September weather forecast
Rockford, TN

Weather in September

September, the first month of the autumn in Rockford, is also a moderately hot month, with an average temperature fluctuating between 81.1°F (27.3°C) and 59.9°F (15.5°C).

Temperature

In Rockford, the average high-temperature in September slightly decreases from a tropical 86.7°F (30.4°C) in August to a warm 81.1°F (27.3°C). In September, in Rockford, Tennessee, the average low-temperature is 59.9°F (15.5°C).

Heat index

In September, the average heat index is estimated at 85.6°F (29.8°C). Exhaustion is likely with prolonged exposure and activity. Sustaining activity may result in heat cramps.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature', 'apparent temperature', 'feels like', or 'real feel', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. This effect is subjective, depending on the activity and individual's heat perception influenced by various reasons (wind, clothing, metabolic differences). 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 especially crucial for babies and toddlers. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.

Humidity

In Rockford, Tennessee, the average relative humidity in September is 74%.

Rainfall

In Rockford, it is raining for 11.4 days, with typically 1.46" (37mm) of accumulated precipitation. In Rockford, during the entire year, the rain falls for 149 days and collects up to 18.74" (476mm) of precipitation.

Snowfall

In Rockford, snow does not fall in April through September.

Daylight

In Rockford, the average length of the day in September is 12h and 23min.
On the first day of September, sunrise is at 7:07 am and sunset at 8:03 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 7:21 pm EDT.

Sunshine

The average sunshine in September is 8.6h.

UV index

In September, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for average individuals.
Note: The daily maximum UV index of 5 in September interpret into the following advice:
Take precautions - Protection against sun damage is advised. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the temperature in September in Rockford?

In September, in Rockford, Tennessee, the average high-temperature is 81.1°F (27.3°C), and the average low-temperature is 59.9°F (15.5°C). The average heat index (a.k.a. 'feels like', 'apparent temperature'), which factors the actual air temperature with the relative humidity, in September is estimated at 85.6°F (29.8°C).

What is the average humidity in September in Rockford?

The average relative humidity in September in Rockford, Tennessee, is 74%.

How much does it rain in Rockford in September?

In Rockford, during September, the rain falls for 11.4 days and regularly aggregates up to 1.46" (37mm) of precipitation.

When it does not snow in Rockford?

April through September are months without snowfall.

Does it snow in Rockford in September?

In Rockford, Tennessee, in September, it doesn't snow. In October, it regularly snows.

How many hours of daylight does Rockford have in September?

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

When is the sunrise / sunset in September in Rockford?

On the first day of September, sunrise is at 7:07 am and sunset at 8:03 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 7:21 pm EDT.

How many hours of sunshine does Rockford have in September?

In Rockford, the average sunshine duration in September is 8.6h.

What is the UV index reading in September in Rockford?

In September, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a medium hazard to health from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Rockford, TN

Average temperature in September - Rockford, TN
  • Average high temperature in September: 81.1°F

The warmest month (with the highest average high temperature) is July (87.6°F).
The month with the lowest average high temperature is January (44.8°F).

  • Average low temperature in September: 59.9°F

The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (29.5°F).

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Average pressure in September
Rockford, TN

Average pressure in September - Rockford, TN
  • Average pressure in September: 30.04"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).

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Average wind speed in September
Rockford, TN

Average wind speed in September - Rockford, TN
  • Average wind speed in September: 3.9mph

The windiest month (with the highest average wind speed) is April (5.9mph).
The calmest month (with the lowest average wind speed) is August (3.6mph).

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Average humidity in September
Rockford, TN

Average humidity in September - Rockford, TN
  • Average humidity in September: 74%

The month with the highest relative humidity is December (79%).
The month with the lowest relative humidity is August (72%).

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Average rainfall in September
Rockford, TN

Average rainfall in September - Rockford, TN
  • Average rainfall in September: 1.46"

The wettest month (with the highest rainfall) is July (2.2").
The driest month (with the least rainfall) is October (1.18").

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Average rainfall days in September
Rockford, TN

Average rainfall days in September - Rockford, TN
  • Average rainfall days in September: 11.4 days

The month with the highest number of rainy days is July (16.3 days).
The month with the least rainy days is November (8.7 days).

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Average snowfall in September
Rockford, TN

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

The month with the highest snowfall is February (0.98").
The months with the least snowfall are April, May, June, July, August and September (0").

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Average snowfall days in September
Rockford, TN

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

The month with the highest number of snowfall days is January (5.4 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in September /
Average sunshine in September
Rockford, TN

Average daylight in September / Average sunshine in September - Rockford, TN
  • Average daylight in September: 12h and 23min

The month with the longest days is June (Average daylight: 14h and 33min).
The month with the shortest days is December (Average daylight: 9h and 47min).

  • Average sunshine in September: 8h and 36min

The month with the most sunshine is June (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).

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Average sunshine days in September
Rockford, TN

Average sunshine days in September - Rockford, TN
  • Average sunshine days in September: 16.6 days

The month with the most sunshine days is November (19.3 days).
The months with the least sunshine days are February and July (12.5 days).

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Average UV index in September
Rockford, TN

Average UV index in September - Rockford, 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).

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Average cloud cover in September
Rockford, TN

Average cloud cover in September - Rockford, 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 27).

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Average visibility in September
Rockford, TN

Average visibility in September - Rockford, TN
  • Average visibility in September: 6mi

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

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