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
A moderate decline in average high-temperatures is noted in September, moving from a moderately hot 84.9°F (29.4°C) in August to a still warm 78.4°F (25.8°C). An average low-temperature of 59.7°F (15.4°C) is observed during September nights.Humidity
The average relative humidity in September is 74%.Rainfall
In Parkville, in September, during 11.7 rainfall days, 2.01" (51mm) of precipitation is typically accumulated. Throughout the year, there are 129.2 rainfall days, and 20.75" (527mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in September is 12h and 26min.On the first day of the month, sunrise is at 6:48 am and sunset at 7:48 pm. On the last day of September, in Parkville, Missouri, sunrise is at 7:14 am and sunset at 7:02 pm CDT.
Sunshine
In September, the average sunshine is 9.3h.UV index
The average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The UV index of 5 in September translates into these instructions:
Be vigilant - A duty to shield skin and eyes from injury exists. It's recommended to limit sun exposure when its radiation is at its peak during midday. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Parkville in September?
What is the average humidity in September in Parkville?
How many days does it rain in September?
When it does not snow?
Does it snow in September?
How many hours of daylight does Parkville have in September?
What time are sunrise and sunset in September?
How many hours of sunshine does Parkville have in September?
How high is the UV index in September in Parkville?
Average temperature in September
Parkville, MO
- Average high temperature in September: 78.4°F
The warmest month (with the highest average high temperature) is July (86.9°F).
The month with the lowest average high temperature is January (37°F).
- Average low temperature in September: 59.7°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 (22.6°F).
Average pressure in September
Parkville, MO
- Average pressure in September: 30.01"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in September
Parkville, MO
- Average wind speed in September: 7.1mph
The windiest months (with the highest average wind speed) are February, March and April (9.8mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).
Average humidity in September
Parkville, MO
- Average humidity in September: 74%
The months with the highest relative humidity are May and June (78%).
The month with the lowest relative humidity is October (69%).
Average rainfall in September
Parkville, MO
- Average rainfall in September: 2.01"
The wettest month (with the highest rainfall) is May (3.07").
The driest month (with the least rainfall) is January (0.59").
Average rainfall days in September
Parkville, MO
- Average rainfall days in September: 11.7 days
The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is February (4.8 days).
Average snowfall in September
Parkville, MO
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.81").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Parkville, MO
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (4.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Parkville, MO
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 54min).
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 30min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).
Average sunshine days in September
Parkville, MO
- Average sunshine days in September: 16.9 days
The month with the most sunshine days is December (22.4 days).
The month with the least sunshine days is May (11.5 days).
Average UV index in September
Parkville, 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
Parkville, MO
- Average cloud cover in September: 28
The month with the most cloud cover is March (Cloud cover 46).
The months with the least cloud cover are July and August (Cloud cover 26).
Average visibility in September
Parkville, 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).
Parkville, Missouri, USA
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