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
September's onset records a minor alteration in the average high-temperature to a still warm 81.9°F (27.7°C) from August's 85.8°F (29.9°C). September brings Windemere a consistent average low-temperature of 72°F (22.2°C).Heat index
The heat index value for September is evaluated at a hot 87.8°F (31°C). When exposure and activity are sustained, they could induce fatigue, with a chance of heat cramps.It is important to note that the heat index values are for shaded areas and light wind scenarios. When exposed to the direct sun, the heat index may augment by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', gives an indication of how one might feel in terms of heat after considering humidity. One's perception of temperature is subjective, varying based on their activity and individual heat perception, influenced by factors like wind, clothing, and metabolic variations. Consider that direct sun exposure can intensify the felt heat, adding potentially 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are extremely significant for babies and toddlers. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it's vital to remain hydrated, particularly during prolonged physical activities.
Humidity
The average relative humidity in September is 76%.Rainfall
September is the month with the most rainfall in Windemere, North Carolina. Rain falls for 14.4 days and accumulates 2.91" (74mm) of precipitation.Snowfall
In Windemere, snow does not fall in March through November.Daylight
The average length of the day in September in Windemere is 12h and 23min.On the first day of the month, sunrise is at 6:45 am and sunset at 7:37 pm. On the last day of September, in Windemere, North Carolina, sunrise is at 7:05 am and sunset at 6:56 pm EDT.
Sunshine
In September, the average sunshine is 9.6h.UV index
The average daily maximum UV index in September is 6. A UV Index estimate of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A maximum high daily UV index of 6 during September translates into the following directions:
Sustain precautions and conform to sun safety norms. Preventing sunburn is necessary. Seek shade and limit direct Sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its peak, but be aware that not all shade structures provide complete sun protection. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in Windemere?
What is the average humidity in September in Windemere?
What is the rainiest month in Windemere?
How much does it rain in Windemere in September?
When it does not snow in Windemere?
What is the average length of the day in September in Windemere?
When are sunrise and sunset in September in Windemere?
How many hours of sunshine does Windemere have in September?
What is the UV index reading in September in Windemere?
Average temperature in September
Windemere, NC
- Average high temperature in September: 81.9°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 (54.5°F).
- Average low temperature in September: 72°F
The month with the highest average low temperature is July (77°F).
The coldest month (with the lowest average low temperature) is January (42.4°F).
Average pressure in September
Windemere, NC
- Average pressure in September: 30.01"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in September
Windemere, NC
- Average wind speed in September: 9.3mph
The windiest month (with the highest average wind speed) is April (10.9mph).
The calmest month (with the lowest average wind speed) is August (8.2mph).
Average humidity in September
Windemere, NC
- Average humidity in September: 76%
The months with the highest relative humidity are August and December (77%).
The months with the lowest relative humidity are January and March (73%).
Average rainfall in September
Windemere, NC
- Average rainfall in September: 2.91"
The wettest month (with the highest rainfall) is September (2.91").
The driest month (with the least rainfall) is January (0.79").
Average rainfall days in September
Windemere, NC
- Average rainfall days in September: 14.4 days
The month with the highest number of rainy days is August (19.5 days).
The month with the least rainy days is November (8.2 days).
Average snowfall in September
Windemere, NC
- Average snowfall in September: 0"
The months with the highest snowfall are January, February and December (0.04").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").
Average snowfall days in September
Windemere, NC
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (0.3 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in September /
Average sunshine in September
Windemere, NC
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in September: 9h and 4min
The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).
Average sunshine days in September
Windemere, NC
- Average sunshine days in September: 13.1 days
The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is August (8.2 days).
Average UV index in September
Windemere, NC
- Average UV index in September: 6
The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is January (UV index 3).
Average cloud cover in September
Windemere, NC
- Average cloud cover in September: 30
The months with the most cloud cover are February and December (Cloud cover 39).
The months with the least cloud cover are June and July (Cloud cover 26).
Average visibility in September
Windemere, 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).
Windemere, North Carolina, USA
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