Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
September's average high-temperature stands at a warm 83.3°F (28.5°C), showing little deviation from August's 88.3°F (31.3°C). Throughout September, Smithsonia encounters an average temperature drop to an enjoyable 63.7°F (17.6°C).Heat index
The heat index value for September is estimated at a hot 89.6°F (32°C). Exhaustion might be the outcome of enduring exposure and continuous activity, with a risk of heat cramps.Heat index evaluations are typically in the context of light winds and shaded environments. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', gives a temperature feeling by integrating air temperature and humidity. One's weather perception can be influenced by a range of factors including metabolic differences, being pregnant, and their level of physical activity. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Young individuals are typically more threatened than adults due to their reduced perspiration. Also, the larger skin surface proportionate to their small bodies and the increased heat from their activities magnify their risk.
Humidity
In Smithsonia, the average relative humidity in September is 74%.Rainfall
In Smithsonia, Alabama, in September, it is raining for 12.6 days, with typically 2.4" (61mm) of accumulated precipitation. In Smithsonia, during the entire year, the rain falls for 170.1 days and collects up to 40.12" (1019mm) of precipitation.Snowfall
May through October are months without snowfall.Daylight
In September, the average length of the day in Smithsonia is 12h and 23min.On the first day of the month, sunrise is at 6:24 am and sunset at 7:17 pm. On the last day of September, sunrise is at 6:46 am and sunset at 6:36 pm CDT.
Sunshine
In Smithsonia, Alabama, the average sunshine in September is 8.9h.UV index
The average daily maximum UV index in September in Smithsonia is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for average individuals.Note: An average UV index of 5 in September transforms into this advice:
Put precautions into practice - Ensuring skin and eye safety is a necessity. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Frequently asked questions
How hot is September in Smithsonia?
What is the average humidity in September in Smithsonia?
How much does it rain in Smithsonia in September?
When it does not snow in Smithsonia?
What is the average length of the day in September in Smithsonia?
When is the sunrise / sunset in September in Smithsonia?
How many hours of sunshine does Smithsonia have in September?
What is the UV index reading in September in Smithsonia?
Average temperature in September
Smithsonia, AL
- Average high temperature in September: 83.3°F
The warmest month (with the highest average high temperature) is July (89.4°F).
The month with the lowest average high temperature is January (47.7°F).
- Average low temperature in September: 63.7°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 (33.1°F).
Average pressure in September
Smithsonia, AL
- Average pressure in September: 30.01"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).
Average wind speed in September
Smithsonia, AL
- Average wind speed in September: 5.2mph
The windiest month (with the highest average wind speed) is February (7.9mph).
The calmest month (with the lowest average wind speed) is July (4.6mph).
Average humidity in September
Smithsonia, 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 (73%).
Average rainfall in September
Smithsonia, AL
- Average rainfall in September: 2.4"
The wettest month (with the highest rainfall) is February (4.37").
The driest month (with the least rainfall) is November (2.28").
Average rainfall days in September
Smithsonia, AL
- Average rainfall days in September: 12.6 days
The month with the highest number of rainy days is July (19.1 days).
The month with the least rainy days is November (9.7 days).
Average snowfall in September
Smithsonia, AL
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.55").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Smithsonia, AL
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (2.3 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
Smithsonia, AL
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 30min).
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 18min).
The month with the least sunshine is December (Average sunshine: 4h and 30min).
Average sunshine days in September
Smithsonia, AL
- Average sunshine days in September: 16.3 days
The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is July (9.8 days).
Average UV index in September
Smithsonia, AL
- Average UV index in September: 5
The months with the highest UV index are May, June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in September
Smithsonia, AL
- Average cloud cover in September: 31
The month with the most cloud cover is February (Cloud cover 51).
The months with the least cloud cover are June and September (Cloud cover 31).
Average visibility in September
Smithsonia, AL
- Average visibility in September: 6mi
The months with the highest visibility are February, March, April, June, September, October, November and December (6mi).
The months with the lowest visibility are January, May, July and August (5mi).
Smithsonia, Alabama, USA
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