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 86.2°F (30.1°C) in August to a moderately hot 79.9°F (26.6°C). During the month of September, the nighttime temperature in Grubville falls to an average of 59.9°F (15.5°C).Humidity
In September, the average relative humidity in Grubville is 74%.Rainfall
In Grubville, during September, the rain falls for 12.3 days and regularly aggregates up to 1.81" (46mm) of precipitation. In Grubville, during the entire year, the rain falls for 142.7 days and collects up to 28.58" (726mm) of precipitation.Snowfall
In Grubville, snow does not fall in April through October.Daylight
In Grubville, the average length of the day in September is 12h and 25min.On the first day of the month, sunrise is at 6:33 am and sunset at 7:32 pm. On the last day of September, sunrise is at 6:58 am and sunset at 6:46 pm CDT.
Sunshine
In September, the average sunshine is 9.4h.UV index
The average daily maximum UV index in September in Grubville, Missouri, is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the ordinary person.Note: In September, an average UV index of 5 transforms into the following instructions:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Grubville in September?
What is the average humidity in September in Grubville?
How many days does it rain in September in Grubville?
When it does not snow in Grubville?
What is the average length of the day in September in Grubville?
When is the sunrise / sunset in September in Grubville?
How many hours of sunshine does Grubville have in September?
What is the UV index intensity in September in Grubville?
Average temperature in September
Grubville, MO
- Average high temperature in September: 79.9°F
The warmest month (with the highest average high temperature) is July (87.8°F).
The month with the lowest average high temperature is January (39°F).
- Average low temperature in September: 59.9°F
The month with the highest average low temperature is July (68.4°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).
Average pressure in September
Grubville, MO
- Average pressure in September: 30.02"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
Grubville, MO
- Average wind speed in September: 5.5mph
The windiest month (with the highest average wind speed) is January (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in September
Grubville, 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
Grubville, MO
- Average rainfall in September: 1.81"
The wettest month (with the highest rainfall) is May (3.46").
The driest month (with the least rainfall) is February (1.5").
Average rainfall days in September
Grubville, MO
- Average rainfall days in September: 12.3 days
The month with the highest number of rainy days is July (16.5 days).
The month with the least rainy days is January (7 days).
Average snowfall in September
Grubville, MO
- Average snowfall in September: 0"
The month with the highest snowfall is February (2.28").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Grubville, MO
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (7.1 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Grubville, 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 2min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).
Average sunshine days in September
Grubville, MO
- Average sunshine days in September: 15.4 days
The month with the most sunshine days is December (19.4 days).
The month with the least sunshine days is July (11.4 days).
Average UV index in September
Grubville, 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
Grubville, MO
- Average cloud cover in September: 30
The month with the most cloud cover is January (Cloud cover 49).
The months with the least cloud cover are June, July and August (Cloud cover 28).
Average visibility in September
Grubville, 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).
Grubville, Missouri, USA
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