September weather forecast and climate
Grant, AL

Weather in September

The first month of the autumn, September, is also a moderately hot month in Grant, Alabama, with average temperature ranging between max 82.4°F (28°C) and min 62.6°F (17°C).

Temperature

In September, the average high-temperature is almost the same as in August - a moderately hot 82.4°F (28°C). The average low-temperature, in Grant, is 62.6°F (17°C).

Heat index

The average heat index in September is calculated to a hot 88.5°F (31.4°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 'apparent temperature', 'feels like', 'real feel', or 'felt air temperature', is a measure of how hot it feels when the actual air humidity is factored in. Additional factors like activity, wind, clothing, and pregnancy affect individual temperature impact. 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

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

Rainfall

In Grant, during September, the rain falls for 14.5 days and regularly aggregates up to 2.48" (63mm) of precipitation. Throughout the year, in Grant, there are 177 rainfall days, and 42.36" (1076mm) of precipitation is accumulated.

Snowfall

April through October are months without snowfall in Grant.

Daylight

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

Sunshine

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

UV index

In September, the average daily maximum UV index in Grant, Alabama, is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to the UV radiation for average individuals.
Note: The daily maximum UV index of 5 interpret into the following advice:
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.
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FAQ

What is the temperature in September in Grant?

The average high-temperature, in September, in Grant, Alabama, is 82.4°F (28°C), while the average low-temperature is 62.6°F (17°C). In September, the average heat index (a.k.a. 'apparent temperature', 'real feel'), that combines air temperature and relative humidity, is calculated to 88.5°F (31.4°C).

What is the average humidity in September in Grant?

The average relative humidity in September in Grant is 75%.

How many days does it rain in September in Grant?

In Grant, Alabama, in September, it is raining for 14.5 days, with typically 2.48" (63mm) of accumulated precipitation.

When it does not snow in Grant?

April through October are months without snowfall in Grant.

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

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

How many hours of sunshine does Grant have in September?

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

What is the UV index intensity in September in Grant?

The average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a moderate health threat from unsafe exposure to the Sun's UV rays.

Average temperature in September
Grant, AL

Average temperature in September - Grant, AL
  • Average high temperature in September: 82.4°F

The warmest month (with the highest average high temperature) is July (88.5°F).
The month with the lowest average high temperature is January (47.3°F).

  • Average low temperature in September: 62.6°F

The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (33.1°F).

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Average pressure in September
Grant, AL

Average pressure in September - Grant, 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").

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Average wind speed in September
Grant, AL

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

The windiest months (with the highest average wind speed) are January and February (7.6mph).
The calmest months (with the lowest average wind speed) are July and August (4.3mph).

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Average humidity in September
Grant, AL

Average humidity in September - Grant, 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 (74%).

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Average rainfall in September
Grant, AL

Average rainfall in September - Grant, AL
  • Average rainfall in September: 2.48"

The wettest month (with the highest rainfall) is December (4.53").
The driest month (with the least rainfall) is November (2.44").

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Average rainfall days in September
Grant, AL

Average rainfall days in September - Grant, AL
  • Average rainfall days in September: 14.5 days

The month with the highest number of rainy days is July (19.8 days).
The month with the least rainy days is November (9.6 days).

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Average snowfall in September
Grant, AL

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

The month with the highest snowfall is January (0.83").
Months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in September
Grant, AL

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

The month with the highest number of snowfall days is February (2 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
Grant, AL

Average daylight in September / Average sunshine in September - Grant, 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: 4.5h).

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Average sunshine days in September
Grant, AL

Average sunshine days in September - Grant, AL
  • Average sunshine days in September: 13.8 days

The month with the most sunshine days is October (19.3 days).
The month with the least sunshine days is August (9.4 days).

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Average UV index in September
Grant, AL

Average UV index in September - Grant, 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).

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Average cloud cover in September
Grant, AL

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

The month with the most cloud cover is February (Cloud cover 51).
Months with the least cloud cover are June and September (Cloud cover 31).

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Average visibility in September
Grant, AL

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

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

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