September weather forecast and climate
Allsop, AL

September, the first month of the autumn, in Allsop, is also a moderately hot month, with average temperature ranging between max 83.5°F (28.6°C) and min 63.3°F (17.4°C).

Temperature

In September, the average high-temperature is practically the same as in August - a moderately hot 83.5°F (28.6°C). The average low-temperature, in Allsop, is 63.3°F (17.4°C).

Heat index

The average heat index in September is appraised at a tropical 90.9°F (32.7°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 'real feel', 'apparent temperature', 'feels like', or 'felt air temperature', combines air temperature and relative humidity to represent a human perceived temperature equivalent. This effect is individual, with diverse people perceiving weather differently for numerous reasons (differences in body mass, height, and shape, pregnancy, metabolic differences), and activity. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. 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

The average relative humidity in September is 75%.

Rainfall

In September, in Allsop, the rain falls for 11.5 days. Throughout September, 1.54" (39mm) of precipitation is accumulated. In Allsop, Alabama, during the entire year, the rain falls for 154.5 days and collects up to 25.04" (636mm) of precipitation.

Snowfall

April through November are months without snowfall in Allsop.

Daylight

In September, the average length of the day is 12.4h.

Sunshine

The average sunshine in September is 8.5h.

UV index

The average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from the exposure to the Sun's UV rays for the average person.
Note: In September, the average maximum UV index of 5 translate into the following recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. 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 Allsop?

In Allsop, Alabama, in September, the average high-temperature is 83.5°F (28.6°C), and the average low-temperature is 63.3°F (17.4°C). In September, the average heat index (a.k.a. 'feels like', 'apparent temperature'), that takes the relative humidity and factores it into the air temperature reading, is estimated at 90.9°F (32.7°C).

What is the average humidity in September in Allsop?

In September, the average relative humidity is 75%.

How many days does it rain in September in Allsop?

In Allsop, during September, the rain falls for 11.5 days and regularly aggregates up to 1.54" (39mm) of precipitation.

When it does not snow in Allsop?

April through November are months without snowfall in Allsop.

What is the average length of the day in September in Allsop?

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

How many hours of sunshine does Allsop have in September?

In Allsop, the average sunshine in September is 8.5h.

How high is the UV index in September in Allsop?

The average daily maximum UV index in September in Allsop, Alabama, is 5. A UV Index estimate of 3 to 5 represents a medium health risk from the exposure to the Sun's UV rays.
Average temperature in September - Allsop, AL
  • Average high temperature in September: 83.5°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 (49.8°F).

  • Average low temperature in September: 63.3°F

The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (33.8°F).

Average pressure in September - Allsop, AL
  • Average pressure in September: 30.02"

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 - Allsop, AL
  • Average wind speed in September: 4.5mph

The windiest month (with the highest average wind speed) is February (7.2mph).
The calmest month (with the lowest average wind speed) is August (4mph).

Average humidity in September - Allsop, AL
  • Average humidity in September: 75%

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

Average rainfall in September - Allsop, AL
  • Average rainfall in September: 1.54"

The wettest month (with the highest rainfall) is August (2.56").
The driest month (with the least rainfall) is October (1.38").

Average rainfall days in September - Allsop, AL
  • Average rainfall days in September: 11.5 days

The month with the highest number of rainy days is July (20.1 days).
The month with the least rainy days is November (7.9 days).

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

The month with the highest snowfall is January (0.55").
Months with the least snowfall are April, May, June, July, August, September, October and November (0").

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

The month with the highest number of snowfall days is February (1.5 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 - Allsop, AL
  • Average daylight in September: 12.4h

The month with the longest days is June (Average daylight: 14.4h).
The month with the shortest days is December (Average daylight: 9.9h).

  • Average sunshine in September: 8.5h

Months with the most sunshine are June and July (Average sunshine: 10.6h).
The month with the least sunshine is February (Average sunshine: 4.8h).

Average sunshine days in September - Allsop, AL
  • Average sunshine days in September: 16.4 days

Months with the most sunshine days are October and November (20.1 days).
The month with the least sunshine days is July (8.9 days).

Average UV index in September - Allsop, AL
  • Average UV index in September: 5

Months with the highest UV index are May, June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 2).

Average cloud cover in September - Allsop, AL
  • Average cloud cover in September: 31

The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is June (Cloud cover 30).

Average visibility in September - Allsop, AL
  • Average visibility in September: 6mi

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