September weather forecast and climate
Cloverdale Heights, AL

The first month of the autumn, September, is also a moderately hot month in Cloverdale Heights, Alabama, with average temperature fluctuating between 63.5°F (17.5°C) and 82.8°F (28.2°C).

Temperature

In Cloverdale Heights, Alabama, the average high-temperature is essentially the same as in August - a warm 82.8°F (28.2°C). In Cloverdale Heights, in September, the average low-temperature is 63.5°F (17.5°C).

Heat index

The average heat index in September is estimated at a hot 88.9°F (31.6°C). Constant exposure and activity lead to possible fatigue. Prolonged exercise may result in heat cramps.
Note that heat index values are valued for light wind and location in the shade. With the exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature', 'feels like', 'felt air temperature', or 'real feel', is a measure that combines both air temperature and relative humidity into a single value that indicates how hot the weather feels. Additional factors like pregnancy, metabolic differences, clothing, and activity influence one's weather impression. 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 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 74%.

Rainfall

In Cloverdale Heights, it is raining for 14.2 days, with typically 2.68" (68mm) of accumulated precipitation. Throughout the year, in Cloverdale Heights, Alabama, there are 178.6 rainfall days, and 41.26" (1048mm) of precipitation is accumulated.

Snowfall

In Cloverdale Heights snow does not fall in April through October.

Daylight

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

Sunshine

In September, the average sunshine is 8.9h.

UV index

In Cloverdale Heights, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to the Sun's UV rays for average individuals.
Note: In September, the average maximum UV index of 5 translate into the following recommendations:
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. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.

What is the temperature in September in Cloverdale Heights?

In Cloverdale Heights, Alabama, in September, the average high-temperature is 82.8°F (28.2°C), and the average low-temperature is 63.5°F (17.5°C). The average heat index (a.k.a. 'felt air temperature', 'real feel'), that factores the actual air temperature with the relative humidity, in September is estimated at 88.9°F (31.6°C).

What is the average humidity in September in Cloverdale Heights?

The average relative humidity in September in Cloverdale Heights is 74%.

How many days does it rain in September in Cloverdale Heights?

In Cloverdale Heights, during September, the rain falls for 14.2 days and regularly aggregates up to 2.68" (68mm) of precipitation.

When it does not snow in Cloverdale Heights?

In Cloverdale Heights, Alabama, snow does not fall in April through October.

What is the average length of the day in September in Cloverdale Heights?

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

How many hours of sunshine does Cloverdale Heights have in September?

In Cloverdale Heights, the average sunshine in September is 8.9h.

What is the UV index reading in September in Cloverdale Heights?

In Cloverdale Heights, Alabama, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium hazard to health from unsafe exposure to the Sun's UV rays.
Average temperature in September - Cloverdale Heights, AL
  • Average high temperature in September: 82.8°F

The warmest month (with the highest average high temperature) is July (88.7°F).
The month with the lowest average high temperature is January (47.7°F).

  • Average low temperature in September: 63.5°F

The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (33.1°F).

Average pressure in September - Cloverdale Heights, 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 (29.97").

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

The windiest month (with the highest average wind speed) is February (8.3mph).
The calmest month (with the lowest average wind speed) is July (4.8mph).

Average humidity in September - Cloverdale Heights, AL
  • Average humidity in September: 74%

Months with the highest relative humidity are March and December (79%).
The month with the lowest relative humidity is October (72%).

Average rainfall in September - Cloverdale Heights, AL
  • Average rainfall in September: 2.68"

The wettest month (with the highest rainfall) is February (4.53").
The driest month (with the least rainfall) is November (2.56").

Average rainfall days in September - Cloverdale Heights, AL
  • Average rainfall days in September: 14.2 days

The month with the highest number of rainy days is July (19.8 days).
The month with the least rainy days is November (10.5 days).

Average snowfall in September - Cloverdale Heights, AL
  • Average snowfall in September: 0"

The month with the highest snowfall is February (0.71").
Months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in September - Cloverdale Heights, AL
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (2.4 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 - Cloverdale Heights, AL
  • Average daylight in September: 12.4h

The month with the longest days is June (Average daylight: 14.5h).
The month with the shortest days is December (Average daylight: 9.9h).

  • Average sunshine in September: 8.9h

Months with the most sunshine are June and July (Average sunshine: 10.5h).
Months with the least sunshine are February and December (Average sunshine: 4.7).

Average sunshine days in September - Cloverdale Heights, AL
  • Average sunshine days in September: 14.2 days

Months with the most sunshine days are October and November (17.6 days).
The month with the least sunshine days is July (9.9 days).

Average UV index in September - Cloverdale Heights, 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 - Cloverdale Heights, AL
  • Average cloud cover in September: 30

Months with the most cloud cover are February and December (Cloud cover 50).
The month with the least cloud cover is June (Cloud cover 29).

Average visibility in September - Cloverdale Heights, AL
  • Average visibility in September: 6mi

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