September weather forecast and climate
Cullowhee, NC

The first month of the autumn, September, is still a warm month in Cullowhee, North Carolina, with average temperature varying between 54.1°F (12.3°C) and 74.7°F (23.7°C).

Temperature

In Cullowhee, North Carolina, the average high-temperature is almost the same as in August - a still warm 74.7°F (23.7°C). In Cullowhee, in September, the average low-temperature is 54.1°F (12.3°C).

Humidity

Months with the highest humidity are May and September, with an average relative humidity of 81%.

Rainfall

The month with the least rainfall in Cullowhee is September when the rain falls for 16.2 days and typically collects 2.56" (65mm) of precipitation.

Snowfall

In Cullowhee snow does not fall in May through September.

Daylight

In Cullowhee, the average length of the day is 12.4h.

Sunshine

In Cullowhee, the average sunshine in September is 8.1h.

UV index

The average daily maximum UV index in Cullowhee is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to the Sun's UV rays for average individuals.
Note: In September, the average maximum UV index of 4 translate into the following recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. 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 Cullowhee?

In Cullowhee, in September, the average high-temperature is 74.7°F (23.7°C), and the average low-temperature is 54.1°F (12.3°C).

What is the most humid month in Cullowhee?

Months with the highest humidity in Cullowhee, North Carolina, are May and September, with an average relative humidity of 81%.

What is the average humidity in September in Cullowhee?

The average relative humidity in September in Cullowhee, North Carolina, is 81%.

How many days does it rain in September in Cullowhee?

In Cullowhee, in September, it is raining for 16.2 days, with typically 2.56" (65mm) of accumulated precipitation.

What is the driest month in Cullowhee?

September is the month with the least rainfall in Cullowhee, North Carolina. Rain falls for 16.2 days and accumulates 2.56" (65mm) of precipitation.

Does it snow in Cullowhee in September?

In Cullowhee, North Carolina, in September, it doesn't snow. In October, it regularly snows.

When it does not snow in Cullowhee?

May through September are months without snowfall.

What is the average length of the day in September in Cullowhee?

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

How long on average sun shines in September in Cullowhee?

The average sunshine in September is 8.1h.

How high is the UV index in September in Cullowhee?

In Cullowhee, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate health threat from the exposure to the Sun's UV rays.
Average temperature in September - Cullowhee, NC
  • Average high temperature in September: 23.7°C

The warmest month (with the highest average high temperature) is July (26.8°C).
The month with the lowest average high temperature is January (5.9°C).

  • Average low temperature in September: 12.3°C

The month with the highest average low temperature is July (15.3°C).
The coldest month (with the lowest average low temperature) is January (-2.8°C).

Average pressure in September - Cullowhee, NC
  • Average pressure in September: 1017.3mbar

The month with the highest atmospheric pressure is November (1021.1mbar).
The month with the lowest atmospheric pressure is June (1015.6mbar).

Average wind speed in September - Cullowhee, NC
  • Average wind speed in September: 5.5km/h

The windiest months (with the highest average wind speed) are January, February and April (9.3km/h).
The calmest month (with the lowest average wind speed) is August (5km/h).

Average humidity in September - Cullowhee, NC
  • Average humidity in September: 81%

Months with the highest relative humidity are May and September (81%).
The month with the lowest relative humidity is November (77%).

Average rainfall in September - Cullowhee, NC
  • Average rainfall in September: 65mm

The wettest month (with the highest rainfall) is July (110mm).
The driest month (with the least rainfall) is September (65mm).

Average rainfall days in September - Cullowhee, NC
  • Average rainfall days in September: 16.2 days

The month with the highest number of rainy days is July (20.9 days).
The month with the least rainy days is November (10.7 days).

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

The month with the highest snowfall is December (75mm).
Months with the least snowfall are May, June, July, August and September (0mm).

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

Months with the highest number of snowfall days are January and February (5.3 days).
Months with the least snowfall days are June, July, August and September (0 days).

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

The month with the longest days is June (Average daylight: 14.5h).
The month with the shortest days is December (Average daylight: 9.8h).

  • Average sunshine in September: 8.1h

The month with the most sunshine is June (Average sunshine: 10.2h).
The month with the least sunshine is December (Average sunshine: 5.2h).

Average sunshine days in September - Cullowhee, NC
  • Average sunshine days in September: 11.5 days

The month with the most sunshine days is October (17.7 days).
The month with the least sunshine days is July (8.8 days).

Average UV index in September - Cullowhee, NC
  • Average UV index in September: 4

Months with the highest UV index are May, June, July and August (UV index 5).
Months with the lowest UV index are January, February and December (UV index 2).

Average cloud cover in September - Cullowhee, NC
  • Average cloud cover in September: 41

The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is June (Cloud cover 37).

Average visibility in September - Cullowhee, NC
  • Average visibility in September: 7km

Months with the highest visibility are January, February, March, April, May, June, July, August, October, November and December (8km).
The month with the lowest visibility is September (7km).