Nashville
Tennessee, USA
Long-term weather forecast
Long-term weather forecast
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September weather forecast and Climate
Nashville, TN

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Overlooking the city buildings of Nashville, Tennessee, across the riverfront, with a big cruise ship ashore
Overlooking the city buildings of Nashville, Tennessee, across the riverfront, with a big cruise ship ashore
September is the beginning of the autumn season in Nashville and the time when the average humidity is at the highest of 74% in the year.
The average temperatures are in the range of 61°F (16.1°C) to 82°F (27.8°C) with plenty of sunny days. As the autumn advances, it brings cool breezes during the evenings, perfect for enjoying a walk in the many parks in Nashville.
Additionally, the miles of biking tracks see much activity during mornings and evenings when the temperatures are in the warm range.
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  • The average high temperature in September: 82.4°F

The warmest month (with the highest average high temperature) is July (89.3°F).
The month with the lowest average high temperature is January (46.9°F).

  • The average low temperature in September: 60.7°F

The month with the highest average low temperature is July (69.5°F).
The coldest month (with the lowest average low temperature) is January (28.4°F).

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  • The average humidity in September: 73.7%

The month with the highest relative humidity is September (73.7%).
The month with the lowest relative humidity is April (63.2%).

  • The average rainfall in September: 3.4"

The wettest month (with the highest rainfall) is May (5.5").
The driest month (with the lowest rainfall) is October (3").

  • The average rainfall days in September: 7.5 days

The month with the highest number of rainy days is May (11.7 days).
The month with the lowest number of rainy days is September (7.5 days).

  • The average snowfall in September: 0"

The month with the highest snowfall is January (2.6").
Months with the lowest snowfall are April, May, June, July, August, September, October and November (0").

  • The average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (2.3 days).
Months with the lowest number of snowfall days are April, May, June, July, August, September and November (0 days).

  • The average daylight in September: 12h

The month with the longest days is June (Average daylight: 15h).
Months with shortest days are January, November and December (Average daylight: 10h).

  • The average sunshine in September: 7.5h

The month with most sunshine is June (Average sunshine: 9.3h).
The month with least sunshine is December (Average sunshine: 4.2h).

  • The average UV index in September: 7

Months with the highest UV index are June and July (UV index 10).
Months with the lowest UV index are January and December (UV index 2).

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