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 start of September signals a gentle decrease in the average high-temperature, transitioning from a tropical 86.5°F (30.3°C) in August to a warm 81°F (27.2°C). During September, Trenton sees a mean low-temperature of 61.9°F (16.6°C).Heat index
The heat index value for September is evaluated at a hot 86°F (30°C). Long-lasting exposure and activity potentially induce a sense of weariness, with the risk of heat cramps.Observations indicate that the heat index values are for shady locations with light wind. Heat index values can rise by 15 Fahrenheit (8 Celsius) degrees when in direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is a numerical representation of warmth when taking temperature and moisture levels into account. Additional elements including metabolic differences, the level of physical activity, and attire have a role in shaping the individual's temperature perception. Should you be directly under the sun, anticipate a possible increase in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Children frequently do not understand the need for recuperation and hydration. Thirst, being a late manifestation of dehydration, underlines the need to hydrate frequently, especially when engaging in prolonged physical exercises.
Humidity
The average relative humidity in September is 77%.Rainfall
In September, the rain falls for 13.4 days. Throughout September, 2.64" (67mm) of precipitation is accumulated. Throughout the year, there are 178.6 rainfall days, and 43.11" (1095mm) of precipitation is accumulated.Snowfall
In Trenton, snow does not fall in April through October.Daylight
In Trenton, Alabama, the average length of the day in September is 12h and 23min.On the first day of September, sunrise is at 6:18 am and sunset at 7:11 pm. On the last day of the month, sunrise is at 6:39 am and sunset at 6:30 pm CDT.
Sunshine
The average sunshine in September is 8.4h.UV index
In September, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the average person.Note: The maximum daily UV index of 5 in September converts into the following recommendations:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Boost your sun resistance with garments that are densely woven yet spacious.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in September?
What is the average humidity in September?
How much does it rain in September?
When it does not snow?
How many hours of daylight does Trenton have in September?
What time are sunrise and sunset in September?
How many hours of sunshine does Trenton have in September?
What is the UV index reading in September?
Average temperature in September
Trenton, AL
- Average high temperature in September: 81°F
The warmest month (with the highest average high temperature) is July (87.1°F).
The month with the lowest average high temperature is January (46.9°F).
- Average low temperature in September: 61.9°F
The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (32.2°F).
Average pressure in September
Trenton, AL
- Average pressure in September: 30.03"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
Trenton, AL
- Average wind speed in September: 4.8mph
The windiest month (with the highest average wind speed) is February (7.4mph).
The calmest months (with the lowest average wind speed) are July and August (4.3mph).
Average humidity in September
Trenton, AL
- Average humidity in September: 77%
The month with the highest relative humidity is December (81%).
The month with the lowest relative humidity is October (75%).
Average rainfall in September
Trenton, AL
- Average rainfall in September: 2.64"
The wettest month (with the highest rainfall) is December (4.45").
The driest months (with the least rainfall) are October and November (2.44").
Average rainfall days in September
Trenton, AL
- Average rainfall days in September: 13.4 days
The month with the highest number of rainy days is July (21.2 days).
The month with the least rainy days is November (9 days).
Average snowfall in September
Trenton, AL
- Average snowfall in September: 0"
The month with the highest snowfall is January (0.87").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Trenton, AL
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Trenton, 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 2min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in September
Trenton, AL
- Average sunshine days in September: 14.3 days
The month with the most sunshine days is November (19.3 days).
The month with the least sunshine days is July (8.6 days).
Average UV index in September
Trenton, 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
Trenton, AL
- Average cloud cover in September: 32
The month with the most cloud cover is February (Cloud cover 52).
The months with the least cloud cover are June and September (Cloud cover 32).
Average visibility in September
Trenton, AL
- Average visibility in September: 6mi
The months with the highest visibility are March, April, June, September, October and November (6mi).
The months with the lowest visibility are January, February, May, July, August and December (5mi).
Trenton, Alabama, USA
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