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 brings a slight decrease in the average high-temperature, shifting from a tropical 86.7°F (30.4°C) in August to a warm 80.2°F (26.8°C). During September, the average low-temperature is a moderate 60.1°F (15.6°C).Humidity
The average relative humidity in September is 74%.Rainfall
In Preston, Missouri, in September, during 11.5 rainfall days, 1.97" (50mm) of precipitation is typically accumulated. In Preston, during the entire year, the rain falls for 141.9 days and collects up to 27.52" (699mm) of precipitation.Snowfall
In Preston, snow does not fall in May through October.Daylight
In September, the average length of the day in Preston, Missouri, is 12h and 25min.On the first day of the month, sunrise is at 6:43 am and sunset at 7:41 pm. On the last day of September, in Preston, sunrise is at 7:08 am and sunset at 6:56 pm CDT.
Sunshine
In Preston, Missouri, the average sunshine in September is 9.5h.UV index
In September, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for average individuals.Note: The maximum daily UV index of 5 during September translates into the following directions:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in Preston?
What is the average humidity in September in Preston?
How much does it rain in Preston in September?
When it does not snow in Preston?
What is the average length of the day in September in Preston?
When are sunrise and sunset in September in Preston?
How long on average sun shines in September in Preston?
What is the UV index intensity in September in Preston?
Average temperature in September
Preston, MO
- Average high temperature in September: 80.2°F
The warmest month (with the highest average high temperature) is July (88.5°F).
The month with the lowest average high temperature is January (40.5°F).
- Average low temperature in September: 60.1°F
The month with the highest average low temperature is July (68.7°F).
The coldest month (with the lowest average low temperature) is January (25.5°F).
Average pressure in September
Preston, MO
- Average pressure in September: 30.03"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in September
Preston, MO
- Average wind speed in September: 6.6mph
The windiest month (with the highest average wind speed) is March (9.6mph).
The calmest month (with the lowest average wind speed) is July (6.1mph).
Average humidity in September
Preston, MO
- Average humidity in September: 74%
The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is October (72%).
Average rainfall in September
Preston, MO
- Average rainfall in September: 1.97"
The wettest month (with the highest rainfall) is May (4.33").
The driest month (with the least rainfall) is January (1.18").
Average rainfall days in September
Preston, MO
- Average rainfall days in September: 11.5 days
The months with the highest number of rainy days are May and July (16.7 days).
The month with the least rainy days is December (6 days).
Average snowfall in September
Preston, MO
- Average snowfall in September: 0"
The month with the highest snowfall is February (2.28").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Preston, MO
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (5.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Preston, 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 36min).
- Average sunshine in September: 9h and 3min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).
Average sunshine days in September
Preston, MO
- Average sunshine days in September: 15.6 days
The month with the most sunshine days is December (20.7 days).
The month with the least sunshine days is July (11.7 days).
Average UV index in September
Preston, 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
Preston, MO
- Average cloud cover in September: 29
The month with the most cloud cover is March (Cloud cover 47).
The months with the least cloud cover are June and August (Cloud cover 27).
Average visibility in September
Preston, 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).
Preston, Missouri, USA
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