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 hot 86.5°F (30.3°C) to a moderately hot 80.1°F (26.7°C). During September in Mountain Grove, the average low-temperature is recorded at a refreshing 59.5°F (15.3°C).Humidity
August through October, with an average relative humidity of 74%, are the least humid months.Rainfall
In Mountain Grove, Missouri, in September, during 13.1 rainfall days, 1.93" (49mm) of precipitation is typically accumulated. In Mountain Grove, during the entire year, the rain falls for 154.1 days and collects up to 32.83" (834mm) of precipitation.Snowfall
In Mountain Grove, Missouri, snow does not fall in June through October.Daylight
In September, the average length of the day is 12h and 25min.On the first day of September in Mountain Grove, sunrise is at 6:40 am and sunset at 7:37 pm. On the last day of the month, sunrise is at 7:04 am and sunset at 6:53 pm CDT.
Sunshine
The average sunshine in September in Mountain Grove is 9.5h.UV index
The average daily maximum UV index in September in Mountain Grove is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for average individuals.Note: The daily high UV index of 5 in September translates into this advice:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Mountain Grove in September?
What is the least humid month in Mountain Grove?
What is the average humidity in September in Mountain Grove?
How many days does it rain in September in Mountain Grove?
When it does not snow in Mountain Grove?
What is the average length of the day in September in Mountain Grove?
When are sunrise and sunset in September in Mountain Grove?
How many hours of sunshine does Mountain Grove have in September?
How high is the UV index in September in Mountain Grove?
Average temperature in September
Mountain Grove, MO
- Average high temperature in September: 80.1°F
The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is January (40.8°F).
- Average low temperature in September: 59.5°F
The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).
Average pressure in September
Mountain Grove, 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 (29.93"Hg).
Average wind speed in September
Mountain Grove, MO
- Average wind speed in September: 5.8mph
The windiest month (with the highest average wind speed) is January (8.8mph).
The calmest month (with the lowest average wind speed) is July (5.4mph).
Average humidity in September
Mountain Grove, MO
- Average humidity in September: 74%
The months with the highest relative humidity are March and May (79%).
The months with the lowest relative humidity are August, September and October (74%).
Average rainfall in September
Mountain Grove, MO
- Average rainfall in September: 1.93"
The wettest month (with the highest rainfall) is May (4.06").
The driest month (with the least rainfall) is February (1.77").
Average rainfall days in September
Mountain Grove, MO
- Average rainfall days in September: 13.1 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is January (7.8 days).
Average snowfall in September
Mountain Grove, MO
- Average snowfall in September: 0"
The month with the highest snowfall is January (2.4").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in September
Mountain Grove, MO
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (5 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Mountain Grove, MO
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in September: 9h and 3min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).
Average sunshine days in September
Mountain Grove, MO
- Average sunshine days in September: 15.3 days
The month with the most sunshine days is December (19.7 days).
The month with the least sunshine days is August (11.5 days).
Average UV index in September
Mountain Grove, 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 and December (UV index 2).
Average cloud cover in September
Mountain Grove, MO
- Average cloud cover in September: 31
The month with the most cloud cover is March (Cloud cover 49).
The months with the least cloud cover are June and August (Cloud cover 30).
Average visibility in September
Mountain Grove, MO
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, June, August, September, October, November and December (6mi).
The months with the lowest visibility are May and July (5mi).
Mountain Grove, Missouri, USA
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