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 move into September indicates a slight reduction in the average high-temperature, down from August's tropical 87.1°F (30.6°C) to a moderately hot 79.9°F (26.6°C). Barnett, in September, experiences an average temperature of 59.5°F (15.3°C) at night.Humidity
The average relative humidity in September in Barnett is 74%.Rainfall
In Barnett, Missouri, in September, during 10.9 rainfall days, 1.73" (44mm) of precipitation is typically accumulated. Throughout the year, in Barnett, there are 136.9 rainfall days, and 26.02" (661mm) of precipitation is accumulated.Snowfall
In Barnett, snow does not fall in June through October.Daylight
In Barnett, the average length of the day in September is 12h and 25min.On the first day of the month, sunrise is at 6:40 am and sunset at 7:40 pm. On the last day of September, in Barnett, sunrise is at 7:06 am and sunset at 6:54 pm CDT.
Sunshine
The average sunshine in September is 9.5h.UV index
In Barnett, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: In September, the maximum UV index of 5 transforms into these recommendations:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Opt for tightly woven and loose clothing to enhance protection from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Barnett in September?
What is the average humidity in September in Barnett?
How much does it rain in Barnett in September?
When it does not snow in Barnett?
How many hours of daylight does Barnett have in September?
What time are sunrise and sunset in September in Barnett?
How many hours of sunshine does Barnett have in September?
How high is the UV index in September in Barnett?
Average temperature in September
Barnett, MO
- Average high temperature in September: 79.9°F
The warmest month (with the highest average high temperature) is July (88.9°F).
The month with the lowest average high temperature is January (38.8°F).
- Average low temperature in September: 59.5°F
The month with the highest average low temperature is July (68°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure in September
Barnett, MO
- Average pressure in September: 30.03"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in September
Barnett, MO
- Average wind speed in September: 6.3mph
The windiest months (with the highest average wind speed) are January and March (8.9mph).
The calmest month (with the lowest average wind speed) is July (5.8mph).
Average humidity in September
Barnett, MO
- Average humidity in September: 74%
The month with the highest relative humidity is May (77%).
The months with the lowest relative humidity are August and October (73%).
Average rainfall in September
Barnett, MO
- Average rainfall in September: 1.73"
The wettest month (with the highest rainfall) is May (3.58").
The driest month (with the least rainfall) is January (1.18").
Average rainfall days in September
Barnett, MO
- Average rainfall days in September: 10.9 days
The month with the highest number of rainy days is May (16.3 days).
The months with the least rainy days are January and December (6.7 days).
Average snowfall in September
Barnett, MO
- Average snowfall in September: 0"
The month with the highest snowfall is February (2.8").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in September
Barnett, MO
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Barnett, 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 3min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The months with the least sunshine are January and February (Average sunshine: 4h and 54min).
Average sunshine days in September
Barnett, MO
- Average sunshine days in September: 16.6 days
The month with the most sunshine days is December (19.6 days).
The month with the least sunshine days is May (11.8 days).
Average UV index in September
Barnett, MO
- Average UV index in September: 5
The months with the highest UV index are 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
Barnett, MO
- Average cloud cover in September: 30
The months with the most cloud cover are February and March (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in September
Barnett, 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).
Barnett, Missouri, USA
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