September weather forecast
Gravelly Springs, AL

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Weather in September

September, the first month of the autumn in Gravelly Springs, is still a warm month, with an average temperature varying between 63.7°F (17.6°C) and 83.3°F (28.5°C).

Temperature

Gravelly Springs's shift into September sets the average high-temperature at a moderately hot 83.3°F (28.5°C), a figure that deviates only slightly from August's 88.3°F (31.3°C). In Gravelly Springs, the September nights cool down to an average low of 63.7°F (17.6°C).

Heat index

September's heat index is evaluated at a hot 89.6°F (32°C). Long-lasting exposure and activity potentially induce a sense of weariness, with the risk of heat cramps.
Research indicates the heat index considers values in shaded locales and with light winds. The heat index could see an increase by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is a fusion of air temperature and moisture levels to demonstrate the sensation of heat. An individual's perception of weather can be influenced by a variety of factors including metabolic differences, being pregnant, and their degree of physical exertion. Being aware that direct sunlight can impact the felt heat might mean an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Children commonly overlook the importance of rest and fluid replenishment. Thirst, being a delayed sign of dehydration, emphasizes the need to keep hydration up, especially during lengthy physical activities.

Humidity

The average relative humidity in September is 74%.

Rainfall

In Gravelly Springs, in September, it is raining for 12.6 days, with typically 2.4" (61mm) of accumulated precipitation. Throughout the year, there are 170.1 rainfall days, and 40.12" (1019mm) of precipitation is accumulated.

Snowfall

May through October are months without snowfall.

Daylight

In Gravelly Springs, the average length of the day in September is 12h and 23min.
On the first day of September, sunrise is at 6:24 am and sunset at 7:17 pm. On the last day of the month, sunrise is at 6:46 am and sunset at 6:36 pm CDT.

Sunshine

In September, the average sunshine is 8.9h.

UV index

In September, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: A maximum high UV index of 5 in September translates into the following recommendations:
Put precautions into practice - Guidance to elude sunburn is provided. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Updated: Aug 27, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is it in September?

The high-temperature during September is 83.3°F (28.5°C) and the low-temperature is 63.7°F (17.6°C). The average heat index (a.k.a. 'real feel', 'feels like'), which factors the actual air temperature with the relative humidity, in September is evaluated at 89.6°F (32°C).

What is the average humidity in September?

In Gravelly Springs, the average relative humidity in September is 74%.

How much does it rain in Gravelly Springs in September?

In Gravelly Springs, in September, during 12.6 rainfall days, 2.4" (61mm) of precipitation is typically accumulated.

When it does not snow?

May through October are months without snowfall.

How many hours of daylight does Gravelly Springs have in September?

In September, the average day length is 12h and 23min.

When are sunrise and sunset in September?

In September, on the first day of the month, sunrise is at 6:24 am and sunset at 7:17 pm. On the last day of the month, sunrise is at 6:46 am and sunset at 6:36 pm CDT.

How many hours of sunshine does Gravelly Springs have in September?

In September, the average sunshine duration is 8.9h.

What is the UV index intensity in September?

The average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium health risk from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Gravelly Springs, AL

Average temperature in September - Gravelly Springs, AL
  • Average high temperature in September: 83.3°F

The warmest month (with the highest average high temperature) is July (89.4°F).
The month with the lowest average high temperature is January (47.7°F).

  • Average low temperature in September: 63.7°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
Gravelly Springs, AL

Average pressure in September - Gravelly Springs, AL
  • Average pressure in September: 30.01"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).

Average wind speed in September
Gravelly Springs, AL

Average wind speed in September - Gravelly Springs, AL
  • Average wind speed in September: 5.2mph

The windiest month (with the highest average wind speed) is February (7.9mph).
The calmest month (with the lowest average wind speed) is July (4.6mph).

Average humidity in September
Gravelly Springs, AL

Average humidity in September - Gravelly Springs, AL
  • Average humidity in September: 74%

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

Average rainfall in September
Gravelly Springs, AL

Average rainfall in September - Gravelly Springs, AL
  • Average rainfall in September: 2.4"

The wettest month (with the highest rainfall) is February (4.37").
The driest month (with the least rainfall) is November (2.28").

Average rainfall days in September
Gravelly Springs, AL

Average rainfall days in September - Gravelly Springs, AL
  • Average rainfall days in September: 12.6 days

The month with the highest number of rainy days is July (19.1 days).
The month with the least rainy days is November (9.7 days).

Average snowfall in September
Gravelly Springs, AL

Average snowfall in September - Gravelly Springs, AL
  • Average snowfall in September: 0"

The month with the highest snowfall is February (0.55").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in September
Gravelly Springs, AL

Average snowfall days in September - Gravelly Springs, AL
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (2.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in September /
Average sunshine in September
Gravelly Springs, AL

Average daylight in September / Average sunshine in September - Gravelly Springs, AL
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 54min).

  • Average sunshine in September: 8h and 5min

The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 4h and 30min).

Average sunshine days in September
Gravelly Springs, AL

Average sunshine days in September - Gravelly Springs, AL
  • Average sunshine days in September: 16.3 days

The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is July (9.8 days).

Average UV index in September
Gravelly Springs, AL

Average UV index in September - Gravelly Springs, AL
  • Average UV index in September: 5

The 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
Gravelly Springs, AL

Average cloud cover in September - Gravelly Springs, AL
  • Average cloud cover in September: 31

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

Average visibility in September
Gravelly Springs, AL

Average visibility in September - Gravelly Springs, AL
  • Average visibility in September: 6mi

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

Gravelly Springs, Alabama, USA

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