September weather forecast
Lockhart, SC

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Weather in September

September, the first month of the autumn in Lockhart, is also a moderately hot month, with an average temperature fluctuating between 63.7°F (17.6°C) and 84.4°F (29.1°C).

Temperature

Lockhart experiences a moderate temperature shift at the start of September, with average high-temperatures adjusting a bit from a tropical 89.8°F (32.1°C) in August to a warm 84.4°F (29.1°C). In Lockhart, September nights cool down to an average of 63.7°F (17.6°C).

Heat index

For most parts of September, the heat index is evaluated at a tropical 91.4°F (33°C). Take more safety measures, heat exhaustion and heat cramps are potential outcomes. Persistent activity might lead to heatstroke.
Heat index details are generally centered around shaded locations and a mild breeze. Heat index values might soar by up to 15 Fahrenheit (8 Celsius) degrees with exposure to direct sunshine.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is the outcome of merging air's temperature and its humidity metrics. An individual's temperature experience can be influenced by extra factors, including metabolic differences, activity levels, and clothing. Consider the fact that direct sun exposure can influence how hot one feels, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Kids frequently ignore the importance of taking a break and rehydrating. Thirst is a late symptom of dehydration - thus, it is crucial to stay hydrated, especially during long-lasting physical activities.

Humidity

The average relative humidity in September is 72%.

Rainfall

September is the month with the least rainfall. Rain falls for 12.6 days and accumulates 1.85" (47mm) of precipitation.

Snowfall

April through November are months without snowfall.

Daylight

The average length of the day in September in Lockhart is 12h and 23min.
On the first day of the month, sunrise is at 6:59 am and sunset at 7:51 pm. On the last day of September, sunrise is at 7:20 am and sunset at 7:10 pm EDT.

Sunshine

In Lockhart, the average sunshine in September is 8.6h.

UV index

In Lockhart, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: In September, the UV index of 5 transforms into the following advice:
Exercise prevention - Precautions against solar damage are endorsed. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is September in Lockhart?

During September, Lockhart experiences an average high-temperature of 84.4°F (29.1°C) and a low-temperature of 63.7°F (17.6°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 evaluated at 91.4°F (33°C).

What is the average humidity in September in Lockhart?

The average relative humidity in September is 72%.

What is the driest month in Lockhart?

The month with the least rainfall in Lockhart is September, when the rain falls for 12.6 days and typically collects 1.85" (47mm) of precipitation.

How many days does it rain in September in Lockhart?

In Lockhart, South Carolina, during September, the rain falls for 12.6 days and regularly aggregates up to 1.85" (47mm) of precipitation.

When it does not snow in Lockhart?

April through November are months without snowfall in Lockhart, South Carolina.

What is the average length of the day in September in Lockhart?

The average day length in September in Lockhart, South Carolina, is 12h and 23min.

When are sunrise and sunset in September in Lockhart?

In September, on the first day of the month, sunrise is at 6:59 am and sunset at 7:51 pm. On the last day of the month, in Lockhart, South Carolina, sunrise is at 7:20 am and sunset at 7:10 pm EDT.

How many hours of sunshine does Lockhart have in September?

The average sunshine duration in September in Lockhart, South Carolina, is 8.6h.

What is the UV index intensity in September in Lockhart?

The average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium hazard to health 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
Lockhart, SC

Average temperature in September - Lockhart, SC
  • Average high temperature in September: 84.4°F

The warmest month (with the highest average high temperature) is July (91.9°F).
The month with the lowest average high temperature is January (50.5°F).

  • Average low temperature in September: 63.7°F

The month with the highest average low temperature is July (70°F).
The coldest month (with the lowest average low temperature) is January (34.3°F).

Average pressure in September
Lockhart, SC

Average pressure in September - Lockhart, SC
  • Average pressure in September: 30.03"Hg

The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).

Average wind speed in September
Lockhart, SC

Average wind speed in September - Lockhart, SC
  • Average wind speed in September: 5mph

The windiest month (with the highest average wind speed) is April (7.1mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).

Average humidity in September
Lockhart, SC

Average humidity in September - Lockhart, SC
  • Average humidity in September: 72%

The month with the highest relative humidity is December (76%).
The month with the lowest relative humidity is July (69%).

Average rainfall in September
Lockhart, SC

Average rainfall in September - Lockhart, SC
  • Average rainfall in September: 1.85"

The wettest month (with the highest rainfall) is August (3.31").
The driest month (with the least rainfall) is September (1.85").

Average rainfall days in September
Lockhart, SC

Average rainfall days in September - Lockhart, SC
  • Average rainfall days in September: 12.6 days

The month with the highest number of rainy days is July (18.5 days).
The month with the least rainy days is November (8.9 days).

Average snowfall in September
Lockhart, SC

Average snowfall in September - Lockhart, SC
  • Average snowfall in September: 0"

The month with the highest snowfall is December (1.06").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

Average snowfall days in September
Lockhart, SC

Average snowfall days in September - Lockhart, SC
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (1.3 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

Average daylight in September /
Average sunshine in September
Lockhart, SC

Average daylight in September / Average sunshine in September - Lockhart, SC
  • 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 54min).

  • Average sunshine in September: 8h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).

Average sunshine days in September
Lockhart, SC

Average sunshine days in September - Lockhart, SC
  • Average sunshine days in September: 15.7 days

The month with the most sunshine days is October (20.7 days).
The month with the least sunshine days is July (9.3 days).

Average UV index in September
Lockhart, SC

Average UV index in September - Lockhart, SC
  • 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 January (UV index 2).

Average cloud cover in September
Lockhart, SC

Average cloud cover in September - Lockhart, SC
  • Average cloud cover in September: 31

The months with the most cloud cover are February and December (Cloud cover 42).
The month with the least cloud cover is June (Cloud cover 29).

Average visibility in September
Lockhart, SC

Average visibility in September - Lockhart, SC
  • 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).

Lockhart, South Carolina, USA

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