September weather forecast
Spring Valley, AL

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Weather in September

September, the first month of the autumn in Spring Valley, is also a moderately hot month, with temperature in the range of an average high of 82.8°F (28.2°C) and an average low of 63.5°F (17.5°C).

Temperature

A minor decrease in the average high-temperature is observed during September, shifting from a tropical 88.3°F (31.3°C) in August to a moderately hot 82.8°F (28.2°C). Spring Valley's nights in September cool down to an average low-temperature of 63.5°F (17.5°C).

Heat index

The heat index value for September is estimated at a hot 89.6°F (32°C). Uninterrupted exposure and activity might result in fatigue, potentially causing heat cramps.
Understanding the heat index involves considering values for shaded locales with light wind. The heat index has the potential to rise by 15 Fahrenheit (8 Celsius) degrees with direct sunshine exposure.
Note: The heat index, also known as 'apparent temperature' or 'real feel', comes about by integrating the temperature readings with the humidity levels. A person's impression of weather can be swayed by numerous aspects, among them metabolic variations, pregnancy, and activity levels. When exposed to direct sunlight, it's possible for the heat index to increase by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Young ones generally face higher dangers than adults since they sweat less. Along with their large skin surface area compared totheir small bodies and increased heat production from their activities, the risks are heightened.

Humidity

In Spring Valley, the average relative humidity in September is 74%.

Rainfall

September is the month with the least rainfall in Spring Valley. Rain falls for 12.7 days and accumulates 2.05" (52mm) of precipitation.

Snowfall

April through October are months without snowfall.

Daylight

In Spring Valley, the average length of the day in September is 12h and 23min.
On the first day of the month, sunrise is at 6:24 am and sunset at 7:16 pm. On the last day of September, in Spring Valley, sunrise is at 6:44 am and sunset at 6:35 pm CDT.

Sunshine

In Spring Valley, the average sunshine in September is 8.9h.

UV index

In September, the average daily maximum UV index in Spring Valley is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the average person.
Note: A maximum high UV index of 5 in September translates into the following recommendations:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
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Frequently asked questions

How hot is it in Spring Valley in September?

September temperatures vary between a high-temperature of 82.8°F (28.2°C) and a low-temperature of 63.5°F (17.5°C). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which combines air temperature and relative humidity, in September is estimated at 89.6°F (32°C).

What is the average humidity in September in Spring Valley?

The average relative humidity in September in Spring Valley is 74%.

What is the driest month in Spring Valley?

September is the month with the least rainfall in Spring Valley, Alabama. Rain falls for 12.7 days and accumulates 2.05" (52mm) of precipitation.

How much does it rain in Spring Valley in September?

In Spring Valley, in September, during 12.7 rainfall days, 2.05" (52mm) of precipitation is typically accumulated.

When it does not snow in Spring Valley?

April through October are months without snowfall in Spring Valley, Alabama.

How many hours of daylight does Spring Valley have in September?

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

When is the sunrise / sunset in September in Spring Valley?

On the first day of September in Spring Valley, sunrise is at 6:24 am and sunset at 7:16 pm. On the last day of the month, sunrise is at 6:44 am and sunset at 6:35 pm CDT.

How many hours of sunshine does Spring Valley have in September?

In Spring Valley, the average sunshine duration in September is 8.9h.

How high is the UV index in September in Spring Valley?

In September, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a moderate health threat 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
Spring Valley, AL

Average temperature in September - Spring Valley, AL
  • Average high temperature in September: 82.8°F

The warmest month (with the highest average high temperature) is July (88.7°F).
The month with the lowest average high temperature is January (47.7°F).

  • Average low temperature in September: 63.5°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 (33.3°F).

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Average pressure in September
Spring Valley, AL

Average pressure in September - Spring Valley, 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 (29.97"Hg).

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Average wind speed in September
Spring Valley, AL

Average wind speed in September - Spring Valley, AL
  • Average wind speed in September: 5.3mph

The windiest month (with the highest average wind speed) is February (8.4mph).
The calmest month (with the lowest average wind speed) is July (4.8mph).

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Average humidity in September
Spring Valley, AL

Average humidity in September - Spring Valley, AL
  • Average humidity in September: 74%

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

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Average rainfall in September
Spring Valley, AL

Average rainfall in September - Spring Valley, AL
  • Average rainfall in September: 2.05"

The wettest month (with the highest rainfall) is February (3.58").
The driest month (with the least rainfall) is September (2.05").

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Average rainfall days in September
Spring Valley, AL

Average rainfall days in September - Spring Valley, AL
  • Average rainfall days in September: 12.7 days

The month with the highest number of rainy days is July (18.6 days).
The month with the least rainy days is November (9.7 days).

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Average snowfall in September
Spring Valley, AL

Average snowfall in September - Spring Valley, AL
  • Average snowfall in September: 0"

The month with the highest snowfall is February (0.31").
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
Spring Valley, AL

Average snowfall days in September - Spring Valley, AL
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (2.2 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
Spring Valley, AL

Average daylight in September / Average sunshine in September - Spring Valley, 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 5min

The month with the most sunshine is June (Average sunshine: 10h and 30min).
The months with the least sunshine are February and December (Average sunshine: 4h and 42min).

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Average sunshine days in September
Spring Valley, AL

Average sunshine days in September - Spring Valley, AL
  • Average sunshine days in September: 15.2 days

The months with the most sunshine days are October and November (18.8 days).
The month with the least sunshine days is July (10.4 days).

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Average UV index in September
Spring Valley, AL

Average UV index in September - Spring Valley, AL
  • Average UV index in September: 5

The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is December (UV index 2).

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Average cloud cover in September
Spring Valley, AL

Average cloud cover in September - Spring Valley, AL
  • Average cloud cover in September: 30

The months with the most cloud cover are February and December (Cloud cover 50).
The month with the least cloud cover is June (Cloud cover 29).

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Average visibility in September
Spring Valley, AL

Average visibility in September - Spring Valley, AL
  • Average visibility in September: 6mi

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

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Spring Valley, Alabama, USA

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