September weather forecast
Weiss Dam, AL

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Weather in September

September, the first month of the autumn in Weiss Dam, is also a moderately hot month, with temperature in the range of an average high of 82.9°F (28.3°C) and an average low of 62.6°F (17°C).

Temperature

Weiss Dam observes a minor difference in average high-temperatures between August's 87.6°F (30.9°C) and September's 82.9°F (28.3°C). During September, the temperature is averaged to a low of 62.6°F (17°C) at night.

Heat index

For September, the heat index is computed to be a tropical 89.6°F (32°C). Long-standing exposure and activity could induce a feeling of tiredness and lead to heat cramps.
It is worth noting that heat index values are gauged for conditions in the shade and light breezes. Under direct sunshine, the heat index values might be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is an amalgamation of air temperature and humidity to express the equivalent perceived temperature. This effect is subjective, differing among individuals based on their physical activity and perception of heat, which can be influenced by factors like wind, clothing, and metabolic variances. Consider the fact that direct sun exposure can influence how hot one feels, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Children typically face more danger than adults as their sweat production is usually lower. Additionally, the bigger skin surface compared to their small size and the increased heat due to their activeness exacerbate the risk.

Humidity

In September, the average relative humidity is 75%.

Rainfall

In September, the rain falls for 14.2 days. Throughout September, 2.72" (69mm) of precipitation is accumulated. In Weiss Dam, during the entire year, the rain falls for 181.2 days and collects up to 41.06" (1043mm) of precipitation.

Snowfall

April through October are months without snowfall.

Daylight

The average length of the day in September is 12h and 22min.
On the first day of the month, sunrise is at 6:16 am and sunset at 7:08 pm. On the last day of September, sunrise is at 6:37 am and sunset at 6:28 pm CDT.

Sunshine

In Weiss Dam, the average sunshine in September is 8.5h.

UV index

The average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for average individuals.
Note: In September, the maximum UV index of 5 translates into these guidelines:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Updated: Aug 26, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is it in September?

The average high-temperature, in September, in Weiss Dam, is 82.9°F (28.3°C), while the average low-temperature is 62.6°F (17°C). In September, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, is computed to be 89.6°F (32°C).

What is the average humidity in September in Weiss Dam?

In September, the average relative humidity is 75%.

How many days does it rain in September?

In Weiss Dam, during September, the rain falls for 14.2 days and regularly aggregates up to 2.72" (69mm) of precipitation.

When it does not snow?

April through October are months without snowfall.

What is the average length of the day in September?

In September, the average day length is 12h and 22min.

When are sunrise and sunset in September?

In September, on the first day of the month, sunrise is at 6:16 am and sunset at 7:08 pm. On the last day of the month, sunrise is at 6:37 am and sunset at 6:28 pm CDT.

How long on average sun shines in September?

In Weiss Dam, the average sunshine duration in September is 8.5h.

How high is the UV index in September in Weiss Dam?

In September, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate vulnerability from exposure to Sun's UV rays.
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
Weiss Dam, AL

Average temperature in September - Weiss Dam, AL
  • Average high temperature in September: 82.9°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 (48.9°F).

  • Average low temperature in September: 62.6°F

The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (33.4°F).

Average pressure in September
Weiss Dam, AL

Average pressure in September - Weiss Dam, 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).

Average wind speed in September
Weiss Dam, AL

Average wind speed in September - Weiss Dam, AL
  • Average wind speed in September: 4.5mph

The windiest month (with the highest average wind speed) is February (7.3mph).
The calmest month (with the lowest average wind speed) is August (4.1mph).

Average humidity in September
Weiss Dam, AL

Average humidity in September - Weiss Dam, 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 (74%).

Average rainfall in September
Weiss Dam, AL

Average rainfall in September - Weiss Dam, AL
  • Average rainfall in September: 2.72"

The wettest months (with the highest rainfall) are February and December (4.06").
The driest month (with the least rainfall) is October (2.56").

Average rainfall days in September
Weiss Dam, AL

Average rainfall days in September - Weiss Dam, AL
  • Average rainfall days in September: 14.2 days

The month with the highest number of rainy days is July (21.1 days).
The month with the least rainy days is November (9.8 days).

Average snowfall in September
Weiss Dam, AL

Average snowfall in September - Weiss Dam, AL
  • Average snowfall in September: 0"

The month with the highest snowfall is January (0.79").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in September
Weiss Dam, AL

Average snowfall days in September - Weiss Dam, AL
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (1.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in September /
Average sunshine in September
Weiss Dam, AL

Average daylight in September / Average sunshine in September - Weiss Dam, 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 3min

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 48min).

Average sunshine days in September
Weiss Dam, AL

Average sunshine days in September - Weiss Dam, AL
  • Average sunshine days in September: 13.4 days

The month with the most sunshine days is October (19.1 days).
The month with the least sunshine days is July (8 days).

Average UV index in September
Weiss Dam, AL

Average UV index in September - Weiss Dam, 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).

Average cloud cover in September
Weiss Dam, AL

Average cloud cover in September - Weiss Dam, AL
  • Average cloud cover in September: 31

The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is June (Cloud cover 30).

Average visibility in September
Weiss Dam, AL

Average visibility in September - Weiss Dam, AL
  • Average visibility in September: 6mi

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

Weiss Dam, Alabama, USA

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