September weather forecast
Walnut Grove, AL

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Weather in September

September, the first month of the autumn in Walnut Grove, is still a warm month, with an average temperature fluctuating between 63.7°F (17.6°C) and 82.9°F (28.3°C).

Temperature

Walnut Grove's weather in September displays an average high-temperature of a warm 82.9°F (28.3°C), showing minor disparity from August's 87.6°F (30.9°C). During the month of September, the temperature falls to an average of 63.7°F (17.6°C).

Heat index

For most parts of September, the heat index is computed to be a hot 89.6°F (32°C). Enduring exposure and ongoing activity could cause a sense of fatigue and subsequent heat cramps.
When assessing, remember that heat index measurements are for light winds and shaded spots. Heat index values might soar by up to 15 Fahrenheit (8 Celsius) degrees with exposure to direct sunshine.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is a value derived by merging air temperature with the humidity to convey how the climate feels. Additional factors encompassing metabolic differences, the level of physical activity, and clothing can impact the individual's perception of temperature. Keep in mind that direct sunshine exposure can amplify the weather's effects, possibly increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Young ones often ignore the need to take a break and drink fluids. Thirst is a late-stage symptom of dehydration - hence, maintaining hydration, particularly during extended physical activities, is crucial.

Humidity

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

Rainfall

In Walnut Grove, during September, the rain falls for 15.5 days and regularly aggregates up to 2.8" (71mm) of precipitation. In Walnut Grove, during the entire year, the rain falls for 180.2 days and collects up to 42.24" (1073mm) of precipitation.

Snowfall

April through October are months without snowfall in Walnut Grove, Alabama.

Daylight

In September, the average length of the day is 12h and 22min.
On the first day of September, sunrise is at 6:19 am and sunset at 7:10 pm. On the last day of the month, sunrise is at 6:39 am and sunset at 6:30 pm CDT.

Sunshine

The average sunshine in September is 8.4h.

UV index

The average daily maximum UV index in September in Walnut Grove is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the average person.
Note: A maximum daily UV index of 5 during September morphs into the following directions:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
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Frequently asked questions

How hot does it get in Walnut Grove in September?

September temperatures in Walnut Grove vary between a high-temperature of 82.9°F (28.3°C) and a low-temperature of 63.7°F (17.6°C). In September, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which calculates the temperature value influenced by the moisture in the air, is computed to be 89.6°F (32°C).

What is the average humidity in September in Walnut Grove?

In September, the average relative humidity in Walnut Grove, Alabama, is 75%.

How much does it rain in Walnut Grove in September?

In Walnut Grove, in September, during 15.5 rainfall days, 2.8" (71mm) of precipitation is typically accumulated.

When it does not snow in Walnut Grove?

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

What is the average length of the day in September in Walnut Grove?

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

What time are sunrise and sunset in September in Walnut Grove?

On the first day of September, sunrise is at 6:19 am and sunset at 7:10 pm. On the last day of the month, sunrise is at 6:39 am and sunset at 6:30 pm CDT.

How long on average sun shines in September in Walnut Grove?

The average sunshine duration in September in Walnut Grove, Alabama, is 8.4h.

How high is the UV index in September in Walnut Grove?

In September, the average daily maximum UV index in Walnut Grove, Alabama, is 5. A UV Index value 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
Walnut Grove, AL

Average temperature in September - Walnut Grove, AL
  • Average high temperature in September: 82.9°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 (49.1°F).

  • Average low temperature in September: 63.7°F

The month with the highest average low temperature is July (69.1°F).
The coldest month (with the lowest average low temperature) is January (34°F).

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Average pressure in September
Walnut Grove, AL

Average pressure in September - Walnut Grove, AL
  • Average pressure in September: 30.02"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).

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Average wind speed in September
Walnut Grove, AL

Average wind speed in September - Walnut Grove, AL
  • Average wind speed in September: 5mph

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

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Average humidity in September
Walnut Grove, AL

Average humidity in September - Walnut Grove, 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%).

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Average rainfall in September
Walnut Grove, AL

Average rainfall in September - Walnut Grove, AL
  • Average rainfall in September: 2.8"

The wettest month (with the highest rainfall) is August (4.41").
The driest month (with the least rainfall) is October (2.4").

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Average rainfall days in September
Walnut Grove, AL

Average rainfall days in September - Walnut Grove, AL
  • Average rainfall days in September: 15.5 days

The month with the highest number of rainy days is July (22.2 days).
The month with the least rainy days is November (10.1 days).

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Average snowfall in September
Walnut Grove, AL

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

The month with the highest snowfall is January (0.71").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in September
Walnut Grove, AL

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

The month with the highest number of snowfall days is February (1.2 days).
The 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
Walnut Grove, AL

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

The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).

  • Average sunshine in September: 8h and 2min

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

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Average sunshine days in September
Walnut Grove, AL

Average sunshine days in September - Walnut Grove, AL
  • Average sunshine days in September: 13.1 days

The months with the most sunshine days are October and November (18.5 days).
The month with the least sunshine days is July (7.8 days).

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Average UV index in September
Walnut Grove, AL

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

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Average cloud cover in September
Walnut Grove, AL

Average cloud cover in September - Walnut Grove, AL
  • Average cloud cover in September: 32

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 32).

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Average visibility in September
Walnut Grove, AL

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

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

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Walnut Grove, Alabama, USA

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