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 indicates a minor shift in the average high-temperature, from August's 85.5°F (29.7°C) to a still moderately hot 80.1°F (26.7°C). During September, Rock Bridge consistently records a temperature low averaging a comfortable 61.3°F (16.3°C).Humidity
The average relative humidity in September is 77%.Rainfall
In Rock Bridge, during September, the rain falls for 14.6 days and regularly aggregates up to 2.56" (65mm) of precipitation. Throughout the year, in Rock Bridge, there are 176.5 rainfall days, and 41.22" (1047mm) of precipitation is accumulated.Snowfall
In Rock Bridge, snow does not fall in May through October.Daylight
The average length of the day in September is 12h and 24min.On the first day of September, sunrise is at 6:17 am and sunset at 7:13 pm. On the last day of the month, sunrise is at 6:40 am and sunset at 6:30 pm CDT.
Sunshine
In September, the average sunshine is 8.3h.UV index
The average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.Note: An average UV index of 5 in September transforms into this advice:
Exercise prevention - Protecting skin and eyes from harm is required. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature?
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 Rock Bridge have in September?
What time are sunrise and sunset in September?
How many hours of sunshine does Rock Bridge have in September?
What is the UV index reading in September?
Average temperature in September
Rock Bridge, TN
- Average high temperature in September: 80.1°F
The warmest month (with the highest average high temperature) is July (86.7°F).
The month with the lowest average high temperature is January (42.8°F).
- Average low temperature in September: 61.3°F
The month with the highest average low temperature is July (67.8°F).
The coldest month (with the lowest average low temperature) is January (28.9°F).
Average pressure in September
Rock Bridge, TN
- 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 (29.96"Hg).
Average wind speed in September
Rock Bridge, TN
- Average wind speed in September: 5.1mph
The windiest month (with the highest average wind speed) is February (8.2mph).
The calmest month (with the lowest average wind speed) is July (4.6mph).
Average humidity in September
Rock Bridge, TN
- Average humidity in September: 77%
The months with the highest relative humidity are February, March, May, July and December (79%).
The month with the lowest relative humidity is October (75%).
Average rainfall in September
Rock Bridge, TN
- Average rainfall in September: 2.56"
The wettest month (with the highest rainfall) is July (5.2").
The driest month (with the least rainfall) is November (2.28").
Average rainfall days in September
Rock Bridge, TN
- Average rainfall days in September: 14.6 days
The month with the highest number of rainy days is July (19.3 days).
The month with the least rainy days is November (10.3 days).
Average snowfall in September
Rock Bridge, TN
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.54").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Rock Bridge, TN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (5.2 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
Rock Bridge, 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 42min).
- Average sunshine in September: 8h and 2min
The months with the most sunshine are June and August (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).
Average sunshine days in September
Rock Bridge, TN
- Average sunshine days in September: 14.5 days
The month with the most sunshine days is November (18.2 days).
The month with the least sunshine days is July (9.8 days).
Average UV index in September
Rock Bridge, 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
Rock Bridge, TN
- Average cloud cover in September: 34
The month with the most cloud cover is February (Cloud cover 56).
The month with the least cloud cover is June (Cloud cover 31).
Average visibility in September
Rock Bridge, TN
- Average visibility in September: 6mi
The months with the highest visibility are February, April, June, September, October, November and December (6mi).
The months with the lowest visibility are January, March, May, July and August (5mi).
Rock Bridge, Tennessee, USA
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