September weather forecast
Ridgeway, SC

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Weather in September

September, the first month of the autumn in Ridgeway, is also a moderately hot month, with an average temperature varying between 84°F (28.9°C) and 65.3°F (18.5°C).

Temperature

In September, the meteorological conditions change slightly, with the average high-temperature moving from a hot 89.6°F (32°C) in August to a warm 84°F (28.9°C). Ridgeway usually reports an average low-temperature of 65.3°F (18.5°C) during the month of September.

Heat index

The heat index in September is calculated to be a tropical 91.4°F (33°C). Extra precautions are necessary, heat cramps and heat exhaustion are plausible outcomes. Extended activity could lead to heatstroke.
One should consider that heat index numbers are for shaded settings and light wind. The presence of direct sunlight can raise the heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is an estimation of the warmth sensation when considering humidity levels. Depending on the activity and the individual's heat perception, which may vary due to factors including wind, clothing, and metabolic variations, this effect remains subjective. One should be aware that direct sunshine can amplify the perceived temperature, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Children frequently underestimate the necessity to rest and hydrate. Thirst is a late sign of dehydration - thus, it is vital to stay hydrated, particularly during lengthy physical exercises.

Humidity

In Ridgeway, the average relative humidity in September is 73%.

Rainfall

The month with the least rainfall in Ridgeway is September, when the rain falls for 12.7 days and typically collects 1.85" (47mm) of precipitation.

Snowfall

April through October are months without snowfall.

Daylight

In Ridgeway, the average length of the day in September is 12h and 23min.
On the first day of the month, sunrise is at 6:57 am and sunset at 7:49 pm. On the last day of September, sunrise is at 7:18 am and sunset at 7:08 pm EDT.

Sunshine

The average sunshine in September is 8.7h.

UV index

The average daily maximum UV index in September is 6. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for the average person.
Note: The UV index of 6 during September leads to these advisories:
Evade overexposure. Individuals with fair skin risk burning in under 20 minutes. The time between 10 a.m. and 4 p.m. is when UV radiation is at its peak. Limit exposure to direct sunlight during these hours. Boost your sun resistance with garments that are densely woven yet spacious.

Frequently asked questions

How hot does it get in September?

Ridgeway in September has an average high-temperature of 84°F (28.9°C) and an average low-temperature of 65.3°F (18.5°C). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which represents the influence of relative humidity on air temperature, in September is calculated to be 91.4°F (33°C).

What is the average humidity in September?

In Ridgeway, the average relative humidity in September is 73%.

What is the driest month?

The month with the least rainfall is September, when the rain falls for 12.7 days and typically collects 1.85" (47mm) of precipitation.

How many days does it rain in September?

In Ridgeway, in September, it is raining for 12.7 days, with typically 1.85" (47mm) of accumulated precipitation.

When it does not snow in Ridgeway?

April through October are months without snowfall.

How many hours of daylight does Ridgeway have 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 6:57 am and sunset at 7:49 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 7:08 pm EDT.

How long on average sun shines in September?

The average sunshine duration in September is 8.7h.

What is the UV index intensity in September?

The average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high health risk 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
Ridgeway, SC

Average temperature in September - Ridgeway, SC
  • Average high temperature in September: 84°F

The warmest month (with the highest average high temperature) is July (91.6°F).
The month with the lowest average high temperature is January (51.4°F).

  • Average low temperature in September: 65.3°F

The month with the highest average low temperature is July (71.8°F).
The coldest month (with the lowest average low temperature) is January (36.1°F).

Average pressure in September
Ridgeway, SC

Average pressure in September - Ridgeway, SC
  • Average pressure in September: 30.02"Hg

The months with the highest atmospheric pressure are January, November and December (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).

Average wind speed in September
Ridgeway, SC

Average wind speed in September - Ridgeway, SC
  • Average wind speed in September: 5.5mph

The windiest months (with the highest average wind speed) are February and April (7.9mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).

Average humidity in September
Ridgeway, SC

Average humidity in September - Ridgeway, SC
  • Average humidity in September: 73%

The months with the highest relative humidity are May and December (75%).
The months with the lowest relative humidity are June, July and November (71%).

Average rainfall in September
Ridgeway, SC

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

The wettest month (with the highest rainfall) is December (3.5").
The driest month (with the least rainfall) is September (1.85").

Average rainfall days in September
Ridgeway, SC

Average rainfall days in September - Ridgeway, SC
  • Average rainfall days in September: 12.7 days

The month with the highest number of rainy days is July (18 days).
The months with the least rainy days are October and November (9 days).

Average snowfall in September
Ridgeway, SC

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

The month with the highest snowfall is February (0.83").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in September
Ridgeway, SC

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

The month with the highest number of snowfall days is February (1.2 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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

Average daylight in September / Average sunshine in September - Ridgeway, SC
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 14h and 24min).
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
Ridgeway, SC

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

The month with the most sunshine days is October (20.9 days).
The month with the least sunshine days is July (10.5 days).

Average UV index in September
Ridgeway, SC

Average UV index in September - Ridgeway, SC
  • Average UV index in September: 6

The months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is January (UV index 2).

Average cloud cover in September
Ridgeway, SC

Average cloud cover in September - Ridgeway, 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 28).

Average visibility in September
Ridgeway, SC

Average visibility in September - Ridgeway, 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).

Ridgeway, South Carolina, USA

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