA
  • Average humidity in September: 75%

The month with the highest relative humidity is December (78%).
The month with the lowest relative humidity is July (69%).

Average rainfall in September
Chamberlayne Farms, VA

Average rainfall in September - Chamberlayne Farms, VA
  • Average rainfall in September: 1.69"

The wettest month (with the highest rainfall) is August (2.83").
The driest month (with the least rainfall) is September (1.69").

Average rainfall days in September
Chamberlayne Farms, VA

Average rainfall days in September - Chamberlayne Farms, VA
  • Average rainfall days in September: 11.6 days

The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is November (9.2 days).

Average snowfall in September
Chamberlayne Farms, VA

Average snowfall in September - Chamberlayne Farms, VA
  • Average snowfall in September: 0"

The month with the highest snowfall is February (1.93").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in September
Chamberlayne Farms, VA

Average snowfall days in September - Chamberlayne Farms, VA
  • Average snowfall days in September: 0 days

The months with the highest number of snowfall days are January and February (3.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in September /
Average sunshine in September
Chamberlayne Farms, VA

Average daylight in September / Average sunshine in September - Chamberlayne Farms, 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 36min).

  • Average sunshine in September: 8h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 12min).

Average sunshine days in September
Chamberlayne Farms, VA

Average sunshine days in September - Chamberlayne Farms, VA
  • Average sunshine days in September: 15.8 days

The month with the most sunshine days is November (19.3 days).
The month with the least sunshine days is May (11.7 days).

Average UV index in September
Chamberlayne Farms, VA

Average UV index in September - Chamberlayne Farms, VA
  • Average UV index in September: 5

The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January, February and December (UV index 2).

Average cloud cover in September
Chamberlayne Farms, VA

Average cloud cover in September - Chamberlayne Farms, VA
  • Average cloud cover in September: 38

The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 32).

Average visibility in September
Chamberlayne Farms, VA

Average visibility in September - Chamberlayne Farms, VA
  • Average visibility in September: 6mi

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

Chamberlayne Farms, Virginia, USA

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