September weather forecast
Sardinia, SC

Share

Weather in September

September, the first month of the autumn in Sardinia, is still a warm month, with an average temperature fluctuating between 83.8°F (28.8°C) and 67.1°F (19.5°C).

Temperature

As Sardinia welcomes September, the average high-temperature records at a warm 83.8°F (28.8°C), marking an insignificant deviation from the prior month. In September, the nighttime temperature lowers to an average of 67.1°F (19.5°C).

Heat index

The heat index value for September is appraised at a hot 93.2°F (34°C). Exercise special caution, heat exhaustion and heat cramps are probable. Prolonged activity may induce heatstroke.
Heat index's context suggests values are appropriate for shady areas and slight breezes. The direct sun can potentially cause the heat index to increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', reflects the blend of air temperature and relative humidity to give a temperature impression. This impact is subjective, influenced by the person's physical activity and individual heat perception, affected by factors including wind, attire, and metabolic differences. Awareness of direct sun exposure is crucial as it has the potential to heighten the weather's effects, pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Young individuals are generally in more danger than adults due to their lower capacity to sweat. Moreover, their large skin surface in relation to their small bodies and the increased heat generation from their activities makes them more vulnerable.

Humidity

The average relative humidity in September is 77%.

Rainfall

In September, the rain falls for 13.9 days. Throughout September, 2.44" (62mm) of precipitation is accumulated. Throughout the year, there are 158.1 rainfall days, and 30.28" (769mm) of precipitation is accumulated.

Snowfall

In Sardinia, snow does not fall in March through November.

Daylight

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

Sunshine

The average sunshine in September in Sardinia is 9h.

UV index

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 rays for average individuals.
Note: A maximum daily UV index of 6 during September morphs into the following directions:
Use protective steps and abide by sun safety guidelines. Safeguarding against skin and eye harm is necessary. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Experience reduced UV exposure by about half when donning a wide-brim hat.

Frequently asked questions

How hot does it get in September?

The average high-temperature, in September, in Sardinia, is 83.8°F (28.8°C), while the average low-temperature is 67.1°F (19.5°C). The average heat index (a.k.a. 'apparent temperature', 'real feel'), which factors the actual air temperature with the relative humidity, in September is appraised at 93.2°F (34°C).

What is the average humidity in September?

In September, the average relative humidity is 77%.

How many days does it rain in September?

In September, the rain falls for 13.9 days. Throughout September, 2.44" (62mm) of precipitation is accumulated.

When it does not snow?

March through November are months without snowfall.

How many hours of daylight does Sardinia have in September?

The average day length in September is 12h and 22min.

When is the sunrise / sunset in September?

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

How long on average sun shines in September?

In September, the average sunshine duration is 9h.

What is the UV index reading in September?

In September, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes a high health threat 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
Sardinia, SC

Average temperature in September - Sardinia, SC
  • Average high temperature in September: 83.8°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 (53.6°F).

  • Average low temperature in September: 67.1°F

The month with the highest average low temperature is July (73°F).
The coldest month (with the lowest average low temperature) is January (38.1°F).

Average pressure in September
Sardinia, SC

Average pressure in September - Sardinia, SC
  • Average pressure in September: 30.01"Hg

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

Average wind speed in September
Sardinia, SC

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

The windiest month (with the highest average wind speed) is April (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).

Average humidity in September
Sardinia, SC

Average humidity in September - Sardinia, SC
  • Average humidity in September: 77%

The month with the highest relative humidity is May (78%).
The months with the lowest relative humidity are January and November (72%).

Average rainfall in September
Sardinia, SC

Average rainfall in September - Sardinia, SC
  • Average rainfall in September: 2.44"

The wettest months (with the highest rainfall) are August and December (3.23").
The driest month (with the least rainfall) is January (1.65").

Average rainfall days in September
Sardinia, SC

Average rainfall days in September - Sardinia, SC
  • Average rainfall days in September: 13.9 days

The months with the highest number of rainy days are July and August (18.8 days).
The month with the least rainy days is November (8 days).

Average snowfall in September
Sardinia, SC

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

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

Average snowfall days in September
Sardinia, SC

Average snowfall days in September - Sardinia, 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 March, April, May, June, July, August, September, October and November (0 days).

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

Average daylight in September / Average sunshine in September - Sardinia, 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: 9h and 0min

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 36min).

Average sunshine days in September
Sardinia, SC

Average sunshine days in September - Sardinia, SC
  • Average sunshine days in September: 14 days

The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is July (9.2 days).

Average UV index in September
Sardinia, SC

Average UV index in September - Sardinia, 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).

Average cloud cover in September
Sardinia, SC

Average cloud cover in September - Sardinia, SC
  • Average cloud cover in September: 32

The months with the most cloud cover are February and December (Cloud cover 40).
The month with the least cloud cover is October (Cloud cover 27).

Average visibility in September
Sardinia, SC

Average visibility in September - Sardinia, 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).

Sardinia, South Carolina, USA

Weather forecast for your location

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