September weather forecast
Marion, NC

A walking path through the woods, scenic trees, and clean fields near the calm Catawba River in Marion City, North Carolina
A walking path through the woods, scenic trees, and clean fields near the calm Catawba River in Marion City, North Carolina

Weather in September

September, the first month of the autumn in Marion, is also a moderately hot month, with an average temperature varying between 57°F (13.9°C) and 78.6°F (25.9°C).

Temperature

In September, the average high-temperature slightly decreases from 84°F (28.9°C) in August to a still warm 78.6°F (25.9°C). In September, the average low-temperature is 57°F (13.9°C).

Humidity

The average relative humidity in September is 76%.

Rainfall

In Marion, during 13.8 rainfall days, 1.97" (50mm) of precipitation is typically accumulated. Throughout the year, in Marion, there are 175.4 rainfall days, and 31.3" (795mm) of precipitation is accumulated.

Snowfall

May through October are months without snowfall.

Daylight

The average length of the day in September is 12h and 23min.
On the first day of September, sunrise is at 7:00 am and sunset at 7:55 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 7:13 pm EDT.

Sunshine

In September, the average sunshine is 8.4h.

UV index

In Marion, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the average person.
Note: The average daily UV index of 5 in September transform into the following instructions:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. 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.
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FAQ

What is the temperature in September in Marion?

In September, in Marion, North Carolina, the average high-temperature is 78.6°F (25.9°C), and the average low-temperature is 57°F (13.9°C). The average heat index (a.k.a. 'feels like', 'real feel'), which factors the actual air temperature with the relative humidity, in August is estimated at 91.4°F (33°C).

What is the average humidity in September in Marion?

In September, the average relative humidity in Marion, North Carolina, is 76%.

How many days does it rain in September in Marion?

In Marion, in September, during 13.8 rainfall days, 1.97" (50mm) of precipitation is typically accumulated.

When it does not snow in Marion?

In Marion, snow does not fall in May through October.

How many hours of daylight does Marion have in September?

In September, the average day length in Marion, North Carolina, is 12h and 23min.

What time are sunrise and sunset in September in Marion?

On the first day of September in Marion, sunrise is at 7:00 am and sunset at 7:55 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 7:13 pm EDT.

How long on average sun shines in September in Marion?

In Marion, North Carolina, the average sunshine duration in September is 8.4h.

How high is the UV index in September in Marion?

The average daily maximum UV index in September in Marion is 5. A UV Index reading of 3 to 5 represents a moderate health threat from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Marion, NC

Average temperature in September - Marion, NC
  • Average high temperature in September: 78.6°F

The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (44.2°F).

  • Average low temperature in September: 57°F

The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (28.4°F).

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Average pressure in September
Marion, NC

Average pressure in September - Marion, NC
  • Average pressure in September: 30.05"Hg

The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).

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Average wind speed in September
Marion, NC

Average wind speed in September - Marion, NC
  • Average wind speed in September: 4mph

The windiest month (with the highest average wind speed) is April (6.1mph).
The calmest month (with the lowest average wind speed) is August (3.5mph).

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Average humidity in September
Marion, NC

Average humidity in September - Marion, NC
  • Average humidity in September: 76%

The months with the highest relative humidity are May and December (77%).
The months with the lowest relative humidity are July and November (73%).

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Average rainfall in September
Marion, NC

Average rainfall in September - Marion, NC
  • Average rainfall in September: 1.97"

The wettest month (with the highest rainfall) is April (3.43").
The driest month (with the least rainfall) is June (1.93").

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Average rainfall days in September
Marion, NC

Average rainfall days in September - Marion, NC
  • Average rainfall days in September: 13.8 days

The months with the highest number of rainy days are May and July (19.3 days).
The month with the least rainy days is November (9.9 days).

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Average snowfall in September
Marion, NC

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

The month with the highest snowfall is December (3.07").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in September
Marion, NC

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

The month with the highest number of snowfall days is February (3.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in September /
Average sunshine in September
Marion, NC

Average daylight in September / Average sunshine in September - Marion, NC
  • Average daylight in September: 12h and 23min

The month with the longest days is June (Average daylight: 14h and 32min).
The month with the shortest days is December (Average daylight: 9h and 47min).

  • Average sunshine in September: 8h and 24min

The month with the most sunshine is June (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).

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Average sunshine days in September
Marion, NC

Average sunshine days in September - Marion, NC
  • Average sunshine days in September: 13.5 days

The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is July (9.3 days).

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Average UV index in September
Marion, NC

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

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).

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Average cloud cover in September
Marion, NC

Average cloud cover in September - Marion, NC
  • Average cloud cover in September: 35

The months with the most cloud cover are March and December (Cloud cover 42).
The month with the least cloud cover is June (Cloud cover 29).

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Average visibility in September
Marion, NC

Average visibility in September - Marion, NC
  • Average visibility in September: 5mi

The months with the highest visibility are February, June, July, August, October and November (6mi).
The months with the lowest visibility are January, March, April, May, September and December (5mi).

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