September weather forecast and climate
Sims, NC

September, the first month of the autumn, in Sims, is also a moderately hot month, with temperature in the range of an average low of 64.9°F (18.3°C) and an average high of 81.5°F (27.5°C).

Temperature

In Sims, the average high-temperature is practically the same as in August - a warm 81.5°F (27.5°C). In Sims, in September, the average low-temperature is 64.9°F (18.3°C).

Heat index

The average heat index is appraised at a tropical 87.1°F (30.6°C). Constant exposure and activity lead to possible fatigue. Prolonged exercise may result in heat cramps.
Note that heat index values are valued for light wind and location in the shade. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like', 'real feel', 'apparent temperature', or 'felt air temperature', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. Additional factors like activity, differences in body mass, height, and shape, metabolic differences, and wind affect individual temperature impact. Be aware that direct exposure to sunlight increases heat impact, and may raise the heat index additionally, by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.

Humidity

Months with the highest humidity are May and September, with an average relative humidity of 78%.

Rainfall

In Sims, in September, during 13.9 rainfall days, 3.23" (82mm) of precipitation is typically accumulated. In Sims, during the entire year, the rain falls for 166.8 days and collects up to 33.62" (854mm) of precipitation.

Snowfall

April through November are months without snowfall.

Daylight

The average length of the day in Sims is 12.4h.

Sunshine

In September, the average sunshine in Sims is 9.1h.

UV index

The average daily maximum UV index in Sims is 5. A UV Index reading of 3 to 5 represents a moderate health risk from the exposure to the Sun's UV radiation for ordinary individuals.
Note: The daily maximum UV index of 5 interpret into the following advice:
Take precautions - Protection against sun damage is advised. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.

What is the temperature in September in Sims?

The average high-temperature, in September, in Sims, is 81.5°F (27.5°C), while the average low-temperature is 64.9°F (18.3°C). In September, the average heat index (a.k.a. 'apparent temperature', 'real feel'), that factores the actual air temperature with the relative humidity, is appraised at 87.1°F (30.6°C).

What are the most humid months in Sims?

May and September, with an average relative humidity of 78%, are most humid months.

What is the average humidity in September in Sims?

In Sims, North Carolina, the average relative humidity in September is 78%.

How many days does it rain in September in Sims?

In Sims, during September, the rain falls for 13.9 days and regularly aggregates up to 3.23" (82mm) of precipitation.

When it does not snow in Sims?

In Sims snow does not fall in April through November.

How many hours of daylight does Sims have in September?

The average length of the day in September in Sims is 12.4h.

How many hours of sunshine does Sims have in September?

The average sunshine in September in Sims, North Carolina, is 9.1h.

How high is the UV index in September in Sims?

In Sims, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from unprotected exposure to the UV radiation.
Average temperature in September - Sims, NC
  • Average high temperature in September: 27.5°C

The warmest month (with the highest average high temperature) is July (31.2°C).
The month with the lowest average high temperature is January (9.3°C).

  • Average low temperature in September: 18.3°C

The month with the highest average low temperature is July (21.6°C).
The coldest month (with the lowest average low temperature) is January (1.1°C).

Average pressure in September - Sims, NC
  • Average pressure in September: 1016.7mbar

The month with the highest atmospheric pressure is November (1020.7mbar).
The month with the lowest atmospheric pressure is June (1014.6mbar).

Average wind speed in September - Sims, NC
  • Average wind speed in September: 10.6km/h

The windiest month (with the highest average wind speed) is April (14.5km/h).
The calmest month (with the lowest average wind speed) is August (9.1km/h).

Average humidity in September - Sims, NC
  • Average humidity in September: 78%

Months with the highest relative humidity are May and September (78%).
Months with the lowest relative humidity are January, February, March, April and November (74%).

Average rainfall in September - Sims, NC
  • Average rainfall in September: 82mm

The wettest month (with the highest rainfall) is August (96mm).
The driest month (with the least rainfall) is January (57mm).

Average rainfall days in September - Sims, NC
  • Average rainfall days in September: 13.9 days

The month with the highest number of rainy days is August (18.6 days).
The month with the least rainy days is November (9.3 days).

Average snowfall in September - Sims, NC
  • Average snowfall in September: 0mm

The month with the highest snowfall is February (31mm).
Months with the least snowfall are April, May, June, July, August, September, October and November (0mm).

Average snowfall days in September - Sims, NC
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (1.9 days).
Months with the least snowfall days are April, May, June, July, August, September and October (0 days).

Average daylight in September / Average sunshine in September - Sims, NC
  • Average daylight in September: 12.4h

The month with the longest days is June (Average daylight: 14.6h).
The month with the shortest days is December (Average daylight: 9.8h).

  • Average sunshine in September: 9.1h

Months with the most sunshine are June and July (Average sunshine: 10.7h).
The month with the least sunshine is December (Average sunshine: 5.5h).

Average sunshine days in September - Sims, NC
  • Average sunshine days in September: 14.3 days

The month with the most sunshine days is November (19.2 days).
The month with the least sunshine days is August (10.2 days).

Average UV index in September - Sims, NC
  • Average UV index in September: 5

Months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is January (UV index 2).

Average cloud cover in September - Sims, NC
  • Average cloud cover in September: 36

Months with the most cloud cover are February and March (Cloud cover 42).
Months with the least cloud cover are June and July (Cloud cover 31).

Average visibility in September - Sims, NC
  • Average visibility in September: 9km

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).