September weather forecast
Emporia, VA

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Weather in September

September signals the onset of autumn in Emporia, with average high temperatures declining to a more comfortable 81.1°F (27.3°C), and average lows to a cooler 63.1°F (17.3°C). Despite a decrease in temperature, rainfall decreases comparatively, amounting to 2.09" (53mm) over the month. Equinox in September brings a balance in daylight and night duration, with each being approximately 12 hours. Residents typically look forward to September as it brings relief from the summer heat, with the changing foliage in Emporia filled with hues of gold and red providing a beautiful backdrop. The mild weather conditions make it perfect for cycling and trekking.

Temperature

Emporia's transition into September involves a gentle shift in temperature, receding from a hot 86.9°F (30.5°C) in August to a warm 81.1°F (27.3°C). Throughout the nights in September, an average low-temperature of 63.1°F (17.3°C) is noted.

Heat index

During September, the heat index is evaluated at a hot 86°F (30°C). Constant exposure and activity lead to possible fatigue. Prolonged exercise may result in heat cramps.
Heat index's context suggests values are appropriate for shady areas and slight breezes. Heat index values may rise by up to 15 Fahrenheit (8 Celsius) degrees when exposed to direct sunlight.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is a measure that combines air temperature and relative humidity into a single value that indicates how hot the weather feels. Elements such as metabolic variations, pregnancy, and physical exertion can influence one's weather perception. One should be aware that direct sunshine can amplify the perceived temperature, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Young individuals usually face more risks than adults due to their lower sweat production. Their large skin surface area relative to their tiny bodies and high heat production from their activities adds to their risk.

Humidity

In Emporia, the average relative humidity in September is 77%.

Rainfall

In Emporia, in September, it is raining for 13 days, with typically 2.09" (53mm) of accumulated precipitation. In Emporia, Virginia, during the entire year, the rain falls for 167.6 days and collects up to 32.09" (815mm) of precipitation.

Snowfall

April through October are months without snowfall in Emporia.

Daylight

The average length of the day in September is 12h and 24min.
On the first day of the month, sunrise is at 6:41 am and sunset at 7:38 pm. On the last day of September, sunrise is at 7:05 am and sunset at 6:54 pm EDT.

Sunshine

The average sunshine in September is 9h.

UV index

The average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the average person.
Note: An average UV index of 5 in September transforms into this advice:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
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Frequently asked questions

What are the temperatures in Emporia in September?

An average high-temperature, in September, in Emporia, is 81.1°F (27.3°C) and the average low-temperature is 63.1°F (17.3°C). The average heat index (a.k.a. 'feels like', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, in September is evaluated at 86°F (30°C).

What is the average humidity in September in Emporia?

In Emporia, Virginia, the average relative humidity in September is 77%.

How much does it rain in Emporia in September?

In Emporia, during September, the rain falls for 13 days and regularly aggregates up to 2.09" (53mm) of precipitation.

When it does not snow in Emporia?

April through October are months without snowfall in Emporia, Virginia.

How many hours of daylight does Emporia have in September?

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

What time are sunrise and sunset in September in Emporia?

On the first day of September, sunrise is at 6:41 am and sunset at 7:38 pm. On the last day of the month, sunrise is at 7:05 am and sunset at 6:54 pm EDT.

How many hours of sunshine does Emporia have in September?

In Emporia, the average sunshine duration in September is 9h.

What is the UV index reading in September in Emporia?

In Emporia, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate health threat 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
Emporia, VA

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

The warmest month (with the highest average high temperature) is July (88.9°F).
The month with the lowest average high temperature is January (46.2°F).

  • Average low temperature in September: 63.1°F

The month with the highest average low temperature is July (69.8°F).
The coldest month (with the lowest average low temperature) is January (31.1°F).

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Average pressure in September
Emporia, VA

Average pressure in September - Emporia, VA
  • Average pressure in September: 30.03"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
Emporia, VA

Average wind speed in September - Emporia, VA
  • Average wind speed in September: 6.2mph

The windiest month (with the highest average wind speed) is April (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).

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Average humidity in September
Emporia, VA

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

The month with the highest relative humidity is May (79%).
The months with the lowest relative humidity are January, February, April, July and November (74%).

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Average rainfall in September
Emporia, VA

Average rainfall in September - Emporia, VA
  • Average rainfall in September: 2.09"

The wettest month (with the highest rainfall) is August (3.35").
The driest month (with the least rainfall) is October (1.89").

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Average rainfall days in September
Emporia, VA

Average rainfall days in September - Emporia, VA
  • Average rainfall days in September: 13 days

The months with the highest number of rainy days are May and July (18.3 days).
The month with the least rainy days is November (10.1 days).

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Average snowfall in September
Emporia, VA

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

The month with the highest snowfall is February (1.54").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in September
Emporia, VA

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

The months with the highest number of snowfall days are January and February (2.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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

Average daylight in September / Average sunshine in September - Emporia, 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: 9h and 0min

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

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Average sunshine days in September
Emporia, VA

Average sunshine days in September - Emporia, VA
  • Average sunshine days in September: 15.9 days

The month with the most sunshine days is November (19.2 days).
The month with the least sunshine days is July (10.6 days).

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Average UV index in September
Emporia, VA

Average UV index in September - Emporia, 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).

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Average cloud cover in September
Emporia, VA

Average cloud cover in September - Emporia, 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).

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Average visibility in September
Emporia, VA

Average visibility in September - Emporia, 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).

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Emporia, Virginia, USA

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