September weather forecast
Morrison, TN

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Weather in September

The first month of the autumn, September, is also a moderately hot month in Morrison, Tennessee, with an average temperature varying between 59.9°F (15.5°C) and 79.7°F (26.5°C).

Temperature

Morrison transitions into September recording an average high-temperature of a still warm 79.7°F (26.5°C), closely aligning with the preceding month's temperature. An average low-temperature of 59.9°F (15.5°C) is recorded during the nights in September in Morrison.

Humidity

In Morrison, the average relative humidity in September is 77%.

Rainfall

In Morrison, during September, the rain falls for 14.5 days and regularly aggregates up to 1.89" (48mm) of precipitation. Throughout the year, there are 177.3 rainfall days, and 31.02" (788mm) of precipitation is accumulated.

Snowfall

In Morrison, snow does not fall in May through October.

Daylight

In Morrison, the average length of the day in September is 12h and 23min.
On the first day of the month, sunrise is at 6:16 am and sunset at 7:10 pm. On the last day of September, sunrise is at 6:38 am and sunset at 6:28 pm CDT.

Sunshine

The average sunshine in September in Morrison is 8.2h.

UV index

In September, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The daily maximum UV index of 5 in September interprets into the following advice:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.

Frequently asked questions

What are the temperatures in September?

September temperatures vary between a high-temperature of 79.7°F (26.5°C) and a low-temperature of 59.9°F (15.5°C). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which combines air temperature and relative humidity, in August is appraised at 95°F (35°C).

What is the average humidity in September in Morrison?

The average relative humidity in September is 77%.

How many days does it rain in September?

In Morrison, Tennessee, during September, the rain falls for 14.5 days and regularly aggregates up to 1.89" (48mm) of precipitation.

When it does not snow?

In Morrison, snow does not fall in May through October.

What is the average length of the day in September?

In September, the average day length in Morrison is 12h and 23min.

When is the sunrise / sunset in September?

On the first day of September, sunrise is at 6:16 am and sunset at 7:10 pm. On the last day of the month, sunrise is at 6:38 am and sunset at 6:28 pm CDT.

How many hours of sunshine does Morrison have in September?

In September, the average sunshine duration is 8.2h.

What is the UV index reading in September?

In September, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate vulnerability from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Morrison, TN

Average temperature in September - Morrison, TN
  • Average high temperature in September: 79.7°F

The warmest month (with the highest average high temperature) is July (86°F).
The month with the lowest average high temperature is January (44.2°F).

  • Average low temperature in September: 59.9°F

The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (29.8°F).

Average pressure in September
Morrison, TN

Average pressure in September - Morrison, 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 (29.98"Hg).

Average wind speed in September
Morrison, TN

Average wind speed in September - Morrison, TN
  • Average wind speed in September: 4.5mph

The windiest month (with the highest average wind speed) is February (7.4mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).

Average humidity in September
Morrison, TN

Average humidity in September - Morrison, TN
  • Average humidity in September: 77%

The month with the highest relative humidity is December (81%).
The months with the lowest relative humidity are October and November (76%).

Average rainfall in September
Morrison, TN

Average rainfall in September - Morrison, TN
  • Average rainfall in September: 1.89"

The wettest month (with the highest rainfall) is July (3.82").
The driest month (with the least rainfall) is November (1.65").

Average rainfall days in September
Morrison, TN

Average rainfall days in September - Morrison, TN
  • Average rainfall days in September: 14.5 days

The month with the highest number of rainy days is July (20.9 days).
The month with the least rainy days is November (9.3 days).

Average snowfall in September
Morrison, TN

Average snowfall in September - Morrison, TN
  • Average snowfall in September: 0"

The month with the highest snowfall is February (0.51").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in September
Morrison, TN

Average snowfall days in September - Morrison, TN
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (3.6 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
Morrison, TN

Average daylight in September / Average sunshine in September - Morrison, TN
  • 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 48min).

  • Average sunshine in September: 8h and 1min

The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).

Average sunshine days in September
Morrison, TN

Average sunshine days in September - Morrison, TN
  • Average sunshine days in September: 13.3 days

The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is July (8.4 days).

Average UV index in September
Morrison, TN

Average UV index in September - Morrison, 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 and December (UV index 2).

Average cloud cover in September
Morrison, TN

Average cloud cover in September - Morrison, TN
  • Average cloud cover in September: 33

The month with the most cloud cover is February (Cloud cover 54).
The month with the least cloud cover is June (Cloud cover 30).

Average visibility in September
Morrison, TN

Average visibility in September - Morrison, TN
  • Average visibility in September: 5mi

The months with the highest visibility are February, April, June, October and November (6mi).
The months with the lowest visibility are January, March, May, July, August, September and December (5mi).

Morrison, Tennessee, USA

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