September weather forecast
Duplex Mission, TN

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Weather in September

The first month of the autumn, September, is still a warm month in Duplex Mission, Tennessee, with an average temperature ranging between max 81.3°F (27.4°C) and min 61.9°F (16.6°C).

Temperature

Duplex Mission's average high-temperature in September is a moderately hot 81.3°F (27.4°C), marking an insignificant difference from the 86.5°F (30.3°C) of August. In Duplex Mission, the average temperature during the nights of September drops to a comfortable 61.9°F (16.6°C).

Heat index

For September, the heat index is computed to be a tropical 86°F (30°C). Enduring exposure and continuous activity might cause a feeling of tiredness and induce heat cramps.
Heat index data is primarily for areas with shade and subjected to light winds. Under direct sunshine, the heat index values might be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', comes about by integrating the temperature readings with the humidity levels. The influence of weather is personal, with varied individuals experiencing it differently due to differences in body mass, stature, and physical exertion levels. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Children often fail to understand the importance of rest and rehydration. Thirst is a late manifestation of dehydration - hence, it is crucial to stay hydrated, especially during ongoing physical activities.

Humidity

In Duplex Mission, the average relative humidity in September is 76%.

Rainfall

In September, the rain falls for 11.3 days. Throughout September, 0.98" (25mm) of precipitation is accumulated. In Duplex Mission, during the entire year, the rain falls for 141.9 days and collects up to 17.32" (440mm) of precipitation.

Snowfall

April 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 6:20 am and sunset at 7:14 pm. On the last day of the month, sunrise is at 6:42 am and sunset at 6:32 pm CDT.

Sunshine

The average sunshine in September is 8.6h.

UV index

In Duplex Mission, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for average individuals.
Note: The maximum daily UV index of 5 during September translates into the following directions:
Put precautions into practice - Ensuring skin and eye safety is a necessity. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.

Frequently asked questions

What are the temperatures in September?

The average high-temperature and low-temperature during September are 81.3°F (27.4°C) and 61.9°F (16.6°C) respectively. The average heat index (a.k.a. 'feels like', 'felt air temperature'), which represents the influence of relative humidity on air temperature, in September is computed to be 86°F (30°C).

What is the average humidity in September?

In September, the average relative humidity is 76%.

How many days does it rain in September?

In Duplex Mission, during September, the rain falls for 11.3 days and regularly aggregates up to 0.98" (25mm) of precipitation.

When it does not snow?

April through October are months without snowfall.

What is the average length of the day in September?

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

When are sunrise and sunset in September?

On the first day of September, sunrise is at 6:20 am and sunset at 7:14 pm. On the last day of the month, sunrise is at 6:42 am and sunset at 6:32 pm CDT.

How long on average sun shines in September in Duplex Mission?

The average sunshine duration in September in Duplex Mission is 8.6h.

What is the UV index reading in September in Duplex Mission?

In Duplex Mission, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium hazard to health from exposure to Sun's UV rays.
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
Duplex Mission, TN

Average temperature in September - Duplex Mission, TN
  • Average high temperature in September: 81.3°F

The warmest month (with the highest average high temperature) is July (87.4°F).
The month with the lowest average high temperature is January (45.3°F).

  • Average low temperature in September: 61.9°F

The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (30.9°F).

Average pressure in September
Duplex Mission, TN

Average pressure in September - Duplex Mission, 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 (29.97"Hg).

Average wind speed in September
Duplex Mission, TN

Average wind speed in September - Duplex Mission, TN
  • Average wind speed in September: 5mph

The windiest month (with the highest average wind speed) is February (8.4mph).
The calmest months (with the lowest average wind speed) are July and August (4.6mph).

Average humidity in September
Duplex Mission, TN

Average humidity in September - Duplex Mission, TN
  • Average humidity in September: 76%

The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is October (74%).

Average rainfall in September
Duplex Mission, TN

Average rainfall in September - Duplex Mission, TN
  • Average rainfall in September: 0.98"

The wettest month (with the highest rainfall) is July (2.17").
The driest month (with the least rainfall) is November (0.94").

Average rainfall days in September
Duplex Mission, TN

Average rainfall days in September - Duplex Mission, TN
  • Average rainfall days in September: 11.3 days

The month with the highest number of rainy days is July (17.9 days).
The month with the least rainy days is November (7.2 days).

Average snowfall in September
Duplex Mission, TN

Average snowfall in September - Duplex Mission, TN
  • Average snowfall in September: 0"

The months with the highest snowfall are February and December (0.2").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in September
Duplex Mission, TN

Average snowfall days in September - Duplex Mission, TN
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (2.1 days).
The months with the least snowfall days are April, May, June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Duplex Mission, TN

Average daylight in September / Average sunshine in September - Duplex Mission, 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 4min

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 36min).

Average sunshine days in September
Duplex Mission, TN

Average sunshine days in September - Duplex Mission, TN
  • Average sunshine days in September: 16.9 days

The month with the most sunshine days is November (21.3 days).
The month with the least sunshine days is July (11.3 days).

Average UV index in September
Duplex Mission, TN

Average UV index in September - Duplex Mission, TN
  • Average UV index in September: 5

The months with the highest UV index are May, June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 2).

Average cloud cover in September
Duplex Mission, TN

Average cloud cover in September - Duplex Mission, TN
  • Average cloud cover in September: 31

The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is June (Cloud cover 29).

Average visibility in September
Duplex Mission, TN

Average visibility in September - Duplex Mission, TN
  • Average visibility in September: 6mi

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

Duplex Mission, Tennessee, USA

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