September weather forecast and climate
Cleveland, AL

September, the first month of the autumn, in Cleveland, is still a warm month, with average temperature ranging between min 63.7°F (17.6°C) and max 82.8°F (28.2°C).

Temperature

In September, the average high-temperature is relatively the same as in August - a warm 82.8°F (28.2°C). The average low-temperature, in September, is 63.7°F (17.6°C).

Heat index

The average heat index is estimated at a hot 89.2°F (31.8°C). Exhaustion is likely with prolonged exposure and activity. Sustaining activity may result in heat cramps.
Note that heat index values are valued for light wind and location in the shade. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like', 'real feel', 'felt air temperature', or 'apparent temperature', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. Additional factors like activity, clothing, differences in body mass, height, and shape, and wind 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. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.

Humidity

The average relative humidity in Cleveland is 75%.

Rainfall

In September, in Cleveland, the rain falls for 14.8 days. Throughout September, 2.64" (67mm) of precipitation is accumulated. In Cleveland, during the entire year, the rain falls for 177.4 days and collects up to 41.42" (1052mm) of precipitation.

Snowfall

April through October are months without snowfall.

Daylight

The average length of the day in Cleveland, Alabama, is 12.4h.

Sunshine

In September, the average sunshine in Cleveland is 8.6h.

UV index

In September, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from the exposure to the Sun's UV radiation for the ordinary person.
Note: The daily maximum UV index of 5 interpret into the following advice:
Take precautions - Protection against the skin and eye damage is obliged. 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 Cleveland?

The average high-temperature, in September, is 82.8°F (28.2°C), while the average low-temperature is 63.7°F (17.6°C). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), that represents influence of the relative humidity to air temperaure, in September is appraised at 89.2°F (31.8°C).

What is the average humidity in September in Cleveland?

In September, the average relative humidity in Cleveland is 75%.

How many days does it rain in September in Cleveland?

In Cleveland, Alabama, during September, the rain falls for 14.8 days and regularly aggregates up to 2.64" (67mm) of precipitation.

When it does not snow in Cleveland?

April through October are months without snowfall in Cleveland.

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

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

How long on average sun shines in September in Cleveland?

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

What is the UV index intensity in September in Cleveland?

In Cleveland, 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 unprotected exposure to the UV radiation.
Average temperature in September - Cleveland, 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 (48.9°F).

  • Average low temperature in September: 63.7°F

The month with the highest average low temperature is July (69.3°F).
The coldest month (with the lowest average low temperature) is January (34°F).

Average pressure in September - Cleveland, 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 - Cleveland, AL
  • Average wind speed in September: 5mph

The windiest months (with the highest average wind speed) are January, February and March (7.8mph).
The calmest months (with the lowest average wind speed) are July and August (4.5mph).

Average humidity in September - Cleveland, 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 - Cleveland, AL
  • Average rainfall in September: 2.64"

The wettest month (with the highest rainfall) is December (4.21").
The driest month (with the least rainfall) is October (2.32").

Average rainfall days in September - Cleveland, AL
  • Average rainfall days in September: 14.8 days

The month with the highest number of rainy days is July (20.9 days).
The month with the least rainy days is November (8.7 days).

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

The month with the highest snowfall is January (0.63").
Months with the least snowfall are April, May, June, July, August, September and October (0").

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

The month with the highest number of snowfall days is February (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 - Cleveland, 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: 8.6h

The month with the most sunshine is June (Average sunshine: 10.4h).
The month with the least sunshine is February (Average sunshine: 4.6h).

Average sunshine days in September - Cleveland, AL
  • Average sunshine days in September: 13.2 days

The month with the most sunshine days is November (20 days).
The month with the least sunshine days is July (8.4 days).

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

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

The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is September (Cloud cover 31).

Average visibility in September - Cleveland, 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).