September weather forecast
Alberta, VA

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Weather in September

The first month of the autumn, September, is still a warm month in Alberta, Virginia, with temperature in the range of an average high of 81.1°F (27.3°C) and an average low of 62.8°F (17.1°C).

Temperature

September's arrival coincides with a soft drop in the average high-temperature, subtly decreasing from August's tropical 87.3°F (30.7°C) to a warm 81.1°F (27.3°C). Alberta's average low-temperature in September is measured at a refreshing 62.8°F (17.1°C).

Heat index

The heat index in September is appraised at a tropical 86°F (30°C). Continued exposure and engagement in activity might trigger tiredness and subsequently heat cramps.
Given the heat index, its values are aligned with shaded sites and gentle winds. Direct sunlight can potentially boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is a metric representing the sensation of warmth when air temperature and moisture come together. One's perception of temperature is subjective, varying based on their activity and individual heat perception, influenced by factors like wind, clothing, and metabolic variations. It is noteworthy that being in direct sunlight can enhance the weather's impact, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Young ones are generally more prone to risk than adults due to their reduced ability to sweat. Their large skin surface area relative to their diminutive bodies and elevated heat production from their activities further enhance this risk.

Humidity

The average relative humidity in September is 76%.

Rainfall

In Alberta, Virginia, in September, during 11.8 rainfall days, 1.34" (34mm) of precipitation is typically accumulated. Throughout the year, there are 146.6 rainfall days, and 20.91" (531mm) of precipitation is accumulated.

Snowfall

In Alberta, Virginia, snow does not fall in April through October.

Daylight

The average length of the day in September is 12h and 24min.
On the first day of the month, sunrise is at 6:43 am and sunset at 7:39 pm. On the last day of September, in Alberta, sunrise is at 7:06 am and sunset at 6:55 pm EDT.

Sunshine

In Alberta, Virginia, the average sunshine in September is 8.8h.

UV index

In September, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: The daily high UV index of 5 during September translates into the following recommendations:
Undertake precautions - Guarding against sun damage is counselled. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Updated: Jul 11, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Alberta in September?

In September, in Alberta, the average high-temperature is 81.1°F (27.3°C), and the average low-temperature is 62.8°F (17.1°C). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which represents the influence of relative humidity on air temperature, in September is appraised at 86°F (30°C).

What is the average humidity in September?

In September, the average relative humidity is 76%.

How much does it rain in September?

In Alberta, Virginia, during September, the rain falls for 11.8 days and regularly aggregates up to 1.34" (34mm) of precipitation.

When it does not snow?

April through October are months without snowfall.

How many hours of daylight does Alberta have in September?

In September, the average day length in Alberta is 12h and 24min.

When is the sunrise / sunset in September?

In September, on the first day of the month, sunrise is at 6:43 am and sunset at 7:39 pm. On the last day of the month, in Alberta, sunrise is at 7:06 am and sunset at 6:55 pm EDT.

How long on average sun shines in September?

In Alberta, the average sunshine duration in September is 8.8h.

What is the UV index intensity in September?

In Alberta, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium hazard to health from unsafe 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
Alberta, VA

Average temperature in September - Alberta, VA
  • Average high temperature in September: 81.1°F

The warmest month (with the highest average high temperature) is July (89.6°F).
The month with the lowest average high temperature is January (46°F).

  • Average low temperature in September: 62.8°F

The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (30.6°F).

Average pressure in September
Alberta, VA

Average pressure in September - Alberta, 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 (29.96"Hg).

Average wind speed in September
Alberta, VA

Average wind speed in September - Alberta, VA
  • Average wind speed in September: 5.9mph

The windiest month (with the highest average wind speed) is April (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

Average humidity in September
Alberta, VA

Average humidity in September - Alberta, VA
  • Average humidity in September: 76%

The months with the highest relative humidity are May and December (78%).
The month with the lowest relative humidity is July (72%).

Average rainfall in September
Alberta, VA

Average rainfall in September - Alberta, VA
  • Average rainfall in September: 1.34"

The wettest months (with the highest rainfall) are May and August (2.05").
The driest month (with the least rainfall) is October (1.1").

Average rainfall days in September
Alberta, VA

Average rainfall days in September - Alberta, VA
  • Average rainfall days in September: 11.8 days

The month with the highest number of rainy days is July (17.1 days).
The month with the least rainy days is October (8.3 days).

Average snowfall in September
Alberta, VA

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

The month with the highest snowfall is January (1.18").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in September
Alberta, VA

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

The month with the highest number of snowfall days is February (2.7 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
Alberta, VA

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

The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).

  • Average sunshine in September: 8h and 5min

The months with the most sunshine are June and July (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).

Average sunshine days in September
Alberta, VA

Average sunshine days in September - Alberta, VA
  • Average sunshine days in September: 16 days

The month with the most sunshine days is October (21.7 days).
The month with the least sunshine days is July (11.5 days).

Average UV index in September
Alberta, VA

Average UV index in September - Alberta, VA
  • Average UV index in September: 5

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 and December (UV index 2).

Average cloud cover in September
Alberta, VA

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

The month with the most cloud cover is March (Cloud cover 44).
The months with the least cloud cover are June and July (Cloud cover 31).

Average visibility in September
Alberta, VA

Average visibility in September - Alberta, VA
  • Average visibility in September: 6mi

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

Alberta, Virginia, USA

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