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 advent of September brings an average high-temperature of a warm 84.4°F (29.1°C), almost identical to the preceding month. Ten Islands, in September, witnesses an average low-temperature of 64°F (17.8°C).Heat index
The average heat index in September is estimated at a tropical 93.2°F (34°C). Implement additional cautionary measures, heat cramps and heat exhaustion could occur. Prolonged activity might induce heatstroke.In reference to the heat index, it's for places in shade and with a slight wind. The heat index has the potential to rise by 15 Fahrenheit (8 Celsius) degrees with direct sunshine exposure.
Note: The heat index, also known as 'real feel' or 'apparent temperature', joins air temperature with relative humidity to produce a temperature perception for humans. The impact of temperature is individual, as people's perception of weather may change based on their body mass, height, and physical activity. By being directly under the sun, it's possible for the felt temperature to increase by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. In general, children are more at risk than adults because they sweat less. Furthermore, the large skin surface compared to their small bodies and the high heat production due to their actions contribute to this vulnerability.
Humidity
The average relative humidity in September is 74%.Rainfall
In September, the rain falls for 13.2 days. Throughout September, 2.36" (60mm) of precipitation is accumulated. Throughout the year, there are 174.1 rainfall days, and 38.7" (983mm) of precipitation is accumulated.Snowfall
March through October are months without snowfall.Daylight
In Ten Islands, the average length of the day in September is 12h and 22min.On the first day of the month, sunrise is at 6:18 am and sunset at 7:09 pm. On the last day of September, sunrise is at 6:38 am and sunset at 6:29 pm CDT.
Sunshine
In Ten Islands, the average sunshine in September is 8.7h.UV index
The average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for average individuals.Note: The maximum UV index of 5 during September translates into these guidelines:
Exercise prevention - Warding off sunburn is urged. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot does it get in September?
What is the average humidity in September?
How many days does it rain in September?
When it does not snow?
How many hours of daylight does Ten Islands have in September?
When are sunrise and sunset in September?
How many hours of sunshine does Ten Islands have in September?
What is the UV index reading in September?
Average temperature in September
Ten Islands, AL
- Average high temperature in September: 84.4°F
The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is January (50.4°F).
- Average low temperature in September: 64°F
The months with the highest average low temperature are July and August (69.6°F).
The coldest month (with the lowest average low temperature) is January (34.7°F).
Average pressure in September
Ten Islands, 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
Ten Islands, AL
- Average wind speed in September: 4.6mph
The windiest months (with the highest average wind speed) are January and February (7.3mph).
The calmest month (with the lowest average wind speed) is August (4.1mph).
Average humidity in September
Ten Islands, 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 (72%).
Average rainfall in September
Ten Islands, AL
- Average rainfall in September: 2.36"
The wettest month (with the highest rainfall) is December (3.82").
The driest month (with the least rainfall) is October (2.2").
Average rainfall days in September
Ten Islands, AL
- Average rainfall days in September: 13.2 days
The month with the highest number of rainy days is July (22.2 days).
The month with the least rainy days is November (8.3 days).
Average snowfall in September
Ten Islands, AL
- Average snowfall in September: 0"
The month with the highest snowfall is January (0.59").
The months with the least snowfall are March, April, May, June, July, August, September and October (0").
Average snowfall days in September
Ten Islands, AL
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.1 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
Ten Islands, 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: 10h and 0min).
- Average sunshine in September: 8h and 4min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).
Average sunshine days in September
Ten Islands, AL
- Average sunshine days in September: 14.2 days
The month with the most sunshine days is October (20.1 days).
The month with the least sunshine days is July (6.7 days).
Average UV index in September
Ten Islands, 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
Ten Islands, AL
- Average cloud cover in September: 29
The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is September (Cloud cover 29).
Average visibility in September
Ten Islands, AL
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Ten Islands, Alabama, USA
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