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
Fredericktown, Missouri, observes a small decrease in the average high-temperature with the arrival of September, falling from August's tropical 86.5°F (30.3°C) to a warm 80.4°F (26.9°C). Fredericktown's average low-temperature during September nights is observed to be a moderate 59.2°F (15.1°C).Humidity
The average relative humidity in September in Fredericktown is 75%.Rainfall
The month with the least rainfall is September, when the rain falls for 12.6 days and typically collects 1.85" (47mm) of precipitation.Snowfall
April through September are months without snowfall.Daylight
In Fredericktown, Missouri, the average length of the day in September is 12h and 25min.On the first day of the month, sunrise is at 6:32 am and sunset at 7:29 pm. On the last day of September, in Fredericktown, sunrise is at 6:56 am and sunset at 6:45 pm CDT.
Sunshine
In Fredericktown, the average sunshine in September is 9.3h.UV index
The average daily maximum UV index in September in Fredericktown is 5. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for average individuals.Note: The maximum daily UV index of 5 in September interprets into the following recommendations:
Take precautions - Protection against skin and eye damage is obliged. When the Sun is at its strongest around midday, find shade and limit exposure. 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 are the temperatures in Fredericktown in September?
What is the average humidity in September in Fredericktown?
What is the driest month in Fredericktown?
How much does it rain in Fredericktown in September?
When it does not snow in Fredericktown?
Does it snow in Fredericktown in September?
How many hours of daylight does Fredericktown have in September?
When is the sunrise / sunset in September in Fredericktown?
How long on average sun shines in September in Fredericktown?
How high is the UV index in September in Fredericktown?
Average temperature in September
Fredericktown, MO
- Average high temperature in September: 80.4°F
The warmest month (with the highest average high temperature) is July (88.5°F).
The month with the lowest average high temperature is January (39.9°F).
- Average low temperature in September: 59.2°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 (25.7°F).
Average pressure in September
Fredericktown, 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
Fredericktown, MO
- Average wind speed in September: 5.5mph
The windiest month (with the highest average wind speed) is January (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).
Average humidity in September
Fredericktown, MO
- Average humidity in September: 75%
The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is October (72%).
Average rainfall in September
Fredericktown, MO
- Average rainfall in September: 1.85"
The wettest month (with the highest rainfall) is April (4.02").
The driest month (with the least rainfall) is September (1.85").
Average rainfall days in September
Fredericktown, MO
- Average rainfall days in September: 12.6 days
The month with the highest number of rainy days is July (17.7 days).
The month with the least rainy days is January (7.6 days).
Average snowfall in September
Fredericktown, MO
- Average snowfall in September: 0"
The month with the highest snowfall is February (2.76").
The months with the least snowfall are April, May, June, July, August and September (0").
Average snowfall days in September
Fredericktown, MO
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (4.4 days).
The months with the least snowfall days are April, May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Fredericktown, 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 36min).
- Average sunshine in September: 9h and 2min
The months with the most sunshine are June and July (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in September
Fredericktown, MO
- Average sunshine days in September: 15.3 days
The month with the most sunshine days is October (20 days).
The month with the least sunshine days is May (11.5 days).
Average UV index in September
Fredericktown, 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
Fredericktown, MO
- Average cloud cover in September: 31
The months with the most cloud cover are February and March (Cloud cover 49).
The month with the least cloud cover is June (Cloud cover 30).
Average visibility in September
Fredericktown, MO
- Average visibility in September: 5mi
The months with the highest visibility are January, February, March, April, June, October, November and December (6mi).
The months with the lowest visibility are May, July, August and September (5mi).
Fredericktown, Missouri, USA
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