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
The beginning of September records an average high-temperature of a still tropical 87.4°F (30.8°C), marking a negligible difference from August's 90.9°F (32.7°C). Nighttime temperature experiences an average drop to an agreeable 68.4°F (20.2°C) in September.Heat index
In September, the average heat index is computed to be a sweltering 102.2°F (39°C). Take extra safety measures to prevent heat exhaustion and heat cramps. Heatstroke could follow lengthy activity.Remember that heat index calculations are made for conditions in the shade with light wind. The heat index might be elevated by 15 Fahrenheit (8 Celsius) degrees due to direct sun exposure.
Note: The heat index, also known as 'feels like' or 'apparent temperature', offers an insight into how hot it feels when we factor in moisture content. Factors such as metabolic variation, pregnancy, and physical activity play a role in one's impression of weather. Keep it in mind, direct sunlight can augment the heat you experience, possibly pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Children usually face more risks than adults as their ability to sweat is less. Additionally, their larger skin surface in relation to their petite bodies and higher heat output due to their activities increases their vulnerability.
When temperatures rise, the human body turns to perspiration, using the cooling power of evaporating sweat. High relative humidity reduces the evaporation rate, resulting in a lower heat removal rate from the body, causing the perception of being overheated. Heat-related disorders may develop if heat gain in the body overshadows its cooling capacity, leading to elevated temperatures.
Humidity
In September, the average relative humidity is 77%.Rainfall
In Perdido, Alabama, in September, it is raining for 17.7 days, with typically 3.19" (81mm) of accumulated precipitation. In Perdido, during the entire year, the rain falls for 176.1 days and collects up to 38.39" (975mm) of precipitation.Snowfall
In Perdido, snow does not fall in March through November.Daylight
In September, the average length of the day is 12h and 20min.On the first day of the month, sunrise is at 6:27 am and sunset at 7:13 pm. On the last day of September, sunrise is at 6:43 am and sunset at 6:36 pm CDT.
Sunshine
In September, the average sunshine in Perdido, Alabama, is 8.5h.UV index
In Perdido, the average daily maximum UV index in September is 6. A UV Index of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The UV index of 6 in September translates into these instructions:
Enforce precautions and stick to sun safety measures. Preservation from skin and eye damage is essential. Avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is most intense, and remember that not all shade structures provide full protection. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Frequently asked questions
How hot is it in Perdido in September?
What is the average humidity in September in Perdido?
How much does it rain in Perdido in September?
When it does not snow in Perdido?
How many hours of daylight does Perdido have in September?
What time are sunrise and sunset in September in Perdido?
How long on average sun shines in September in Perdido?
How high is the UV index in September in Perdido?
Average temperature in September
Perdido, AL
- Average high temperature in September: 87.4°F
The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (57.7°F).
- Average low temperature in September: 68.4°F
The month with the highest average low temperature is August (72.9°F).
The coldest month (with the lowest average low temperature) is January (39.7°F).
Average pressure in September
Perdido, 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
Perdido, AL
- Average wind speed in September: 4.5mph
The windiest months (with the highest average wind speed) are March and April (6.2mph).
The calmest months (with the lowest average wind speed) are July and August (4.3mph).
Average humidity in September
Perdido, AL
- Average humidity in September: 77%
The month with the highest relative humidity is December (82%).
The month with the lowest relative humidity is October (73%).
Average rainfall in September
Perdido, AL
- Average rainfall in September: 3.19"
The wettest month (with the highest rainfall) is August (4.92").
The driest month (with the least rainfall) is November (2.09").
Average rainfall days in September
Perdido, AL
- Average rainfall days in September: 17.7 days
The month with the highest number of rainy days is July (23.8 days).
The month with the least rainy days is November (7.5 days).
Average snowfall in September
Perdido, AL
- Average snowfall in September: 0"
The month with the highest snowfall is January (0.28").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").
Average snowfall days in September
Perdido, AL
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (0.5 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
Perdido, AL
- Average daylight in September: 12h and 2min
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: 8h and 3min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is December (Average sunshine: 4h and 54min).
Average sunshine days in September
Perdido, AL
- Average sunshine days in September: 10.9 days
The month with the most sunshine days is November (20.4 days).
The month with the least sunshine days is July (5.9 days).
Average UV index in September
Perdido, AL
- Average UV index in September: 6
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover in September
Perdido, AL
- Average cloud cover in September: 35
The month with the most cloud cover is December (Cloud cover 53).
The month with the least cloud cover is October (Cloud cover 31).
Average visibility in September
Perdido, AL
- Average visibility in September: 5mi
The months with the highest visibility are June and October (6mi).
The months with the lowest visibility are January, February, March, April, May, July, August, September, November and December (5mi).
Perdido, Alabama, USA
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