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
New Boston's average high-temperature in September is a still moderately hot 76.1°F (24.5°C), marking an insignificant difference from the 81.1°F (27.3°C) of August. New Boston reports an average nighttime low-temperature of 56.3°F (13.5°C) in September.Humidity
In September, the average relative humidity in New Boston is 75%.Rainfall
In New Boston, in September, during 11.8 rainfall days, 2.44" (62mm) of precipitation is typically accumulated. In New Boston, Illinois, during the entire year, the rain falls for 146.3 days and collects up to 30.31" (770mm) of precipitation.Snowfall
May through September are months without snowfall in New Boston.Daylight
In September, the average length of the day in New Boston is 12h and 28min.On the first day of September in New Boston, Illinois, sunrise is at 6:31 am and sunset at 7:36 pm. On the last day of the month, sunrise is at 7:00 am and sunset at 6:47 pm CDT.
Sunshine
In September, the average sunshine is 9.5h.UV index
In New Boston, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the average person.Note: A maximum high daily UV index of 4 during September translates into the following directions:
Adopt protective measures - It is advised to guard against sun damage. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Frequently asked questions
What are September temperatures in New Boston?
What is the average humidity in September in New Boston?
How many days does it rain in September in New Boston?
When it does not snow in New Boston?
Does it snow in New Boston in September?
How many hours of daylight does New Boston have in September?
When is the sunrise / sunset in September in New Boston?
How many hours of sunshine does New Boston have in September?
How high is the UV index in September in New Boston?
Average temperature in September
New Boston, IL
- Average high temperature in September: 76.1°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (28.9°F).
- Average low temperature in September: 56.3°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (16.7°F).
Average pressure in September
New Boston, IL
- Average pressure in September: 30.02"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in September
New Boston, IL
- Average wind speed in September: 7.8mph
The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).
Average humidity in September
New Boston, IL
- Average humidity in September: 75%
The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is October (71%).
Average rainfall in September
New Boston, IL
- Average rainfall in September: 2.44"
The wettest month (with the highest rainfall) is May (4.65").
The driest month (with the least rainfall) is December (1.42").
Average rainfall days in September
New Boston, IL
- Average rainfall days in September: 11.8 days
The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is January (5.3 days).
Average snowfall in September
New Boston, IL
- Average snowfall in September: 0"
The month with the highest snowfall is January (4.49").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
New Boston, IL
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (10.1 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
New Boston, IL
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in September: 9h and 3min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days in September
New Boston, IL
- Average sunshine days in September: 16.4 days
The month with the most sunshine days is October (18.4 days).
The month with the least sunshine days is June (8.4 days).
Average UV index in September
New Boston, IL
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in September
New Boston, IL
- Average cloud cover in September: 29
The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in September
New Boston, IL
- 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).
New Boston, Illinois, USA
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