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
September marks a gentle change in average high-temperature, declining from August's tropical 88.3°F (31.3°C) to a warm 82.8°F (28.2°C). An average low-temperature of 63°F (17.2°C) is noted during the nights in September.Heat index
The heat index value during September is evaluated at a hot 87.8°F (31°C). Persistent activity under exposure might lead to a feeling of weariness, with subsequent heat cramps.In reference to the heat index, it's for places in shade and with a slight wind. Direct sunlight can cause a surge in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is the result of factoring in humidity to the air temperature, indicating perceived warmth. One's perception of temperature can vary depending on physical activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. Consider the sun's direct rays and their impact; they can potentially increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Youngsters often neglect the necessity for rest and hydration. Thirst is a sign of advancing dehydration - thus the importance of maintaining hydration, specifically during long-lasting physical activities.
Humidity
In Sandy Springs, the average relative humidity in September is 72%.Rainfall
September is the month with the least rainfall in Sandy Springs. Rain falls for 10.3 days and accumulates 0.71" (18mm) of precipitation.Snowfall
In Sandy Springs, snow does not fall in April through November.Daylight
In September, the average length of the day is 12h and 23min.On the first day of September, sunrise is at 7:04 am and sunset at 7:56 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 7:16 pm EDT.
Sunshine
The average sunshine in September in Sandy Springs is 8.7h.UV index
In September, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for average individuals.Note: In September, a daily maximum UV index of 5 leads to the following instructions:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Frequently asked questions
How hot is September in Sandy Springs?
What is the average humidity in September in Sandy Springs?
What is the driest month in Sandy Springs?
How much does it rain in Sandy Springs in September?
When it does not snow in Sandy Springs?
What is the average length of the day in September in Sandy Springs?
When are sunrise and sunset in September in Sandy Springs?
How many hours of sunshine does Sandy Springs have in September?
How high is the UV index in September in Sandy Springs?
Average temperature in September
Sandy Springs, SC
- Average high temperature in September: 82.8°F
The warmest month (with the highest average high temperature) is July (90.3°F).
The month with the lowest average high temperature is January (49.6°F).
- Average low temperature in September: 63°F
The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (33.8°F).
Average pressure in September
Sandy Springs, SC
- Average pressure in September: 30.03"Hg
The months with the highest atmospheric pressure are January and November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).
Average wind speed in September
Sandy Springs, SC
- Average wind speed in September: 4.8mph
The windiest months (with the highest average wind speed) are February and April (6.5mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity in September
Sandy Springs, SC
- Average humidity in September: 72%
The month with the highest relative humidity is December (77%).
The month with the lowest relative humidity is July (70%).
Average rainfall in September
Sandy Springs, SC
- Average rainfall in September: 0.71"
The wettest month (with the highest rainfall) is August (2.01").
The driest month (with the least rainfall) is September (0.71").
Average rainfall days in September
Sandy Springs, SC
- Average rainfall days in September: 10.3 days
The month with the highest number of rainy days is July (16.1 days).
The month with the least rainy days is October (6.5 days).
Average snowfall in September
Sandy Springs, SC
- Average snowfall in September: 0"
The month with the highest snowfall is December (0.31").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in September
Sandy Springs, SC
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (0.8 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
Sandy Springs, 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: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
Average sunshine days in September
Sandy Springs, SC
- Average sunshine days in September: 16.6 days
The month with the most sunshine days is October (22.3 days).
The month with the least sunshine days is July (11.5 days).
Average UV index in September
Sandy Springs, SC
- Average UV index in September: 5
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in September
Sandy Springs, SC
- Average cloud cover in September: 30
The month with the most cloud cover is February (Cloud cover 42).
The months with the least cloud cover are June and July (Cloud cover 27).
Average visibility in September
Sandy Springs, 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).
Sandy Springs, South Carolina, USA
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