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 August makes way for September, Greivertown's average high-temperature eases from a moderately hot 85.5°F (29.7°C) to a still warm 79.7°F (26.5°C). During September, the temperature is averaged to a low of 59.2°F (15.1°C) at night.Humidity
The average relative humidity in September is 77%.Rainfall
The month with the least rainfall is September, when the rain falls for 13.2 days and typically collects 2.32" (59mm) of precipitation.Snowfall
May through October are months without snowfall.Daylight
In September, the average length of the day is 12h and 23min.On the first day of September, sunrise is at 6:11 am and sunset at 7:06 pm. On the last day of the month, sunrise is at 6:33 am and sunset at 6:23 pm CDT.
Sunshine
The average sunshine in September is 8.5h.UV index
In September, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the average person.Note: In September, a daily maximum UV index of 5 leads to the following instructions:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. To guard against the harmful effects of the Sun, minimize exposure during midday. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
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?
What is the driest month?
How much does it rain in September?
When it does not snow?
What is the average length of the day in September?
When is the sunrise / sunset in September?
How long on average sun shines in September?
How high is the UV index in September?
Average temperature in September
Greivertown, TN
- Average high temperature in September: 79.7°F
The warmest month (with the highest average high temperature) is July (86.4°F).
The month with the lowest average high temperature is January (43.7°F).
- Average low temperature in September: 59.2°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (29.1°F).
Average pressure in September
Greivertown, TN
- Average pressure in September: 30.03"Hg
The months with the highest atmospheric pressure are January and November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in September
Greivertown, TN
- Average wind speed in September: 4mph
The windiest month (with the highest average wind speed) is April (6.5mph).
The calmest month (with the lowest average wind speed) is August (3.8mph).
Average humidity in September
Greivertown, TN
- Average humidity in September: 77%
The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is November (76%).
Average rainfall in September
Greivertown, TN
- Average rainfall in September: 2.32"
The wettest month (with the highest rainfall) is July (4.29").
The driest month (with the least rainfall) is September (2.32").
Average rainfall days in September
Greivertown, TN
- Average rainfall days in September: 13.2 days
The month with the highest number of rainy days is July (19.4 days).
The month with the least rainy days is November (10.7 days).
Average snowfall in September
Greivertown, TN
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.18").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Greivertown, TN
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (3.3 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
Greivertown, 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 3min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The months with the least sunshine are January and December (Average sunshine: 4h and 54min).
Average sunshine days in September
Greivertown, TN
- Average sunshine days in September: 14.3 days
The months with the most sunshine days are October and November (18.5 days).
The month with the least sunshine days is July (9.4 days).
Average UV index in September
Greivertown, 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
Greivertown, TN
- Average cloud cover in September: 32
The month with the most cloud cover is February (Cloud cover 53).
The month with the least cloud cover is June (Cloud cover 31).
Average visibility in September
Greivertown, TN
- Average visibility in September: 5mi
The months with the highest visibility are April, June, October and November (6mi).
The months with the lowest visibility are January, February, March, May, July, August, September and December (5mi).
Greivertown, Tennessee, USA
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