September weather forecast and climate
Harkins Crossroads, AL

September, the first month of the autumn, in Harkins Crossroads, is also a moderately hot month, with average temperature varying between 64.2°F (17.9°C) and 84.2°F (29°C).

Temperature

In Harkins Crossroads, the average high-temperature in September is relatively the same as in August - a moderately hot 84.2°F (29°C). In September, the average low-temperature is 64.2°F (17.9°C).

Heat index

In September, the average heat index is appraised at a hot 92.3°F (33.5°C). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature', 'felt air temperature', 'feels like', or 'real feel', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. Additional factors like activity, differences in body mass, height, and shape, metabolic differences, and clothing affect individual temperature impact. Be aware that direct exposure to sunlight increases heat impact, and may raise the heat index additionally, by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.

Humidity

In September, the average relative humidity is 74%.

Rainfall

In Harkins Crossroads, it is raining for 14.5 days, with typically 2.6" (66mm) of accumulated precipitation. Throughout the year, in Harkins Crossroads, there are 184.4 rainfall days, and 42.17" (1071mm) of precipitation is accumulated.

Snowfall

April through November are months without snowfall.

Daylight

In Harkins Crossroads, Alabama, the average length of the day in September is 12.4h.

Sunshine

In Harkins Crossroads, the average sunshine is 8.6h.

UV index

In September, the average daily maximum UV index in Harkins Crossroads is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from the exposure to the Sun's UV rays for average individuals.
Note: The average daily UV index of 5 in September transform into the following instructions:
Take precautions - Protection against sun damage is advised. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.

What is the temperature in September in Harkins Crossroads?

The average high-temperature, in September, in Harkins Crossroads, is 84.2°F (29°C), while the average low-temperature is 64.2°F (17.9°C). In September, the average heat index (a.k.a. 'real feel', 'felt air temperature'), that combines relative humidity and air temperature, is evaluated at 92.3°F (33.5°C).

What is the average humidity in September in Harkins Crossroads?

The average relative humidity in September is 74%.

How much does it rain in Harkins Crossroads in September?

In September, the rain falls for 14.5 days. Throughout September, 2.6" (66mm) of precipitation is accumulated.

When it does not snow in Harkins Crossroads?

In Harkins Crossroads, Alabama, snow does not fall in April through November.

What is the average length of the day in September in Harkins Crossroads?

The average length of the day in September in Harkins Crossroads is 12.4h.

How many hours of sunshine does Harkins Crossroads have in September?

In September, the average sunshine in Harkins Crossroads, Alabama, is 8.6h.

What is the UV index reading in September in Harkins Crossroads?

In September, the average daily maximum UV index in Harkins Crossroads, Alabama, is 5. A UV Index estimate of 3 to 5 represents a medium hazard to health from the exposure to the Sun's UV radiation.
Average temperature in September - Harkins Crossroads, AL
  • Average high temperature in September: 84.2°F

The warmest month (with the highest average high temperature) is July (89.2°F).
The month with the lowest average high temperature is January (50.7°F).

  • Average low temperature in September: 64.2°F

Months with the highest average low temperature are July and August (69.4°F).
The coldest month (with the lowest average low temperature) is January (35.2°F).

Average pressure in September - Harkins Crossroads, AL
  • Average pressure in September: 30.01"

The month with the highest atmospheric pressure is January (30.17").
The month with the lowest atmospheric pressure is June (29.98").

Average wind speed in September - Harkins Crossroads, AL
  • Average wind speed in September: 4.8mph

The windiest months (with the highest average wind speed) are January and February (7.5mph).
The calmest months (with the lowest average wind speed) are July and August (4.3mph).

Average humidity in September - Harkins Crossroads, AL
  • Average humidity in September: 74%

The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is October (73%).

Average rainfall in September - Harkins Crossroads, AL
  • Average rainfall in September: 2.6"

The wettest month (with the highest rainfall) is August (4.37").
The driest month (with the least rainfall) is October (2.09").

Average rainfall days in September - Harkins Crossroads, AL
  • Average rainfall days in September: 14.5 days

The month with the highest number of rainy days is July (24 days).
The month with the least rainy days is November (8.3 days).

Average snowfall in September - Harkins Crossroads, AL
  • Average snowfall in September: 0"

The month with the highest snowfall is December (0.67").
Months with the least snowfall are April, May, June, July, August, September, October and November (0").

Average snowfall days in September - Harkins Crossroads, AL
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (1.4 days).
Months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in September / Average sunshine in September - Harkins Crossroads, AL
  • Average daylight in September: 12.4h

The month with the longest days is June (Average daylight: 14.3h).
The month with the shortest days is December (Average daylight: 10h).

  • Average sunshine in September: 8.6h

The month with the most sunshine is June (Average sunshine: 10.5h).
Months with the least sunshine are February and December (Average sunshine: 4.9).

Average sunshine days in September - Harkins Crossroads, AL
  • Average sunshine days in September: 13.1 days

Months with the most sunshine days are October and November (19.7 days).
The month with the least sunshine days is July (5.6 days).

Average UV index in September - Harkins Crossroads, AL
  • Average UV index in September: 5

Months with the highest UV index are May, June, July and August (UV index 6).
Months with the lowest UV index are January, February, November and December (UV index 3).

Average cloud cover in September - Harkins Crossroads, AL
  • Average cloud cover in September: 31

Months with the most cloud cover are February and December (Cloud cover 47).
Months with the least cloud cover are June, September and October (Cloud cover 31).

Average visibility in September - Harkins Crossroads, AL
  • Average visibility in September: 6mi

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