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
As September commences, the average high-temperature subtly reduces, transitioning from a warm 85.3°F (29.6°C) in August to a still moderately hot 79.9°F (26.6°C). Seymour experiences a drastic reduction from day temperatures to an average low of 57.9°F (14.4°C) in September.Humidity
In Seymour, the average relative humidity in September is 75%.Rainfall
September is the month with the least rainfall in Seymour. Rain falls for 13.2 days and accumulates 1.57" (40mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
The average length of the day in September is 12h and 23min.On the first day of September, sunrise is at 7:07 am and sunset at 8:02 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 7:19 pm EDT.
Sunshine
In September, the average sunshine is 8.7h.UV index
In Seymour, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for average individuals.Note: The maximum daily UV index of 5 during September translates into the following directions:
Exercise prevention - Protecting skin and eyes from harm is required. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Seymour in September?
What is the average humidity in September?
What is the driest month?
How much does it rain in September?
When it does not snow?
Does it snow in September?
What is the average length of the day in September?
When are sunrise and sunset in September?
How many hours of sunshine does Seymour have in September?
What is the UV index reading in September?
Average temperature in September
Seymour, TN
- Average high temperature in September: 79.9°F
The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is January (44.8°F).
- Average low temperature in September: 57.9°F
The month with the highest average low temperature is July (63.3°F).
The coldest month (with the lowest average low temperature) is January (28.8°F).
Average pressure in September
Seymour, TN
- Average pressure in September: 30.04"Hg
The months with the highest atmospheric pressure are January and November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).
Average wind speed in September
Seymour, TN
- Average wind speed in September: 3.7mph
The windiest month (with the highest average wind speed) is April (5.8mph).
The calmest month (with the lowest average wind speed) is August (3.5mph).
Average humidity in September
Seymour, TN
- Average humidity in September: 75%
The months with the highest relative humidity are February and December (79%).
The month with the lowest relative humidity is August (73%).
Average rainfall in September
Seymour, TN
- Average rainfall in September: 1.57"
The wettest month (with the highest rainfall) is February (3.43").
The driest month (with the least rainfall) is September (1.57").
Average rainfall days in September
Seymour, TN
- Average rainfall days in September: 13.2 days
The month with the highest number of rainy days is July (18.9 days).
The month with the least rainy days is November (9.7 days).
Average snowfall in September
Seymour, TN
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.81").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Seymour, TN
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (4.8 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
Seymour, TN
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in September: 8h and 4min
The month with the most sunshine is June (Average sunshine: 10h and 54min).
The month with the least sunshine is January (Average sunshine: 5h and 18min).
Average sunshine days in September
Seymour, TN
- Average sunshine days in September: 14.2 days
The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is July (9.3 days).
Average UV index in September
Seymour, TN
- 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, February and December (UV index 2).
Average cloud cover in September
Seymour, TN
- Average cloud cover in September: 30
The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is June (Cloud cover 27).
Average visibility in September
Seymour, TN
- Average visibility in September: 6mi
The months with the highest visibility are April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February and March (5mi).
Seymour, Tennessee, USA
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