September weather forecast
Fort Blackmore, VA

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Weather in September

September, the first month of the autumn in Fort Blackmore, is also a moderately hot month, with an average temperature varying between 56.3°F (13.5°C) and 79.5°F (26.4°C).

Temperature

Fort Blackmore notes an average high-temperature of a still warm 79.5°F (26.4°C) in September, hardly diverging from August. Fort Blackmore demonstrates a significant disparity from daytime highs throughout the month of September, with an average nighttime temperature of 56.3°F (13.5°C).

Humidity

June through September and November, with an average relative humidity of 75%, are the least humid months.

Rainfall

The month with the least rainfall is September, when the rain falls for 14 days and typically collects 1.57" (40mm) of precipitation.

Snowfall

May through September are months without snowfall.

Daylight

The average length of the day in September is 12h and 24min.
On the first day of September, sunrise is at 7:01 am and sunset at 7:58 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 7:14 pm EDT.

Sunshine

In September, the average sunshine is 8.7h.

UV index

The average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.
Note: In September, the average maximum UV index of 4 translates into the following recommendations:
Take necessary precautions - Defending against sun damage is advocated. When the Sun is at its strongest around midday, find shade and limit exposure. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Updated: Aug 21, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are September temperatures?

The average high-temperature, in September, in Fort Blackmore, is 79.5°F (26.4°C), while the average low-temperature is 56.3°F (13.5°C). The average heat index (a.k.a. 'feels like', 'apparent temperature'), which factors the actual air temperature with the relative humidity, in August is estimated at 93.2°F (34°C).

What are the least humid months?

June through September and November, with an average relative humidity of 75%, are the least humid months.

What is the average humidity in September?

The average relative humidity in September is 75%.

What is the driest month?

The month with the least rainfall is September, when the rain falls for 14 days and typically collects 1.57" (40mm) of precipitation.

How many days does it rain in September?

In Fort Blackmore, in September, it is raining for 14 days, with typically 1.57" (40mm) of accumulated precipitation.

When it does not snow?

May through September are months without snowfall in Fort Blackmore.

Does it snow in September?

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

How many hours of daylight does Fort Blackmore have in September?

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

When is the sunrise / sunset in September?

On the first day of September, sunrise is at 7:01 am and sunset at 7:58 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 7:14 pm EDT.

How many hours of sunshine does Fort Blackmore have in September?

In September, the average sunshine duration is 8.7h.

What is the UV index intensity in September in Fort Blackmore?

The average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium health risk from unprotected exposure to 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
Fort Blackmore, VA

Average temperature in September - Fort Blackmore, VA
  • Average high temperature in September: 79.5°F

The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is January (42.1°F).

  • Average low temperature in September: 56.3°F

The month with the highest average low temperature is July (61.9°F).
The coldest month (with the lowest average low temperature) is January (27.1°F).

Average pressure in September
Fort Blackmore, VA

Average pressure in September - Fort Blackmore, 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
Fort Blackmore, VA

Average wind speed in September - Fort Blackmore, VA
  • Average wind speed in September: 4mph

The windiest month (with the highest average wind speed) is April (6.5mph).
The calmest month (with the lowest average wind speed) is August (3.8mph).

Average humidity in September
Fort Blackmore, VA

Average humidity in September - Fort Blackmore, VA
  • Average humidity in September: 75%

The months with the highest relative humidity are February and December (79%).
The months with the lowest relative humidity are June, July, August, September and November (75%).

Average rainfall in September
Fort Blackmore, VA

Average rainfall in September - Fort Blackmore, VA
  • Average rainfall in September: 1.57"

The wettest month (with the highest rainfall) is February (3.82").
The driest month (with the least rainfall) is September (1.57").

Average rainfall days in September
Fort Blackmore, VA

Average rainfall days in September - Fort Blackmore, VA
  • Average rainfall days in September: 14 days

The month with the highest number of rainy days is July (19.8 days).
The month with the least rainy days is November (11.6 days).

Average snowfall in September
Fort Blackmore, VA

Average snowfall in September - Fort Blackmore, VA
  • Average snowfall in September: 0"

The month with the highest snowfall is December (3.5").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in September
Fort Blackmore, VA

Average snowfall days in September - Fort Blackmore, VA
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (9.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Fort Blackmore, VA

Average daylight in September / Average sunshine in September - Fort Blackmore, 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 4min

The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 48min).

Average sunshine days in September
Fort Blackmore, VA

Average sunshine days in September - Fort Blackmore, VA
  • Average sunshine days in September: 13.2 days

The months with the most sunshine days are October and November (16.3 days).
The month with the least sunshine days is February (9.1 days).

Average UV index in September
Fort Blackmore, VA

Average UV index in September - Fort Blackmore, 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 and December (UV index 2).

Average cloud cover in September
Fort Blackmore, VA

Average cloud cover in September - Fort Blackmore, VA
  • Average cloud cover in September: 31

The month with the most cloud cover is February (Cloud cover 53).
The month with the least cloud cover is August (Cloud cover 30).

Average visibility in September
Fort Blackmore, VA

Average visibility in September - Fort Blackmore, VA
  • Average visibility in September: 6mi

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

Fort Blackmore, Virginia, USA

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