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
The dawn of September sees an average high-temperature of a moderately hot 81.5°F (27.5°C), subtly contrasting with August's 86.2°F (30.1°C). In September, Eureka's temperature tends to fall to an average low of 65.3°F (18.5°C) during the night.Heat index
Throughout September, the heat index is appraised at a hot 87.8°F (31°C). Prolonged activity during exposure might result in a state of fatigue and cause heat cramps.Understand that the heat index values take into account shaded locations and mild winds. Exposure to the direct sun might augment heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', combines air temperature and relative humidity to represent a human perceived temperature equivalent. Depending on the activity and the individual's heat perception, which may vary due to factors including wind, clothing, and metabolic variations, this effect remains subjective. Direct sunlight exposure should be noted as it has the potential to increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Kids frequently ignore the importance of taking a break and rehydrating. Thirst is a late symptom of dehydration - thus, it is crucial to stay hydrated, especially during long-lasting physical activities.
Humidity
The months with the highest humidity in Eureka are August and September, with an average relative humidity of 78%.Rainfall
In September, the rain falls for 12.5 days. Throughout September, 3.07" (78mm) of precipitation is accumulated. Throughout the year, there are 156.8 rainfall days, and 31.38" (797mm) of precipitation is accumulated.Snowfall
April through November are months without snowfall.Daylight
In September, the average length of the day is 12h and 23min.On the first day of the month, sunrise is at 6:44 am and sunset at 7:38 pm. On the last day of September, in Eureka, North Carolina, sunrise is at 7:06 am and sunset at 6:56 pm EDT.
Sunshine
In Eureka, the average sunshine in September is 8.9h.UV index
In Eureka, North Carolina, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: An average UV index of 5 in September transforms into this advice:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
Frequently asked questions
What is the temperature in September in Eureka?
What is the most humid month in Eureka?
What is the average humidity in September in Eureka?
How much does it rain in Eureka in September?
When it does not snow in Eureka?
What is the average length of the day in September in Eureka?
When are sunrise and sunset in September in Eureka?
How many hours of sunshine does Eureka have in September?
What is the UV index reading in September in Eureka?
Average temperature in September
Eureka, NC
- Average high temperature in September: 81.5°F
The warmest month (with the highest average high temperature) is July (88.2°F).
The month with the lowest average high temperature is January (48.9°F).
- Average low temperature in September: 65.3°F
The month with the highest average low temperature is July (71.1°F).
The coldest month (with the lowest average low temperature) is January (34.3°F).
Average pressure in September
Eureka, NC
- Average pressure in September: 30.02"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in September
Eureka, NC
- Average wind speed in September: 6.8mph
The windiest month (with the highest average wind speed) is April (9.1mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).
Average humidity in September
Eureka, NC
- Average humidity in September: 78%
The months with the highest relative humidity are August and September (78%).
The month with the lowest relative humidity is January (73%).
Average rainfall in September
Eureka, NC
- Average rainfall in September: 3.07"
The wettest month (with the highest rainfall) is August (3.46").
The driest month (with the least rainfall) is January (2.01").
Average rainfall days in September
Eureka, NC
- Average rainfall days in September: 12.5 days
The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is November (9.1 days).
Average snowfall in September
Eureka, NC
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.98").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in September
Eureka, NC
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.9 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Eureka, 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 5min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).
Average sunshine days in September
Eureka, NC
- Average sunshine days in September: 16.6 days
The month with the most sunshine days is November (19.8 days).
The month with the least sunshine days is May (11.9 days).
Average UV index in September
Eureka, NC
- Average UV index in September: 5
The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in September
Eureka, NC
- Average cloud cover in September: 37
The month with the most cloud cover is March (Cloud cover 43).
The month with the least cloud cover is June (Cloud cover 32).
Average visibility in September
Eureka, 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).
Eureka, North Carolina, USA
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