September weather forecastLillian, AL
September
Weather in September
The first month of the autumn, September, is also a hot month in Lillian, Alabama, with temperature in the range of an average low of 72.5°F (22.5°C) and an average high of 88°F (31.1°C).Temperature
Lillian's average high-temperature in September is a still hot 88°F (31.1°C), indicating a subtle variation from August. An average low-temperature of 72.5°F (22.5°C) is expected during September.Heat index
September's average heat index is computed to be a fiery hot 102.2°F (39°C). Implement more preventive measures, heat cramps and heat exhaustion are probable. Heatstroke might result from extended activity.Heat index evaluations are typically in the context of light winds and shaded environments. Exposing to direct sunshine may enhance heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is a measure of how hot it feels when the actual air humidity is factored in. Physical activity, clothing, and metabolic variations are additional factors that impact an individual's perception of temperature. You should know that direct sun exposure can heighten weather effects, potentially elevating the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Children frequently underestimate the necessity to rest and hydrate. Thirst is a late sign of dehydration - thus, it is vital to stay hydrated, particularly during lengthy physical exercises.
When faced with excessive heat, the human body begins to perspire, utilizing the cooling benefits of sweat evaporation. When there is abundant moisture in the air, the body's cooling through the evaporation process becomes less effective, leading to the sensation of overheating. As body temperatures escalate without effective heat release, one might face dehydration threats.
Humidity
In September, the average relative humidity is 75%.Rainfall
In September, the rain falls for 17.7 days. Throughout September, 3.35" (85mm) of precipitation is accumulated. In Lillian, during the entire year, the rain falls for 167.7 days and collects up to 36.69" (932mm) of precipitation.Snowfall
February through December are months without snowfall in Lillian.Daylight
In Lillian, the average length of the day in September is 12h and 20min.On the first day of the month, sunrise is at 6:26 am and sunset at 7:12 pm. On the last day of September, sunrise is at 6:43 am and sunset at 6:35 pm CDT.
Sunshine
In September, the average sunshine is 9.4h.UV index
In Lillian, the average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for the average person.Note: The maximum UV index of 6 during September leads to these instructions:
Conform to measures and uphold sun safety traditions. Warding off skin and eye harm is necessary. To the best of your ability, limit your exposure to the sun between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Lillian, AL
- Average high temperature in September: 88°F
The warmest month (with the highest average high temperature) is August (91.4°F).
The month with the lowest average high temperature is January (59.2°F).
- Average low temperature in September: 72.5°F
The month with the highest average low temperature is August (76.3°F).
The coldest month (with the lowest average low temperature) is January (44.2°F).
Average pressure in September
Lillian, AL
- Average pressure in September: 29.98"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The months with the lowest atmospheric pressure are June and August (29.97"Hg).
Average wind speed in September
Lillian, AL
- Average wind speed in September: 5.3mph
The windiest months (with the highest average wind speed) are January and March (7.3mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).
Average humidity in September
Lillian, 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 (71%).
Average rainfall in September
Lillian, AL
- Average rainfall in September: 3.35"
The wettest month (with the highest rainfall) is July (4.53").
The driest month (with the least rainfall) is May (1.97").
Average rainfall days in September
Lillian, AL
- Average rainfall days in September: 17.7 days
The month with the highest number of rainy days is July (23 days).
The month with the least rainy days is November (8.1 days).
Average snowfall in September
Lillian, AL
- Average snowfall in September: 0"
The month with the highest snowfall is January (0.16").
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in September
Lillian, AL
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (0.1 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in September /
Average sunshine in September
Lillian, AL
- Average daylight in September: 12h and 18min
The month with the longest days is June (Average daylight: 14h and 6min).
The month with the shortest days is December (Average daylight: 10h and 12min).
- Average sunshine in September: 9h and 24min
The months with the most sunshine are May and June (Average sunshine: 10h and 48min).
The months with the least sunshine are February and December (Average sunshine: 5h and 12min).
Average sunshine days in September
Lillian, AL
- Average sunshine days in September: 9.7 days
The month with the most sunshine days is November (19.8 days).
The month with the least sunshine days is July (5.4 days).
Average UV index in September
Lillian, AL
- Average UV index in September: 6
The months with the highest UV index are May, 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
Lillian, AL
- Average cloud cover in September: 27
The months with the most cloud cover are February and December (Cloud cover 46).
The month with the least cloud cover is October (Cloud cover 25).
Average visibility in September
Lillian, AL
- Average visibility in September: 6mi
The months with the highest visibility are January, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is February (5mi).
