September weather forecast
Silas, AL

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Weather in September

September, the first month of the autumn in Silas, is still a hot month, with an average temperature fluctuating between 88°F (31.1°C) and 67.5°F (19.7°C).

Temperature

The advent of September brings an average high-temperature of a still tropical 88°F (31.1°C), almost identical to the preceding month. Throughout September, Silas registers a consistent average low-temperature of 67.5°F (19.7°C).

Heat index

The average heat index in September is estimated at a torrid 102.2°F (39°C). Adopt additional preventive measures, heat cramps and heat exhaustion are potential outcomes. Prolonged activity may trigger heatstroke.
Know that the heat index computations account for shaded terrains and slight winds. Direct sunlight might cause an increase of up to 15 Fahrenheit (8 Celsius) degrees in the heat index.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. The individual's temperature perception can be influenced by numerous factors such as metabolic variations, physical activity, and clothing. It is important to note that direct sunlight can intensify the weather impact, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Young ones often disregard the necessity to rest and hydrate. Thirst usually indicates advanced dehydration - hence, it is key to stay hydrated, particularly during ongoing physical activities.
Perspiration is the body's default response to elevated temperatures, as it promotes the evaporation of sweat to achieve cooling. An increase in relative humidity retards evaporation, subsequently reducing the body's heat removal rate and leading to a sensation of being overly warm. Excessive heat gain, when not shed effectively by the body, can result in increasing body temperatures and related hazards.

Humidity

The average relative humidity in September is 75%.

Rainfall

In Silas, in September, it is raining for 14.8 days, with typically 2.32" (59mm) of accumulated precipitation. Throughout the year, there are 163.4 rainfall days, and 31.06" (789mm) of precipitation is accumulated.

Snowfall

April through November are months without snowfall.

Daylight

The average length of the day in September is 12h and 21min.
On the first day of the month, sunrise is at 6:29 am and sunset at 7:16 pm. On the last day of September, sunrise is at 6:46 am and sunset at 6:39 pm CDT.

Sunshine

In Silas, the average sunshine in September is 9h.

UV index

In September, the average daily maximum UV index in Silas is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.
Note: A daily maximum UV index of 5 in September translates into the following instructions:
Guard yourself - An obligation to protect skin and eyes from harm exists. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.

Frequently asked questions

How hot is September?

In Silas, in September, the average high-temperature is 88°F (31.1°C), and the average low-temperature is 67.5°F (19.7°C). The average heat index (a.k.a. 'feels like', 'real feel'), which factors the actual air temperature with the relative humidity, in September is estimated at 102.2°F (39°C).

What is the average humidity in September?

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

How much does it rain in September?

In Silas, in September, it is raining for 14.8 days, with typically 2.32" (59mm) of accumulated precipitation.

When it does not snow?

In Silas, snow does not fall in April through November.

How many hours of daylight does Silas have in September?

The average day length in September is 12h and 21min.

What time are sunrise and sunset in September in Silas?

On the first day of September, sunrise is at 6:29 am and sunset at 7:16 pm. On the last day of the month, sunrise is at 6:46 am and sunset at 6:39 pm CDT.

How long on average sun shines in September?

In Silas, the average sunshine duration in September is 9h.

What is the UV index reading in September?

The average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents 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
Silas, AL

Average temperature in September - Silas, AL
  • Average high temperature in September: 88°F

The warmest month (with the highest average high temperature) is July (92.5°F).
The month with the lowest average high temperature is January (56.1°F).

  • Average low temperature in September: 67.5°F

The months with the highest average low temperature are July and August (72.1°F).
The coldest month (with the lowest average low temperature) is January (38.5°F).

Average pressure in September
Silas, AL

Average pressure in September - Silas, AL
  • Average pressure in September: 29.98"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).

Average wind speed in September
Silas, AL

Average wind speed in September - Silas, AL
  • Average wind speed in September: 4.7mph

The windiest month (with the highest average wind speed) is April (6.5mph).
The calmest month (with the lowest average wind speed) is July (4.3mph).

Average humidity in September
Silas, AL

Average humidity in September - Silas, AL
  • Average humidity in September: 75%

The month with the highest relative humidity is December (82%).
The month with the lowest relative humidity is October (71%).

Average rainfall in September
Silas, AL

Average rainfall in September - Silas, AL
  • Average rainfall in September: 2.32"

The wettest month (with the highest rainfall) is July (3.62").
The driest month (with the least rainfall) is November (1.61").

Average rainfall days in September
Silas, AL

Average rainfall days in September - Silas, AL
  • Average rainfall days in September: 14.8 days

The month with the highest number of rainy days is July (22.3 days).
The month with the least rainy days is November (7.5 days).

Average snowfall in September
Silas, AL

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

The month with the highest snowfall is December (0.31").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

Average snowfall days in September
Silas, AL

Average snowfall days in September - Silas, 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, October and November (0 days).

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

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

The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).

  • Average sunshine in September: 9h and 0min

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

Average sunshine days in September
Silas, AL

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

The month with the most sunshine days is November (20.8 days).
The month with the least sunshine days is July (7.2 days).

Average UV index in September
Silas, AL

Average UV index in September - Silas, AL
  • Average UV index in September: 5

The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 3).

Average cloud cover in September
Silas, AL

Average cloud cover in September - Silas, AL
  • Average cloud cover in September: 33

The months with the most cloud cover are February and December (Cloud cover 50).
The month with the least cloud cover is October (Cloud cover 31).

Average visibility in September
Silas, AL

Average visibility in September - Silas, AL
  • Average visibility in September: 5mi

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

Silas, Alabama, USA

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