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
A subtle shift in Winona's weather is observed as August turns into September, with the average high temperature reducing from a moderately hot 80.8°F (27.1°C) to a still warm 74.3°F (23.5°C). September in Winona generally records an average low-temperature of 54.5°F (12.5°C).Humidity
In September, the average relative humidity in Winona is 79%.Rainfall
September is the month with the least rainfall. Rain falls for 14.7 days and accumulates 2.05" (52mm) of precipitation.Snowfall
In Winona, Ohio, snow does not fall in June through September.Daylight
The average length of the day in September is 12h and 27min.On the first day of the month, sunrise is at 6:51 am and sunset at 7:55 pm. On the last day of September, in Winona, sunrise is at 7:19 am and sunset at 7:06 pm EDT.
Sunshine
In Winona, the average sunshine in September is 8.2h.UV index
The average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: In September, the maximum UV index of 4 suggests these recommendations:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Winona in September?
What is the average humidity in September in Winona?
What is the driest month in Winona?
How much does it rain in Winona in September?
When it does not snow in Winona?
Does it snow in Winona in September?
What is the average length of the day in September in Winona?
When is the sunrise / sunset in September in Winona?
How long on average sun shines in September in Winona?
What is the UV index reading in September in Winona?
Average temperature in September
Winona, OH
- Average high temperature in September: 74.3°F
The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is January (31.6°F).
- Average low temperature in September: 54.5°F
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (19°F).
Average pressure in September
Winona, OH
- Average pressure in September: 30.05"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in September
Winona, OH
- Average wind speed in September: 5.6mph
The windiest month (with the highest average wind speed) is January (8.5mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).
Average humidity in September
Winona, OH
- Average humidity in September: 79%
The month with the highest relative humidity is February (87%).
The months with the lowest relative humidity are April, July and August (77%).
Average rainfall in September
Winona, OH
- Average rainfall in September: 2.05"
The wettest month (with the highest rainfall) is June (3.11").
The driest month (with the least rainfall) is September (2.05").
Average rainfall days in September
Winona, OH
- Average rainfall days in September: 14.7 days
The month with the highest number of rainy days is May (19.3 days).
The month with the least rainy days is January (9 days).
Average snowfall in September
Winona, OH
- Average snowfall in September: 0"
The month with the highest snowfall is January (6.57").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Winona, OH
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (17.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Winona, OH
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in September: 8h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 2h and 42min).
Average sunshine days in September
Winona, OH
- Average sunshine days in September: 13.3 days
The month with the most sunshine days is November (13.8 days).
The month with the least sunshine days is February (7.3 days).
Average UV index in September
Winona, OH
- Average UV index in September: 4
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
Winona, OH
- Average cloud cover in September: 40
The month with the most cloud cover is January (Cloud cover 72).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in September
Winona, OH
- Average visibility in September: 5mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January and February (4mi).
Winona, Ohio, USA
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