September weather forecast
Montmorenci, SC

Share

Weather in September

September, the first month of the autumn in Montmorenci, is still a warm month, with an average temperature varying between 67.1°F (19.5°C) and 84.6°F (29.2°C).

Temperature

As September takes hold, the average high-temperature is a warm 84.6°F (29.2°C), nearly mirroring that of the previous month. During September, Montmorenci sees a mean low-temperature of 67.1°F (19.5°C).

Heat index

The average heat index in September is calculated to be a tropical 93.2°F (34°C). Adopt extra preventive measures, the occurrence of heat cramps and heat exhaustion is likely. Heatstroke may follow extended activity.
It is worth noting that heat index values are gauged for conditions in the shade and light breezes. Exposure to the direct sun might augment heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is found by incorporating humidity levels into the air temperature measurement. This impact is subjective, influenced by the person's physical activity and individual heat perception, affected by factors including wind, attire, and metabolic differences. With the sun shining directly, it's crucial to understand that it can increase the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Young ones often ignore the need to take a break and drink fluids. Thirst is a late-stage symptom of dehydration - hence, maintaining hydration, particularly during extended physical activities, is crucial.

Humidity

The average relative humidity in September is 72%.

Rainfall

The month with the least rainfall in Montmorenci is September, when the rain falls for 12.1 days and typically collects 1.5" (38mm) of precipitation.

Snowfall

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

Daylight

In September, the average length of the day is 12h and 22min.
On the first day of September, sunrise is at 7:01 am and sunset at 7:51 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 7:11 pm EDT.

Sunshine

The average sunshine in September in Montmorenci is 8.6h.

UV index

In September, the average daily maximum UV index in Montmorenci is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for average individuals.
Note: The daily maximum UV index of 6 in September interprets into the following advice:
Take precautions and utilize sun safety practices. Protection against skin and eye damage is required. Seek shade and limit direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Keep in mind that shade structures like parasols or canopies do not offer complete sun protection. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
[Resources]

Frequently asked questions

How hot is it in Montmorenci in September?

During September, Montmorenci experiences an average high-temperature of 84.6°F (29.2°C) and a low-temperature of 67.1°F (19.5°C). The average heat index (a.k.a. 'feels like', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, in September is calculated to be 93.2°F (34°C).

What is the average humidity in September in Montmorenci?

The average relative humidity in September in Montmorenci is 72%.

What is the driest month in Montmorenci?

September is the month with the least rainfall in Montmorenci. Rain falls for 12.1 days and accumulates 1.5" (38mm) of precipitation.

How much does it rain in Montmorenci in September?

In Montmorenci, during September, the rain falls for 12.1 days and regularly aggregates up to 1.5" (38mm) of precipitation.

When it does not snow in Montmorenci?

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

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

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

When are sunrise and sunset in September in Montmorenci?

On the first day of September in Montmorenci, South Carolina, sunrise is at 7:01 am and sunset at 7:51 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 7:11 pm EDT.

How many hours of sunshine does Montmorenci have in September?

The average sunshine duration in September in Montmorenci is 8.6h.

What is the UV index reading in September in Montmorenci?

The average daily maximum UV index in September is 6. A UV Index of 6 to 7 symbolizes a high hazard to health 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
Montmorenci, SC

Average temperature in September - Montmorenci, SC
  • Average high temperature in September: 84.6°F

The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (53.2°F).

  • Average low temperature in September: 67.1°F

The month with the highest average low temperature is July (73.6°F).
The coldest month (with the lowest average low temperature) is January (37.9°F).

[Resources]

Average pressure in September
Montmorenci, SC

Average pressure in September - Montmorenci, SC
  • Average pressure in September: 30.01"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).

[Resources]

Average wind speed in September
Montmorenci, SC

Average wind speed in September - Montmorenci, SC
  • Average wind speed in September: 6.2mph

The windiest months (with the highest average wind speed) are February and April (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).

[Resources]

Average humidity in September
Montmorenci, SC

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

The month with the highest relative humidity is December (75%).
The months with the lowest relative humidity are July and November (70%).

[Resources]

Average rainfall in September
Montmorenci, SC

Average rainfall in September - Montmorenci, SC
  • Average rainfall in September: 1.5"

The wettest month (with the highest rainfall) is December (3.15").
The driest month (with the least rainfall) is September (1.5").

[Resources]

Average rainfall days in September
Montmorenci, SC

Average rainfall days in September - Montmorenci, SC
  • Average rainfall days in September: 12.1 days

The month with the highest number of rainy days is July (17.4 days).
The months with the least rainy days are October and November (7.7 days).

[Resources]

Average snowfall in September
Montmorenci, SC

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

The months with the highest snowfall are January and February (0.28").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

[Resources]

Average snowfall days in September
Montmorenci, SC

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

The month with the highest number of snowfall days is January (0.4 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
Montmorenci, SC

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

The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).

  • 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).

[Resources]

Average sunshine days in September
Montmorenci, SC

Average sunshine days in September - Montmorenci, SC
  • Average sunshine days in September: 16 days

The month with the most sunshine days is October (22 days).
The month with the least sunshine days is July (10.8 days).

[Resources]

Average UV index in September
Montmorenci, SC

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

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

[Resources]

Average cloud cover in September
Montmorenci, SC

Average cloud cover in September - Montmorenci, SC
  • Average cloud cover in September: 30

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 27).

[Resources]

Average visibility in September
Montmorenci, SC

Average visibility in September - Montmorenci, 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).

[Resources]

Montmorenci, South Carolina, USA

Weather forecast for your location

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