September weather forecast and climate
Smithdale, AL

Weather in September

September, the first month of the autumn, in Smithdale, is still a warm month, with average temperature ranging between min 64°F (17.8°C) and max 83.5°F (28.6°C).

Temperature

In September, the average high-temperature is essentially the same as in August - a moderately hot 83.5°F (28.6°C). The average low-temperature, in September, is 64°F (17.8°C).

Heat index

The average heat index is estimated at a tropical 90.7°F (32.6°C). Take extra precautions, as heat cramps and heat exhaustion are possible. Sustained activity may result in heatstroke.
Take into consideration that the heat index values are calculated for shade and light wind conditions. 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', 'felt air temperature', or 'real feel', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. Additional factors like activity, metabolic differences, differences in body mass, height, and shape, and wind 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 Smithdale, the average relative humidity is 74%.

Rainfall

In September, in Smithdale, Alabama, the rain falls for 14.4 days. Throughout September, 2.64" (67mm) of precipitation is accumulated. Throughout the year, in Smithdale, there are 176.2 rainfall days, and 40.43" (1027mm) of precipitation is accumulated.

Snowfall

April through October are months without snowfall.

Daylight

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

Sunshine

In Smithdale, the average sunshine in September is 8.9h.

UV index

The average daily maximum UV index in Smithdale is 5. A UV Index reading of 3 to 5 represents a moderate health risk from the exposure to the Sun's UV rays for average individuals.
Note: The daily maximum UV index of 5 in September interpret into the following advice:
Take precautions - Protection against the skin and eye damage is obliged. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
[Resources]

FAQ

What is the temperature in September in Smithdale?

In September, in Smithdale, the average high-temperature is 83.5°F (28.6°C), and the average low-temperature is 64°F (17.8°C). The average heat index (a.k.a. 'real feel', 'feels like'), that represents influence of the relative humidity to air temperaure, in September is appraised at 90.7°F (32.6°C).

What is the average humidity in September in Smithdale?

The average relative humidity in September in Smithdale is 74%.

How many days does it rain in September in Smithdale?

In September, in Smithdale, the rain falls for 14.4 days. Throughout September, 2.64" (67mm) of precipitation is accumulated.

When it does not snow in Smithdale?

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

How many hours of daylight does Smithdale have in September?

The average length of the day in September is 12.4h.

How long on average sun shines in September in Smithdale?

In September, the average sunshine in Smithdale, Alabama, is 8.9h.

How high is the UV index in September in Smithdale?

In September, the average daily maximum UV index in Smithdale, Alabama, is 5. A UV Index estimate of 3 to 5 represents a medium health risk from unsafe exposure to the Sun's UV rays.

Average temperature in September
Smithdale, AL

Average temperature in September - Smithdale, AL
  • Average high temperature in September: 83.5°F

The warmest month (with the highest average high temperature) is July (89.2°F).
The month with the lowest average high temperature is January (48.9°F).

  • Average low temperature in September: 64°F

The month with the highest average low temperature is July (69.6°F).
The coldest month (with the lowest average low temperature) is January (34°F).

[Resources]

Average pressure in September
Smithdale, AL

Average pressure in September - Smithdale, 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").

[Resources]

Average wind speed in September
Smithdale, AL

Average wind speed in September - Smithdale, AL
  • Average wind speed in September: 5.1mph

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

[Resources]

Average humidity in September
Smithdale, AL

Average humidity in September - Smithdale, 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%).

[Resources]

Average rainfall in September
Smithdale, AL

Average rainfall in September - Smithdale, AL
  • Average rainfall in September: 2.64"

The wettest month (with the highest rainfall) is December (4.21").
The driest month (with the least rainfall) is November (2.36").

[Resources]

Average rainfall days in September
Smithdale, AL

Average rainfall days in September - Smithdale, AL
  • Average rainfall days in September: 14.4 days

The month with the highest number of rainy days is July (20.2 days).
The month with the least rainy days is November (10.1 days).

[Resources]

Average snowfall in September
Smithdale, AL

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

The month with the highest snowfall is January (0.67").
Months with the least snowfall are April, May, June, July, August, September and October (0").

[Resources]

Average snowfall days in September
Smithdale, AL

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

The month with the highest number of snowfall days is February (1.5 days).
Months with the least snowfall days are May, June, July, August, September and October (0 days).

[Resources]

Average daylight in September /
Average sunshine in September
Smithdale, AL

Average daylight in September / Average sunshine in September - Smithdale, 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: 8.9h

The month with the most sunshine is June (Average sunshine: 10.5h).
The month with the least sunshine is February (Average sunshine: 4.7h).

[Resources]

Average sunshine days in September
Smithdale, AL

Average sunshine days in September - Smithdale, AL
  • Average sunshine days in September: 13.5 days

The month with the most sunshine days is October (19 days).
The month with the least sunshine days is July (8.6 days).

[Resources]

Average UV index in September
Smithdale, AL

Average UV index in September - Smithdale, 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).

[Resources]

Average cloud cover in September
Smithdale, AL

Average cloud cover in September - Smithdale, AL
  • Average cloud cover in September: 30

The month with the most cloud cover is February (Cloud cover 49).
Months with the least cloud cover are June and September (Cloud cover 30).

[Resources]

Average visibility in September
Smithdale, AL

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

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

[Resources]