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 transition into September is accompanied by a slight temperature decrease, with the average high-temperature shifting from a tropical 87.4°F (30.8°C) in August to a warm 81.7°F (27.6°C). An average low-temperature of 60.6°F (15.9°C) is observed during the September nights.Heat index
The average heat index in September is appraised at a hot 86°F (30°C). Ongoing activity coupled with exposure often results in weariness and could induce heat cramps.Observations indicate that the heat index values are for shady locations with light wind. The heat index may scale up by 15 Fahrenheit (8 Celsius) degrees with direct sun exposure.
Note: The heat index, also known as 'real feel' or 'feels like', is found by incorporating humidity levels into the air temperature measurement. One's perception of weather can be shaped by other factors, involving metabolic differences, pregnancy, and physical exertion. Sunshine, when direct, has the potential to intensify weather effects, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Children frequently underestimate the importance of resting and drinking fluids. Thirst is a symptom of advanced dehydration - hence the need to hydrate regularly, especially during protracted physical exercises.
Humidity
The average relative humidity in September in Hollis is 74%.Rainfall
In September, in Hollis, the rain falls for 11.1 days. Throughout September, 0.87" (22mm) of precipitation is accumulated. In Hollis, North Carolina, during the entire year, the rain falls for 128.8 days and collects up to 12.83" (326mm) of precipitation.Snowfall
In Hollis, snow does not fall in April through October.Daylight
The average length of the day in September is 12h and 23min.On the first day of September, sunrise is at 6:59 am and sunset at 7:53 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 7:11 pm EDT.
Sunshine
In September, the average sunshine in Hollis, North Carolina, is 8.4h.UV index
In September, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 5 in September interprets into the following recommendations:
Take precautions - Protection against sun damage is advised. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Frequently asked questions
What are the temperatures in Hollis in September?
What is the average humidity in September in Hollis?
How many days does it rain in September in Hollis?
When it does not snow in Hollis?
What is the average length of the day in September in Hollis?
When are sunrise and sunset in September in Hollis?
How many hours of sunshine does Hollis have in September?
What is the UV index reading in September in Hollis?
Average temperature in September
Hollis, NC
- Average high temperature in September: 81.7°F
The warmest month (with the highest average high temperature) is July (89.4°F).
The month with the lowest average high temperature is January (47.1°F).
- Average low temperature in September: 60.6°F
The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (30.7°F).
Average pressure in September
Hollis, NC
- Average pressure in September: 30.04"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
Hollis, NC
- Average wind speed in September: 4.5mph
The windiest month (with the highest average wind speed) is April (6.5mph).
The calmest month (with the lowest average wind speed) is August (3.9mph).
Average humidity in September
Hollis, NC
- Average humidity in September: 74%
The months with the highest relative humidity are May and December (76%).
The month with the lowest relative humidity is July (70%).
Average rainfall in September
Hollis, NC
- Average rainfall in September: 0.87"
The wettest month (with the highest rainfall) is August (1.65").
The driest months (with the least rainfall) are March and November (0.71").
Average rainfall days in September
Hollis, NC
- Average rainfall days in September: 11.1 days
The month with the highest number of rainy days is July (15.6 days).
The month with the least rainy days is November (6.3 days).
Average snowfall in September
Hollis, NC
- Average snowfall in September: 0"
The month with the highest snowfall is December (0.79").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Hollis, NC
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.6 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
Hollis, 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 July (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).
Average sunshine days in September
Hollis, NC
- Average sunshine days in September: 16.7 days
The month with the most sunshine days is October (22.4 days).
The month with the least sunshine days is July (11.9 days).
Average UV index in September
Hollis, NC
- Average UV index in September: 5
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in September
Hollis, NC
- Average cloud cover in September: 33
The months with the most cloud cover are February and December (Cloud cover 42).
The months with the least cloud cover are June and July (Cloud cover 29).
Average visibility in September
Hollis, NC
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
Hollis, North Carolina, USA
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