September weather forecast
Frisco, NC

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Weather in September

The first month of the autumn, September, is also a moderately hot month in Frisco, North Carolina, with an average temperature fluctuating between 75.2°F (24°C) and 77.9°F (25.5°C).

Temperature

Frisco's September average high-temperature settles at a still moderately hot 77.9°F (25.5°C), showing a near match with the preceding month. Frisco, during the nights of September, averages a temperature close to its daytime high, at a still moderately hot 75.2°F (24°C).

Humidity

The average relative humidity in September is 77%.

Rainfall

In Frisco, in September, it is raining for 9 days, with typically 0.55" (14mm) of accumulated precipitation. In Frisco, during the entire year, the rain falls for 100.9 days and collects up to 8.58" (218mm) of precipitation.

Snowfall

In Frisco, snow does not fall in April through November.

Daylight

The average length of the day in September is 12h and 23min.
On the first day of the month, sunrise is at 6:35 am and sunset at 7:29 pm. On the last day of September, sunrise is at 6:57 am and sunset at 6:47 pm EDT.

Sunshine

In September, the average sunshine is 9.7h.

UV index

In September, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for the ordinary person.
Note: The maximum UV index, 6 during September, leads to the following recommendations:
Inhibit overexposure. Warding off sun damage is of utmost importance. UV radiation from the sun is at its strongest between 10 a.m. and 4 p.m. Try to limit direct exposure during these hours. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.

Frequently asked questions

What is the usual temperature for Frisco in September?

The average high-temperature and low-temperature during September are 77.9°F (25.5°C) and 75.2°F (24°C) respectively. In August, the average heat index (a.k.a. 'real feel', 'feels like'), which calculates the temperature value influenced by the moisture in the air, is calculated to be 86°F (30°C).

What is the average humidity in September?

The average relative humidity in September is 77%.

How many days does it rain in September?

In September, the rain falls for 9 days. Throughout September, 0.55" (14mm) of precipitation is accumulated.

When it does not snow?

In Frisco, snow does not fall in April through November.

What is the average length of the day in September?

The average day length in September is 12h and 23min.

What time are sunrise and sunset in September in Frisco?

In September, on the first day of the month, sunrise is at 6:35 am and sunset at 7:29 pm. On the last day of the month, sunrise is at 6:57 am and sunset at 6:47 pm EDT.

How long on average sun shines in September?

The average sunshine duration in September is 9.7h.

What is the UV index intensity in September?

In Frisco, the average daily maximum UV index in September is 6. A UV Index value of 6 to 7 symbolizes a high health threat from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Frisco, NC

Average temperature in September - Frisco, NC
  • Average high temperature in September: 77.9°F

The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (54.5°F).

  • Average low temperature in September: 75.2°F

The month with the highest average low temperature is July (78.4°F).
The coldest month (with the lowest average low temperature) is January (46°F).

Average pressure in September
Frisco, NC

Average pressure in September - Frisco, NC
  • Average pressure in September: 30.01"Hg

The months with the highest atmospheric pressure are January, November and December (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).

Average wind speed in September
Frisco, NC

Average wind speed in September - Frisco, NC
  • Average wind speed in September: 13.4mph

The windiest month (with the highest average wind speed) is March (17mph).
The calmest month (with the lowest average wind speed) is August (12mph).

Average humidity in September
Frisco, NC

Average humidity in September - Frisco, NC
  • Average humidity in September: 77%

The months with the highest relative humidity are May, June and July (79%).
The month with the lowest relative humidity is October (73%).

Average rainfall in September
Frisco, NC

Average rainfall in September - Frisco, NC
  • Average rainfall in September: 0.55"

The wettest month (with the highest rainfall) is August (1.06").
The driest month (with the least rainfall) is January (0.31").

Average rainfall days in September
Frisco, NC

Average rainfall days in September - Frisco, NC
  • Average rainfall days in September: 9 days

The month with the highest number of rainy days is July (13.5 days).
The month with the least rainy days is February (5.6 days).

Average snowfall days in September
Frisco, NC

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

The months with the highest number of snowfall days are January, February, March and December (0.1 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
Frisco, NC

Average daylight in September / Average sunshine in September - Frisco, NC
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).

  • Average sunshine in September: 9h and 4min

The months with the most sunshine are June and July (Average sunshine: 10h and 54min).
The month with the least sunshine is February (Average sunshine: 5h and 18min).

Average sunshine days in September
Frisco, NC

Average sunshine days in September - Frisco, NC
  • Average sunshine days in September: 16 days

The month with the most sunshine days is January (22.6 days).
The month with the least sunshine days is July (11.3 days).

Average UV index in September
Frisco, NC

Average UV index in September - Frisco, NC
  • Average UV index in September: 6

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

Average cloud cover in September
Frisco, NC

Average cloud cover in September - Frisco, NC
  • Average cloud cover in September: 32

The month with the most cloud cover is March (Cloud cover 43).
The month with the least cloud cover is June (Cloud cover 26).

Average visibility in September
Frisco, NC

Average visibility in September - Frisco, NC
  • 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).

Frisco, North Carolina, USA

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