September weather forecast
Spring Hill, TN

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Weather in September

September in Spring Hill witnesses the onset of autumn, accompanied by a marked decrease in heat from the preceding summer months. September's weather has unique characteristics, including the lowest average monthly rainfall, which measures at 0.98" (25mm). The decrease in average temperatures from August is apparent, paving the path for the arrival of fall. This month sees nature's hues shift, from the vibrant greens of summer to the golden and red undertones of autumn. Despite the occasional rainfall, September promises extensive periods of clear and sunny days, perfect for autumn walks.

Temperature

The commencement of September in Spring Hill introduces an average high-temperature of a warm 81.3°F (27.4°C), closely mirroring the preceding month. An average low-temperature of 61.9°F (16.6°C) is recorded in the month of September in Spring Hill.

Heat index

In September, the heat index is computed to be a tropical 86°F (30°C). Exhaustion might be the outcome of enduring exposure and continuous activity, with a risk of heat cramps.
In terms of the heat index, values are set with light wind and shade conditions in mind. Being under direct sunlight might amplify the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', binds temperature metrics with humidity values to give a sense of the actual warmth. The impact of weather is individual, with diverse individuals experiencing it differently due to variations in body mass, height, and activity levels. Being aware that direct sunlight can impact the felt heat might mean an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Youngsters are usually more at risk than adults, considering they sweat less. Additionally, their high skin surface area compared to their little bodies and their high heat production due to activity increases their risk.

Humidity

In Spring Hill, the average relative humidity in September is 76%.

Rainfall

In Spring Hill, during September, the rain falls for 11.3 days and regularly aggregates up to 0.98" (25mm) of precipitation. Throughout the year, there are 141.9 rainfall days, and 17.32" (440mm) of precipitation is accumulated.

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

Sunshine

The average sunshine in September in Spring Hill is 8.6h.

UV index

The average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the average person.
Note: A maximum daily UV index of 5 during September morphs into the following directions:
Guard yourself - Precautionary measures against sun damage are advocated. The Sun's radiation is especially intense around midday; try to stay in shade during this period. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
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Frequently asked questions

What is the average September temperature in Spring Hill?

The high-temperature, in September, in Spring Hill, records 81.3°F (27.4°C), while the low-temperature is 61.9°F (16.6°C). The average heat index (a.k.a. 'apparent temperature', 'feels like'), 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 Spring Hill?

In September, the average relative humidity in Spring Hill, Tennessee, is 76%.

How many days does it rain in September in Spring Hill?

In September, in Spring Hill, Tennessee, the rain falls for 11.3 days. Throughout September, 0.98" (25mm) of precipitation is accumulated.

When it does not snow in Spring Hill?

In Spring Hill, Tennessee, snow does not fall in April through October.

How many hours of daylight does Spring Hill have in September?

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

When is the sunrise / sunset in September in Spring Hill?

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

How long on average sun shines in September in Spring Hill?

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

What is the UV index reading in September in Spring Hill?

In Spring Hill, Tennessee, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate health threat 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
Spring Hill, TN

Average temperature in September - Spring Hill, 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).

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Average pressure in September
Spring Hill, TN

Average pressure in September - Spring Hill, 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).

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Average wind speed in September
Spring Hill, TN

Average wind speed in September - Spring Hill, 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).

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Average humidity in September
Spring Hill, TN

Average humidity in September - Spring Hill, 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%).

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Average rainfall in September
Spring Hill, TN

Average rainfall in September - Spring Hill, 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").

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Average rainfall days in September
Spring Hill, TN

Average rainfall days in September - Spring Hill, 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).

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Average snowfall in September
Spring Hill, TN

Average snowfall in September - Spring Hill, 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").

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Average snowfall days in September
Spring Hill, TN

Average snowfall days in September - Spring Hill, 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).

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Average daylight in September /
Average sunshine in September
Spring Hill, TN

Average daylight in September / Average sunshine in September - Spring Hill, 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).

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Average sunshine days in September
Spring Hill, TN

Average sunshine days in September - Spring Hill, 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).

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Average UV index in September
Spring Hill, TN

Average UV index in September - Spring Hill, 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).

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Average cloud cover in September
Spring Hill, TN

Average cloud cover in September - Spring Hill, 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).

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Average visibility in September
Spring Hill, TN

Average visibility in September - Spring Hill, 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).

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Spring Hill, Tennessee, USA

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