September weather forecast
Halewood Hills, TN

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Weather in September

September, the first month of the autumn in Halewood Hills, is still a warm month, with temperature in the range of an average low of 62.6°F (17°C) and an average high of 81.9°F (27.7°C).

Temperature

The beginning of September brings a slight decrease in the average high-temperature, transitioning from a tropical 88°F (31.1°C) in August to a warm 81.9°F (27.7°C). Halewood Hills's temperature in September lowers to a consistent average of 62.6°F (17°C) during the nights.

Heat index

Throughout September, the heat index is appraised at a tropical 87.8°F (31°C). Uninterrupted exposure and activity might result in fatigue, potentially causing heat cramps.
Data suggests that the heat index is set for environments in shade and with a light wind. In the presence of direct sunshine, the heat index could be augmented by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is derived by integrating air temperature with the existing relative humidity to express the perceived warmth. The influence of weather can be personal, changing with an individual's body mass, height, and level of physical exertion. It is essential to be conscious of the fact that direct sunlight can intensify the felt heat, leading to an elevation in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Young individuals are generally in more danger than adults due to their lower capacity to sweat. Moreover, their large skin surface in relation to their small bodies and the increased heat generation from their activities makes them more vulnerable.

Humidity

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

Rainfall

In September, the rain falls for 12.1 days. Throughout September, 1.5" (38mm) of precipitation is accumulated. In Halewood Hills, during the entire year, the rain falls for 150.1 days and collects up to 24.41" (620mm) of precipitation.

Snowfall

May through October are months without snowfall in Halewood Hills.

Daylight

In September, the average length of the day is 12h and 23min.
On the first day of September, sunrise is at 6:18 am and sunset at 7:13 pm. On the last day of the month, sunrise is at 6:40 am and sunset at 6:30 pm CDT.

Sunshine

In Halewood Hills, the average sunshine in September is 8.4h.

UV index

In September, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: In September, a daily UV index of 5 turns into the following recommendations:
Prioritize safety - Recommendations to avert sunburn are shared. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.

Frequently asked questions

What is the temperature in September?

The high-temperature during September is 81.9°F (27.7°C) and the low-temperature is 62.6°F (17°C). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which factors the actual air temperature with the relative humidity, in September is appraised at 87.8°F (31°C).

What is the average humidity in September?

The average relative humidity in September in Halewood Hills is 74%.

How much does it rain in Halewood Hills in September?

In September, the rain falls for 12.1 days. Throughout September, 1.5" (38mm) of precipitation is accumulated.

When it does not snow?

In Halewood Hills, snow does not fall in May through October.

What is the average length of the day in September?

The average day length in September is 12h and 23min.

When are sunrise and sunset in September?

On the first day of September, sunrise is at 6:18 am and sunset at 7:13 pm. On the last day of the month, sunrise is at 6:40 am and sunset at 6:30 pm CDT.

How long on average sun shines in September?

The average sunshine duration in September is 8.4h.

What is the UV index intensity in September?

In September, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a medium hazard to health from exposure to the Sun's 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
Halewood Hills, TN

Average temperature in September - Halewood Hills, TN
  • Average high temperature in September: 81.9°F

The warmest month (with the highest average high temperature) is July (88.7°F).
The month with the lowest average high temperature is January (45.1°F).

  • Average low temperature in September: 62.6°F

The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (30.7°F).

Average pressure in September
Halewood Hills, TN

Average pressure in September - Halewood Hills, 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
Halewood Hills, TN

Average wind speed in September - Halewood Hills, TN
  • Average wind speed in September: 4.8mph

The windiest month (with the highest average wind speed) is February (8mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).

Average humidity in September
Halewood Hills, TN

Average humidity in September - Halewood Hills, TN
  • Average humidity in September: 74%

The month with the highest relative humidity is December (78%).
The months with the lowest relative humidity are June, August and October (73%).

Average rainfall in September
Halewood Hills, TN

Average rainfall in September - Halewood Hills, TN
  • Average rainfall in September: 1.5"

The wettest month (with the highest rainfall) is July (3.19").
The driest month (with the least rainfall) is November (1.38").

Average rainfall days in September
Halewood Hills, TN

Average rainfall days in September - Halewood Hills, TN
  • Average rainfall days in September: 12.1 days

The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is November (7.7 days).

Average snowfall in September
Halewood Hills, TN

Average snowfall in September - Halewood Hills, TN
  • Average snowfall in September: 0"

The month with the highest snowfall is January (0.71").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in September
Halewood Hills, TN

Average snowfall days in September - Halewood Hills, TN
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (3.5 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
Halewood Hills, TN

Average daylight in September / Average sunshine in September - Halewood Hills, TN
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 48min).

  • Average sunshine in September: 8h and 2min

The months with the most sunshine are June and July (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).

Average sunshine days in September
Halewood Hills, TN

Average sunshine days in September - Halewood Hills, TN
  • Average sunshine days in September: 15.6 days

The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is July (11.8 days).

Average UV index in September
Halewood Hills, TN

Average UV index in September - Halewood Hills, 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 February and December (UV index 2).

Average cloud cover in September
Halewood Hills, TN

Average cloud cover in September - Halewood Hills, TN
  • Average cloud cover in September: 32

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
Halewood Hills, TN

Average visibility in September - Halewood Hills, TN
  • Average visibility in September: 6mi

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

Halewood Hills, Tennessee, USA

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