September weather forecast
Martins Crossroads, SC

Share

Weather in September

September, the first month of the autumn in Martins Crossroads, is also a moderately hot month, with an average temperature ranging between min 67.1°F (19.5°C) and max 84°F (28.9°C).

Temperature

The arrival of September records an average high-temperature of a warm 84°F (28.9°C), closely related to the 88.9°F (31.6°C) observed in August. In September, in Martins Crossroads, the average low-temperature is a refreshing 67.1°F (19.5°C).

Heat index

Throughout September, the heat index is calculated to be a tropical 93.2°F (34°C). Take more safety measures, heat exhaustion and heat cramps are potential outcomes. Persistent activity might lead to heatstroke.
For clarity, heat index numbers account for light winds and areas under shade. Exposure to the sun directly might heighten the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is the result of factoring in humidity to the air temperature, indicating perceived warmth. An individual's perception of weather can be influenced by a variety of factors including metabolic differences, being pregnant, and their degree of physical exertion. Should you be directly under the sun, anticipate a possible increase in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Children frequently do not comprehend the need for rest and hydration. Thirst is an advanced stage of dehydration - staying hydrated, especially during extended physical exercises, is essential.

Humidity

In Martins Crossroads, the average relative humidity in September is 78%.

Rainfall

In Martins Crossroads, during September, the rain falls for 16 days and regularly aggregates up to 3.03" (77mm) of precipitation. Throughout the year, there are 168.1 rainfall days, and 33.43" (849mm) of precipitation is accumulated.

Snowfall

In Martins Crossroads, snow does not fall in March through December.

Daylight

In Martins Crossroads, the average length of the day in September is 12h and 22min.
On the first day of September in Martins Crossroads, South Carolina, sunrise is at 6:54 am and sunset at 7:45 pm. On the last day of the month, sunrise is at 7:14 am and sunset at 7:05 pm EDT.

Sunshine

In September, the average sunshine in Martins Crossroads is 9.1h.

UV index

The average daily maximum UV index in September in Martins Crossroads, South Carolina, is 6. A UV Index reading of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The maximum daily UV index of 6 in September converts into the following recommendations:
Sustain precautions and conform to sun safety norms. Preventing sunburn is necessary. Avoid direct Sun exposure and seek shade between 10 a.m. and 4 p.m., when UV radiation is at its peak, but keep in mind that not all shade structures provide complete protection. During bright days, sunglasses that offer UVA and UVB defense are recommended.
[Resources]

Frequently asked questions

Is it hot in Martins Crossroads during September?

September temperatures in Martins Crossroads vary between a high-temperature of 84°F (28.9°C) and a low-temperature of 67.1°F (19.5°C). The average heat index (a.k.a. 'feels like', 'real feel'), which combines relative humidity and air temperature, in September is calculated to be 93.2°F (34°C).

What is the average humidity in September in Martins Crossroads?

In September, the average relative humidity is 78%.

How much does it rain in Martins Crossroads in September?

In Martins Crossroads, during September, the rain falls for 16 days and regularly aggregates up to 3.03" (77mm) of precipitation.

When it does not snow in Martins Crossroads?

March through December are months without snowfall in Martins Crossroads.

How many hours of daylight does Martins Crossroads have in September?

In September, the average day length is 12h and 22min.

When are sunrise and sunset in September in Martins Crossroads?

On the first day of September, sunrise is at 6:54 am and sunset at 7:45 pm. On the last day of the month, sunrise is at 7:14 am and sunset at 7:05 pm EDT.

How many hours of sunshine does Martins Crossroads have in September?

The average sunshine duration in September in Martins Crossroads, South Carolina, is 9.1h.

How high is the UV index in September in Martins Crossroads?

In September, the average daily maximum UV index in Martins Crossroads is 6. A UV Index estimate of 6 to 7 represents a high 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
Martins Crossroads, SC

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

The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is January (53.8°F).

  • Average low temperature in September: 67.1°F

The month with the highest average low temperature is July (72.9°F).
The coldest month (with the lowest average low temperature) is January (37.9°F).

[Resources]

Average pressure in September
Martins Crossroads, SC

Average pressure in September - Martins Crossroads, SC
  • Average pressure in September: 30"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).

[Resources]

Average wind speed in September
Martins Crossroads, SC

Average wind speed in September - Martins Crossroads, SC
  • Average wind speed in September: 6mph

The windiest month (with the highest average wind speed) is April (7.6mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

[Resources]

Average humidity in September
Martins Crossroads, SC

Average humidity in September - Martins Crossroads, SC
  • Average humidity in September: 78%

The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is January (73%).

[Resources]

Average rainfall in September
Martins Crossroads, SC

Average rainfall in September - Martins Crossroads, SC
  • Average rainfall in September: 3.03"

The wettest month (with the highest rainfall) is August (4.76").
The driest month (with the least rainfall) is January (1.46").

[Resources]

Average rainfall days in September
Martins Crossroads, SC

Average rainfall days in September - Martins Crossroads, SC
  • Average rainfall days in September: 16 days

The month with the highest number of rainy days is July (22.3 days).
The month with the least rainy days is November (8.1 days).

[Resources]

Average snowfall in September
Martins Crossroads, SC

Average snowfall in September - Martins Crossroads, SC
  • Average snowfall in September: 0"

The months with the highest snowfall are January and February (0.24").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").

[Resources]

Average snowfall days in September
Martins Crossroads, SC

Average snowfall days in September - Martins Crossroads, SC
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (0.6 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

[Resources]

Average daylight in September /
Average sunshine in September
Martins Crossroads, SC

Average daylight in September / Average sunshine in September - Martins Crossroads, 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: 10h and 0min).

  • Average sunshine in September: 9h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 54min).
The months with the least sunshine are January and December (Average sunshine: 5h and 42min).

[Resources]

Average sunshine days in September
Martins Crossroads, SC

Average sunshine days in September - Martins Crossroads, SC
  • Average sunshine days in September: 12.3 days

The month with the most sunshine days is November (21.2 days).
The month with the least sunshine days is July (6.1 days).

[Resources]

Average UV index in September
Martins Crossroads, SC

Average UV index in September - Martins Crossroads, SC
  • Average UV index in September: 6

The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February and December (UV index 3).

[Resources]

Average cloud cover in September
Martins Crossroads, SC

Average cloud cover in September - Martins Crossroads, SC
  • Average cloud cover in September: 33

The months with the most cloud cover are February and December (Cloud cover 41).
The month with the least cloud cover is October (Cloud cover 29).

[Resources]

Average visibility in September
Martins Crossroads, SC

Average visibility in September - Martins Crossroads, SC
  • 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).

[Resources]

Martins Crossroads, South Carolina, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location