September weather forecast
Radford, AL

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Weather in September

The first month of the autumn, September, is still a hot month in Radford, Alabama, with an average temperature fluctuating between 67.1°F (19.5°C) and 87.1°F (30.6°C).

Temperature

Radford sees the arrival of September with an average high-temperature of a still hot 87.1°F (30.6°C), indicating a subtle variation from August. Radford records an average nighttime low-temperature of 67.1°F (19.5°C) throughout September.

Heat index

In September, the heat index is calculated to be a torrid 98.6°F (37°C). Exercise increased caution, heat cramps and heat exhaustion are potential hazards. Continuous activity could lead to heatstroke.
When considering the heat index, it's pivotal to note it is for shade and mild wind conditions. Exposure to the direct sun could elevate the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', arises from combining readings of air temperature and relative moisture content. The influence of weather is personal, differing among a variety of individuals based on differences in body mass, stature, and the level of physical activity. Given direct exposure to sunlight, one might experience a rise in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Children often fail to understand the importance of rest and rehydration. Thirst is a late manifestation of dehydration - hence, it is crucial to stay hydrated, especially during ongoing physical activities.
Perspiration and the resultant sweat evaporation are the body's natural thermostat, helping regulate temperature. Under high air temperature coupled with high humidity (high heat index), the body's perspiration is reduced, intensifying the sensation of heat. Accumulating heat beyond the body's cooling measures leads to rising temperatures and potential ailments.

Humidity

In Radford, the average relative humidity in September is 71%.

Rainfall

September is the month with the least rainfall. Rain falls for 13.4 days and accumulates 1.97" (50mm) of precipitation.

Snowfall

In Radford, snow does not fall in March through October.

Daylight

In September, the average length of the day is 12h and 22min.
On the first day of the month, sunrise is at 6:24 am and sunset at 7:13 pm. On the last day of September, sunrise is at 6:42 am and sunset at 6:34 pm CDT.

Sunshine

In Radford, the average sunshine in September is 9.2h.

UV index

The average daily maximum UV index in September is 6. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: A maximum UV index of 6 in September translates into the following recommendations:
Dodge overexposure. Fair-skinned people can get singed in less than 20 minutes. Stay out of direct sunlight between 10 a.m. and 4 p.m., when UV radiation is most intense, and remember that not all shade structures provide complete protection. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.

Frequently asked questions

How hot does it get in September?

An average high-temperature, in September, in Radford, is 87.1°F (30.6°C) and the average low-temperature is 67.1°F (19.5°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 calculated to be 98.6°F (37°C).

What is the average humidity in September?

In Radford, the average relative humidity in September is 71%.

What is the driest month?

The month with the least rainfall is September, when the rain falls for 13.4 days and typically collects 1.97" (50mm) of precipitation.

How much does it rain in September?

In Radford, during September, the rain falls for 13.4 days and regularly aggregates up to 1.97" (50mm) of precipitation.

When it does not snow?

In Radford, snow does not fall in March through October.

What is the average length of the day in September?

In Radford, the average day length in September is 12h and 22min.

When is the sunrise / sunset in September?

On the first day of September in Radford, sunrise is at 6:24 am and sunset at 7:13 pm. On the last day of the month, sunrise is at 6:42 am and sunset at 6:34 pm CDT.

How many hours of sunshine does Radford have in September?

The average sunshine duration in September is 9.2h.

What is the UV index intensity in September?

The average daily maximum UV index in September is 6. A UV Index value of 6 to 7 symbolizes a high health risk 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
Radford, AL

Average temperature in September - Radford, AL
  • Average high temperature in September: 87.1°F

The warmest month (with the highest average high temperature) is July (91.9°F).
The month with the lowest average high temperature is January (53.8°F).

  • Average low temperature in September: 67.1°F

The month with the highest average low temperature is August (72°F).
The coldest month (with the lowest average low temperature) is January (38.1°F).

Average pressure in September
Radford, AL

Average pressure in September - Radford, AL
  • Average pressure in September: 29.99"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The months with the lowest atmospheric pressure are June and August (29.97"Hg).

Average wind speed in September
Radford, AL

Average wind speed in September - Radford, AL
  • Average wind speed in September: 5.3mph

The windiest month (with the highest average wind speed) is February (7.4mph).
The calmest months (with the lowest average wind speed) are July and August (4.7mph).

Average humidity in September
Radford, AL

Average humidity in September - Radford, AL
  • Average humidity in September: 71%

The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is October (69%).

Average rainfall in September
Radford, AL

Average rainfall in September - Radford, AL
  • Average rainfall in September: 1.97"

The wettest month (with the highest rainfall) is April (3.94").
The driest month (with the least rainfall) is September (1.97").

Average rainfall days in September
Radford, AL

Average rainfall days in September - Radford, AL
  • Average rainfall days in September: 13.4 days

The month with the highest number of rainy days is July (21.3 days).
The month with the least rainy days is November (8.3 days).

Average snowfall in September
Radford, AL

Average snowfall in September - Radford, AL
  • Average snowfall in September: 0"

The month with the highest snowfall is January (0.39").
The months with the least snowfall are March, April, May, June, July, August, September and October (0").

Average snowfall days in September
Radford, AL

Average snowfall days in September - Radford, AL
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (1.1 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

Average daylight in September /
Average sunshine in September
Radford, AL

Average daylight in September / Average sunshine in September - Radford, AL
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 6min).

  • Average sunshine in September: 9h and 1min

The month with the most sunshine is June (Average sunshine: 10h and 36min).
The months with the least sunshine are February and December (Average sunshine: 5h and 0min).

Average sunshine days in September
Radford, AL

Average sunshine days in September - Radford, AL
  • Average sunshine days in September: 14.1 days

The month with the most sunshine days is October (20.8 days).
The month with the least sunshine days is July (8.1 days).

Average UV index in September
Radford, AL

Average UV index in September - Radford, AL
  • Average UV index in September: 6

The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 3).

Average cloud cover in September
Radford, AL

Average cloud cover in September - Radford, AL
  • Average cloud cover in September: 29

The month with the most cloud cover is December (Cloud cover 47).
The months with the least cloud cover are September and October (Cloud cover 29).

Average visibility in September
Radford, AL

Average visibility in September - Radford, AL
  • 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).

Radford, Alabama, USA

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