Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
During the shift to September, Marion records a mild decrease in average high-temperature, moving from a moderately hot 84°F (28.9°C) in August to a still warm 78.6°F (25.9°C). September is noted for a mean low-temperature of 57°F (13.9°C).Humidity
The average relative humidity in September is 76%.Rainfall
In September, the rain falls for 13.8 days. Throughout September, 1.97" (50mm) of precipitation is accumulated. In Marion, during the entire year, the rain falls for 175.4 days and collects up to 31.3" (795mm) of precipitation.Snowfall
May through October are months without snowfall.Daylight
In September, the average length of the day in Marion is 12h and 23min.On the first day of the month, sunrise is at 7:00 am and sunset at 7:54 pm. On the last day of September, sunrise is at 7:22 am and sunset at 7:12 pm EDT.
Sunshine
In September, the average sunshine is 8.4h.UV index
The average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for average individuals.Note: A maximum daily UV index of 5 during September morphs into the following directions:
Take measures. Individuals with light skin might experience burns in under 30 minutes. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Marion in September?
What is the average humidity in September?
How much does it rain in September?
When it does not snow?
How many hours of daylight does Marion have in September?
What time are sunrise and sunset in September?
How many hours of sunshine does Marion have in September?
How high is the UV index in September?
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).
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).
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).
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%).
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").
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).
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").
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).
Average daylight in September /
Average sunshine in September
Marion, 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: 8h and 2min
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).
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).
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).
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).
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).
Marion, North Carolina, USA
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