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 implies a soft temperature shift, with average high-temperatures reducing from August's warm 78.3°F (25.7°C) to an agreeable 72.9°F (22.7°C). Throughout September, the average low-temperature in Fredericktown dips to a cool 54.5°F (12.5°C).Humidity
In Fredericktown, the average relative humidity in September is 81%.Rainfall
In Fredericktown, in September, during 11.9 rainfall days, 1.18" (30mm) of precipitation is typically accumulated. Throughout the year, in Fredericktown, there are 143.7 rainfall days, and 17.44" (443mm) of precipitation is accumulated.Snowfall
In Fredericktown, Ohio, snow does not fall in May through October.Daylight
The average length of the day in September is 12h and 27min.On the first day of the month, sunrise is at 6:58 am and sunset at 8:01 pm. On the last day of September, in Fredericktown, sunrise is at 7:26 am and sunset at 7:13 pm EDT.
Sunshine
In September, the average sunshine is 7.9h.UV index
In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for average individuals.Note: In September, a daily maximum UV index of 4 leads to the following instructions:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures?
What is the average humidity in September?
How many days does it rain in September?
When it does not snow?
What is the average length of the day in September?
When is the sunrise / sunset in September?
How long on average sun shines in September?
What is the UV index reading in September?
Average temperature in September
Fredericktown, OH
- Average high temperature in September: 72.9°F
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (31.1°F).
- Average low temperature in September: 54.5°F
The month with the highest average low temperature is July (62.1°F).
The coldest month (with the lowest average low temperature) is January (18.7°F).
Average pressure in September
Fredericktown, OH
- Average pressure in September: 30.04"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in September
Fredericktown, OH
- Average wind speed in September: 6.5mph
The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).
Average humidity in September
Fredericktown, OH
- Average humidity in September: 81%
The month with the highest relative humidity is January (86%).
The months with the lowest relative humidity are April and November (78%).
Average rainfall in September
Fredericktown, OH
- 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 February (0.98").
Average rainfall days in September
Fredericktown, OH
- Average rainfall days in September: 11.9 days
The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is February (6.3 days).
Average snowfall in September
Fredericktown, OH
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.46").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Fredericktown, OH
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (10.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Fredericktown, OH
- 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: 7h and 5min
The month with the most sunshine is August (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in September
Fredericktown, OH
- Average sunshine days in September: 15.9 days
The month with the most sunshine days is November (19.2 days).
The month with the least sunshine days is May (10.4 days).
Average UV index in September
Fredericktown, OH
- Average UV index in September: 4
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in September
Fredericktown, OH
- Average cloud cover in September: 39
The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in September
Fredericktown, OH
- Average visibility in September: 5mi
The months with the highest visibility are February, March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are January, July, August and September (5mi).
Fredericktown, Ohio, USA
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