Columbia
North Carolina, USA
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Columbia, NC

September, the first month of the autumn, in Columbia, is also a moderately hot month, with average temperature ranging between max 80.4°F (26.9°C) and min 67.1°F (19.5°C).

Temperature

In September, the average high-temperature is practically the same as in August - a still warm 80.4°F (26.9°C). The average low-temperature, in Columbia, is 67.1°F (19.5°C).

Humidity

In Columbia, the average relative humidity is 78%.

Rainfall

In Columbia, in September, during 6.6 rainfall days, 0.63" (16mm) of precipitation is typically accumulated. In Columbia, during the entire year, the rain falls for 98.1 days and collects up to 8.15" (207mm) of precipitation.

Snowfall

In Columbia snow does not fall in March through December.

Ocean temperature

In Columbia, the average water temperature is 78.6°F (25.9°C).
Note: Water temperature between 77°F (25°C) and 84.2°F (29°C) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

Daylight

The average length of the day is 12.4h.

Sunshine

In September, the average sunshine is 9.5h.

UV index

In September, the average daily maximum UV index in Columbia, North Carolina, is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to the UV radiation for the ordinary person.
Note: In September, the average maximum UV index of 5 translate into the following recommendations:
Take precautions - Protection against the skin and eye damage is obliged. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Beware! The strength of the UV rays is significantly increased by the reflection of the water and sand.

What is the temperature in September in Columbia?

The average high-temperature, in September, in Columbia, North Carolina, is 80.4°F (26.9°C), while the average low-temperature is 67.1°F (19.5°C).

What is the average humidity in September in Columbia?

In September, the average relative humidity in Columbia is 78%.

How many days does it rain in September in Columbia?

In Columbia, North Carolina, in September, it is raining for 6.6 days, with typically 0.63" (16mm) of accumulated precipitation.

When it does not snow in Columbia?

In Columbia, North Carolina, snow does not fall in March through December.

What is the water temperature in September in Columbia?

In Columbia, North Carolina, in September, the average water temperature is 78.6°F (25.9°C). Water temperature between 77°F (25°C) and 84.2°F (29°C) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

How many hours of daylight does Columbia have in September?

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

How long on average sun shines in September in Columbia?

In September, the average sunshine is 9.5h.

How high is the UV index in September in Columbia?

In September, the average daily maximum UV index in Columbia, North Carolina, is 5. A UV Index estimate of 3 to 5 represents a moderate health threat from unsafe exposure to the Sun's UV rays.
Average temperature in September - Columbia, NC
  • Average high temperature in September: 80.4°F

The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (48.6°F).

  • Average low temperature in September: 67.1°F

The month with the highest average low temperature is July (72.7°F).
The coldest month (with the lowest average low temperature) is January (35.1°F).

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

Months with the highest relative humidity are May, August and December (79%).
Months with the lowest relative humidity are January, April and November (76%).

Average rainfall in September - Columbia, NC
  • Average rainfall in September: 0.63"

The wettest month (with the highest rainfall) is August (1.18").
Driest months (with the lowest rainfall) are January, March and November (0.47").

Average rainfall days in September - Columbia, NC
  • Average rainfall days in September: 6.6 days

The month with the highest number of rainy days is July (13.6 days).
The month with the lowest number of rainy days is October (5.1 days).

Average snowfall in September - Columbia, NC
  • Average snowfall in September: 0"

The month with the highest snowfall is February (0.08").
Months with the lowest snowfall are March, April, May, June, July, August, September, October, November and December (0").

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

The month with the highest number of snowfall days is February (0.7 days).
Months with the lowest number of snowfall days are April, May, June, July, August, September and October (0 days).

Average sea temperature in September - Columbia, NC
  • Average sea temperature in September: 78.6°F

The best month for swimming (with the highest average sea temperature) is August (81.9°F).
The coldest month (with the lowest average sea temperature) is February (55.2°F).

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

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

  • Average sunshine in September: 9.5h

Months with most sunshine are June and July (Average sunshine: 10.8h).
The month with least sunshine is February (Average sunshine: 5.4h).

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

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