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 onset of September brings a small shift in high-temperatures, falling from a moderately hot 84.9°F (29.4°C) in August to a still warm 78.6°F (25.9°C). Throughout September, Georgetown anticipates an average low-temperature of 59.5°F (15.3°C).Humidity
In September, the average relative humidity is 75%.Rainfall
In Georgetown, in September, during 9.9 rainfall days, 1.18" (30mm) of precipitation is typically accumulated. Throughout the year, there are 121 rainfall days, and 15.67" (398mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
In Georgetown, the average length of the day in September is 12h and 26min.On the first day of the month, sunrise is at 6:42 am and sunset at 7:42 pm. On the last day of September, sunrise is at 7:08 am and sunset at 6:56 pm CDT.
Sunshine
The average sunshine in September is 9.5h.UV index
In September, the average daily maximum UV index in Georgetown, Missouri, is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: A maximum high UV index of 5 in September translates into the following recommendations:
Guard yourself - An obligation to protect skin and eyes from harm exists. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Georgetown in September?
What is the average humidity in September in Georgetown?
How much does it rain in Georgetown in September?
When it does not snow in Georgetown?
Does it snow in Georgetown in September?
What is the average length of the day in September in Georgetown?
What time are sunrise and sunset in September in Georgetown?
How many hours of sunshine does Georgetown have in September?
How high is the UV index in September in Georgetown?
Average temperature in September
Georgetown, MO
- Average high temperature in September: 78.6°F
The warmest month (with the highest average high temperature) is July (86.4°F).
The month with the lowest average high temperature is January (37°F).
- Average low temperature in September: 59.5°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 (23.5°F).
Average pressure in September
Georgetown, MO
- Average pressure in September: 30.02"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in September
Georgetown, MO
- Average wind speed in September: 6.9mph
The windiest months (with the highest average wind speed) are January, February and March (9.9mph).
The calmest month (with the lowest average wind speed) is July (6.3mph).
Average humidity in September
Georgetown, MO
- Average humidity in September: 75%
The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is October (72%).
Average rainfall in September
Georgetown, MO
- Average rainfall in September: 1.18"
The wettest month (with the highest rainfall) is May (2.28").
The driest month (with the least rainfall) is January (0.71").
Average rainfall days in September
Georgetown, MO
- Average rainfall days in September: 9.9 days
The month with the highest number of rainy days is May (14.1 days).
The month with the least rainy days is December (5.5 days).
Average snowfall in September
Georgetown, MO
- Average snowfall in September: 0"
The month with the highest snowfall is January (1.1").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Georgetown, MO
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (6.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Georgetown, 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 30min).
- Average sunshine in September: 9h and 3min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The months with the least sunshine are January and February (Average sunshine: 5h and 0min).
Average sunshine days in September
Georgetown, MO
- Average sunshine days in September: 17.8 days
The month with the most sunshine days is December (21.4 days).
The month with the least sunshine days is May (12.8 days).
Average UV index in September
Georgetown, 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
Georgetown, MO
- Average cloud cover in September: 29
The months with the most cloud cover are February and March (Cloud cover 47).
The months with the least cloud cover are June, July and August (Cloud cover 27).
Average visibility in September
Georgetown, 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).
Georgetown, Missouri, USA
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