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 marks a gentle change in average high-temperature, declining from August's tropical 86.5°F (30.3°C) to a moderately hot 80.2°F (26.8°C). An average nighttime temperature of 59.7°F (15.4°C) is recorded during September.Humidity
In Boomer, the average relative humidity in September is 75%.Rainfall
September is the month with the least rainfall. Rain falls for 11.4 days and accumulates 0.98" (25mm) of precipitation.Snowfall
In Boomer, snow does not fall in April through October.Daylight
The average length of the day in September in Boomer is 12h and 24min.On the first day of the month, sunrise is at 6:57 am and sunset at 7:52 pm. On the last day of September, sunrise is at 7:19 am and sunset at 7:09 pm EDT.
Sunshine
The average sunshine in September is 8.6h.UV index
In Boomer, North Carolina, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: The maximum UV index, 5 during September, leads to the following recommendations:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in September?
What is the average humidity in September in Boomer?
What is the driest month?
How much does it rain in September?
When it does not snow?
How many hours of daylight does Boomer have in September?
When is the sunrise / sunset in September?
How long on average sun shines in September?
What is the UV index reading in September?
Average temperature in September
Boomer, NC
- Average high temperature in September: 80.2°F
The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is January (45.1°F).
- Average low temperature in September: 59.7°F
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (29.5°F).
Average pressure in September
Boomer, 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
Boomer, NC
- Average wind speed in September: 4.4mph
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
Boomer, NC
- Average humidity in September: 75%
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
Boomer, NC
- Average rainfall in September: 0.98"
The wettest month (with the highest rainfall) is May (2.01").
The driest month (with the least rainfall) is September (0.98").
Average rainfall days in September
Boomer, NC
- Average rainfall days in September: 11.4 days
The month with the highest number of rainy days is July (16.1 days).
The month with the least rainy days is November (7.5 days).
Average snowfall in September
Boomer, NC
- Average snowfall in September: 0"
The month with the highest snowfall is December (1.1").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Boomer, 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 May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Boomer, NC
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in September: 8h and 4min
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
Boomer, NC
- Average sunshine days in September: 16.4 days
The month with the most sunshine days is October (21.1 days).
The month with the least sunshine days is July (11.3 days).
Average UV index in September
Boomer, 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, February and December (UV index 2).
Average cloud cover in September
Boomer, NC
- Average cloud cover in September: 33
The months with the most cloud cover are February and March (Cloud cover 41).
The month with the least cloud cover is June (Cloud cover 28).
Average visibility in September
Boomer, 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).
Boomer, North Carolina, USA
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