September weather forecast
Oak Grove, AL

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Weather in September

September, the first month of the autumn in Oak Grove, is still a warm month, with temperature in the range of an average high of 84.7°F (29.3°C) and an average low of 65.3°F (18.5°C).

Temperature

Oak Grove observes a minor difference in average high-temperatures between August's 89.4°F (31.9°C) and September's 84.7°F (29.3°C). An average low-temperature of 65.3°F (18.5°C) is recorded in the month of September in Oak Grove.

Heat index

The average heat index in September is calculated to be a hot 93.2°F (34°C). Greater preventive actions are needed, heat exhaustion and heat cramps are likely. Persistent activity could provoke heatstroke.
The heat index's values are generally associated with conditions in shade and light breezes. The heat index could see an increase by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is derived by integrating air temperature with the existing relative humidity to express the perceived warmth. A person's impression of weather can be swayed by numerous aspects, among them metabolic variations, pregnancy, and activity levels. Should you be directly under the sun, anticipate a possible increase in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Children usually face more risks than adults as their ability to sweat is less. Additionally, their larger skin surface in relation to their petite bodies and higher heat output due to their activities increases their vulnerability.

Humidity

The average relative humidity in September is 74%.

Rainfall

The month with the least rainfall is September, when the rain falls for 9.2 days and typically collects 0.59" (15mm) of precipitation.

Snowfall

In Oak Grove, snow does not fall in March through October.

Daylight

The average length of the day in September is 12h and 22min.
On the first day of September, sunrise is at 6:20 am and sunset at 7:09 pm. On the last day of the month, sunrise is at 6:39 am and sunset at 6:30 pm CDT.

Sunshine

In Oak Grove, Alabama, the average sunshine in September is 8.7h.

UV index

In September, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the average person.
Note: A maximum high daily UV index of 5 during September translates into the following directions:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Updated: Aug 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is September in Oak Grove?

The high-temperature during September is 84.7°F (29.3°C) and the low-temperature is 65.3°F (18.5°C). In September, the average heat index (a.k.a. 'real feel', 'feels like'), which calculates the temperature value influenced by the moisture in the air, is calculated to be 93.2°F (34°C).

What is the average humidity in September?

In September, the average relative humidity is 74%.

What is the driest month?

September is the month with the least rainfall. Rain falls for 9.2 days and accumulates 0.59" (15mm) of precipitation.

How many days does it rain in September?

In Oak Grove, in September, during 9.2 rainfall days, 0.59" (15mm) of precipitation is typically accumulated.

When it does not snow?

In Oak Grove, snow does not fall in March through October.

What is the average length of the day in September?

The average day length in September is 12h and 22min.

What time are sunrise and sunset in September?

On the first day of September in Oak Grove, sunrise is at 6:20 am and sunset at 7:09 pm. On the last day of the month, sunrise is at 6:39 am and sunset at 6:30 pm CDT.

How many hours of sunshine does Oak Grove have in September?

In September, the average sunshine duration is 8.7h.

What is the UV index reading in September in Oak Grove?

The average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate vulnerability from exposure to the Sun's 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
Oak Grove, AL

Average temperature in September - Oak Grove, AL
  • Average high temperature in September: 84.7°F

The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is January (51.6°F).

  • Average low temperature in September: 65.3°F

The month with the highest average low temperature is July (69.8°F).
The coldest month (with the lowest average low temperature) is January (35.8°F).

Average pressure in September
Oak Grove, AL

Average pressure in September - Oak Grove, 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 (29.98"Hg).

Average wind speed in September
Oak Grove, AL

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

The windiest month (with the highest average wind speed) is February (7.5mph).
The calmest months (with the lowest average wind speed) are July and August (4.3mph).

Average humidity in September
Oak Grove, AL

Average humidity in September - Oak Grove, 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 (72%).

Average rainfall in September
Oak Grove, AL

Average rainfall in September - Oak Grove, AL
  • Average rainfall in September: 0.59"

The wettest month (with the highest rainfall) is August (1.57").
The driest month (with the least rainfall) is September (0.59").

Average rainfall days in September
Oak Grove, AL

Average rainfall days in September - Oak Grove, AL
  • Average rainfall days in September: 9.2 days

The month with the highest number of rainy days is July (17.1 days).
The month with the least rainy days is November (5.5 days).

Average snowfall in September
Oak Grove, AL

Average snowfall in September - Oak Grove, AL
  • Average snowfall in September: 0"

The months with the highest snowfall are January and December (0.12").
The months with the least snowfall are March, April, May, June, July, August, September and October (0").

Average snowfall days in September
Oak Grove, AL

Average snowfall days in September - Oak Grove, AL
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (0.8 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

Average daylight in September /
Average sunshine in September
Oak Grove, AL

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

The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).

  • Average sunshine in September: 8h and 4min

The months with the most sunshine are June and July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).

Average sunshine days in September
Oak Grove, AL

Average sunshine days in September - Oak Grove, AL
  • Average sunshine days in September: 17.9 days

The month with the most sunshine days is November (23.3 days).
The month with the least sunshine days is July (10.9 days).

Average UV index in September
Oak Grove, AL

Average UV index in September - Oak Grove, AL
  • Average UV index in September: 5

The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 3).

Average cloud cover in September
Oak Grove, AL

Average cloud cover in September - Oak Grove, AL
  • Average cloud cover in September: 31

The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is October (Cloud cover 30).

Average visibility in September
Oak Grove, AL

Average visibility in September - Oak Grove, AL
  • Average visibility in September: 6mi

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

Oak Grove, Alabama, USA

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