September weather forecast and climate
Hepsidam, AL

Weather in September

September, the first month of the autumn, in Hepsidam, is also a moderately hot month, with average temperature ranging between min 63.9°F (17.7°C) and max 83.1°F (28.4°C).

Temperature

In September, the average high-temperature is relatively the same as in August - a moderately hot 83.1°F (28.4°C). The average low-temperature, in Hepsidam, is 63.9°F (17.7°C).

Heat index

The average heat index in September is appraised at a hot 89.8°F (32.1°C). Take extra precautions, as heat cramps and heat exhaustion are possible. Sustained activity may result in heatstroke.
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 'feels like', 'real feel', 'apparent temperature', or 'felt air temperature', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. This effect is subjective, depending on the activity and individual's heat perception influenced by various reasons (wind, pregnancy, clothing). 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 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

The average relative humidity in Hepsidam is 74%.

Rainfall

In Hepsidam, during September, the rain falls for 14.3 days and regularly aggregates up to 2.68" (68mm) of precipitation. In Hepsidam, during the entire year, the rain falls for 176 days and collects up to 42.83" (1088mm) of precipitation.

Snowfall

In Hepsidam snow does not fall in April through October.

Daylight

The average length of the day in Hepsidam is 12.4h.

Sunshine

In September, the average sunshine is 8.8h.

UV index

In September, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to the Sun's UV rays for ordinary 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 Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the temperature in September in Hepsidam?

In September, in Hepsidam, Alabama, the average high-temperature is 83.1°F (28.4°C), and the average low-temperature is 63.9°F (17.7°C). In September, the average heat index (a.k.a. 'real feel', 'apparent temperature'), that takes the relative humidity and factores it into the air temperature reading, is calculated to 89.8°F (32.1°C).

What is the average humidity in September in Hepsidam?

In Hepsidam, Alabama, the average relative humidity in September is 74%.

How many days does it rain in September in Hepsidam?

In Hepsidam, Alabama, in September, during 14.3 rainfall days, 2.68" (68mm) of precipitation is typically accumulated.

When it does not snow in Hepsidam?

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

How many hours of daylight does Hepsidam have in September?

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

How long on average sun shines in September in Hepsidam?

The average sunshine in September in Hepsidam is 8.8h.

What is the UV index intensity in September in Hepsidam?

In Hepsidam, 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 the exposure to the Sun's UV radiation.

Average temperature in September
Hepsidam, AL

Average temperature in September - Hepsidam, AL
  • Average high temperature in September: 83.1°F

The warmest month (with the highest average high temperature) is July (88.9°F).
The month with the lowest average high temperature is January (48.2°F).

  • Average low temperature in September: 63.9°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 (33.4°F).

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Average pressure in September
Hepsidam, AL

Average pressure in September - Hepsidam, 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").

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Average wind speed in September
Hepsidam, AL

Average wind speed in September - Hepsidam, AL
  • Average wind speed in September: 5.4mph

The windiest month (with the highest average wind speed) is February (8.5mph).
The calmest month (with the lowest average wind speed) is July (4.9mph).

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Average humidity in September
Hepsidam, AL

Average humidity in September - Hepsidam, AL
  • Average humidity in September: 74%

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

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Average rainfall in September
Hepsidam, AL

Average rainfall in September - Hepsidam, AL
  • Average rainfall in September: 2.68"

The wettest month (with the highest rainfall) is December (4.49").
The driest month (with the least rainfall) is November (2.36").

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Average rainfall days in September
Hepsidam, AL

Average rainfall days in September - Hepsidam, AL
  • Average rainfall days in September: 14.3 days

The month with the highest number of rainy days is July (19.8 days).
The month with the least rainy days is November (10.6 days).

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Average snowfall in September
Hepsidam, AL

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

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

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Average snowfall days in September
Hepsidam, AL

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

The month with the highest number of snowfall days is February (2.1 days).
Months with the least snowfall days are May, June, July, August, September and October (0 days).

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

Average daylight in September / Average sunshine in September - Hepsidam, 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: 8.8h

Months with the most sunshine are June and July (Average sunshine: 10.3h).
The month with the least sunshine is February (Average sunshine: 4.5h).

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Average sunshine days in September
Hepsidam, AL

Average sunshine days in September - Hepsidam, AL
  • Average sunshine days in September: 14.2 days

The month with the most sunshine days is October (18.7 days).
The month with the least sunshine days is July (9.3 days).

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Average UV index in September
Hepsidam, AL

Average UV index in September - Hepsidam, 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).

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Average cloud cover in September
Hepsidam, AL

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

The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is June (Cloud cover 30).

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Average visibility in September
Hepsidam, AL

Average visibility in September - Hepsidam, 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).

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