Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
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.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is it in Montmorenci in September?
What is the average humidity in September in Montmorenci?
What is the driest month in Montmorenci?
How much does it rain in Montmorenci in September?
When it does not snow in Montmorenci?
What is the average length of the day in September in Montmorenci?
When are sunrise and sunset in September in Montmorenci?
How many hours of sunshine does Montmorenci have in September?
What is the UV index reading in September in Montmorenci?
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).
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).
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).
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%).
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").
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).
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").
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).
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).
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).
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).
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).
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).
Montmorenci, South Carolina, USA
Weather forecast for your location
2. Allow the app to use your location