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 introduces a mild reduction in the average high-temperature, from a warm 84.4°F (29.1°C) in August to a still moderately hot 78.6°F (25.9°C). Old Chilhowee, in the month of September, anticipates a consistent average low-temperature of 59.4°F (15.2°C).Humidity
The average relative humidity in September is 76%.Rainfall
In Old Chilhowee, in September, it is raining for 12.1 days, with typically 2.56" (65mm) of accumulated precipitation. Throughout the year, there are 138.6 rainfall days, and 28.31" (719mm) of precipitation is accumulated.Snowfall
April, June through September are months without snowfall.Daylight
In September, the average length of the day in Old Chilhowee is 12h and 25min.On the first day of September, sunrise is at 6:45 am and sunset at 7:45 pm. On the last day of the month, sunrise is at 7:11 am and sunset at 6:59 pm CDT.
Sunshine
The average sunshine in September is 9.4h.UV index
The average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.Note: A daily high UV index of 5 in September leads to these guidelines:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September?
What is the average humidity in September?
How many days does it rain in September?
When it does not snow?
Does it snow in September?
How many hours of daylight does Old Chilhowee have in September?
When are sunrise and sunset in September?
How long on average sun shines in September?
What is the UV index reading in September?
Average temperature in September
Old Chilhowee, MO
- Average high temperature in September: 78.6°F
The warmest month (with the highest average high temperature) is July (86°F).
The month with the lowest average high temperature is January (37.8°F).
- Average low temperature in September: 59.4°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).
Average pressure in September
Old Chilhowee, MO
- Average pressure in September: 30.02"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in September
Old Chilhowee, MO
- Average wind speed in September: 7mph
The windiest month (with the highest average wind speed) is March (10.1mph).
The calmest months (with the lowest average wind speed) are July and August (6.4mph).
Average humidity in September
Old Chilhowee, MO
- Average humidity in September: 76%
The month with the highest relative humidity is May (81%).
The month with the lowest relative humidity is October (71%).
Average rainfall in September
Old Chilhowee, MO
- Average rainfall in September: 2.56"
The wettest month (with the highest rainfall) is May (4.17").
The driest month (with the least rainfall) is January (0.98").
Average rainfall days in September
Old Chilhowee, MO
- Average rainfall days in September: 12.1 days
The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is January (5.7 days).
Average snowfall in September
Old Chilhowee, MO
- Average snowfall in September: 0"
The month with the highest snowfall is February (3.31").
The months with the least snowfall are April, June, July, August and September (0").
Average snowfall days in September
Old Chilhowee, MO
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (5.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Old Chilhowee, MO
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in September: 9h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).
Average sunshine days in September
Old Chilhowee, MO
- Average sunshine days in September: 16.3 days
The month with the most sunshine days is December (22 days).
The month with the least sunshine days is May (12.4 days).
Average UV index in September
Old Chilhowee, MO
- 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, November and December (UV index 2).
Average cloud cover in September
Old Chilhowee, MO
- Average cloud cover in September: 29
The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 26).
Average visibility in September
Old Chilhowee, MO
- 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).
Old Chilhowee, Missouri, USA
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