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 arrival coincides with a soft drop in the average high-temperature, subtly decreasing from August's 82.6°F (28.1°C) to a still moderately hot 77°F (25°C). Throughout September, Parnell anticipates an average low-temperature of 57.7°F (14.3°C).Humidity
In Parnell, the average relative humidity in September is 75%.Rainfall
In Parnell, in September, during 11.6 rainfall days, 2.32" (59mm) of precipitation is typically accumulated. In Parnell, during the entire year, the rain falls for 130.5 days and collects up to 25.79" (655mm) of precipitation.Snowfall
In Parnell, snow does not fall in June through September.Daylight
In Parnell, the average length of the day in September is 12h and 27min.On the first day of the month, sunrise is at 6:46 am and sunset at 7:49 pm. On the last day of September, in Parnell, sunrise is at 7:14 am and sunset at 7:01 pm CDT.
Sunshine
In September, the average sunshine is 9.3h.UV index
In September, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: An average maximum UV index of 5 in September leads to these recommendations:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in Parnell?
What is the average humidity in September in Parnell?
How much does it rain in Parnell in September?
When it does not snow in Parnell?
Does it snow in Parnell in September?
How many hours of daylight does Parnell have in September?
What time are sunrise and sunset in September in Parnell?
How long on average sun shines in September in Parnell?
What is the UV index intensity in September in Parnell?
Average temperature in September
Parnell, MO
- Average high temperature in September: 77°F
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (32.5°F).
- Average low temperature in September: 57.7°F
The month with the highest average low temperature is July (66.9°F).
The coldest month (with the lowest average low temperature) is January (18.5°F).
Average pressure in September
Parnell, MO
- Average pressure in September: 30"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in September
Parnell, MO
- Average wind speed in September: 7.6mph
The windiest month (with the highest average wind speed) is March (10.1mph).
The calmest month (with the lowest average wind speed) is July (6.5mph).
Average humidity in September
Parnell, MO
- Average humidity in September: 75%
The month with the highest relative humidity is June (80%).
The month with the lowest relative humidity is October (69%).
Average rainfall in September
Parnell, MO
- Average rainfall in September: 2.32"
The wettest month (with the highest rainfall) is June (4.09").
The driest month (with the least rainfall) is February (0.83").
Average rainfall days in September
Parnell, MO
- Average rainfall days in September: 11.6 days
The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is February (4.4 days).
Average snowfall in September
Parnell, MO
- Average snowfall in September: 0"
The month with the highest snowfall is January (3.31").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Parnell, MO
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (8.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Parnell, MO
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- 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: 4h and 48min).
Average sunshine days in September
Parnell, MO
- Average sunshine days in September: 16.5 days
The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is June (10.6 days).
Average UV index in September
Parnell, MO
- Average UV index in September: 5
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in September
Parnell, MO
- Average cloud cover in September: 29
The months with the most cloud cover are January and March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 27).
Average visibility in September
Parnell, 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).
Parnell, Missouri, USA
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