September weather forecastOmro, NY
September
Weather in September
The first month of the autumn, September, is still a pleasant month in Omro, New York, with an average temperature fluctuating between 70.5°F (21.4°C) and 51.6°F (10.9°C).Temperature
Omro's weather subtly changes with the onset of September, barely falling from a moderately hot 76.6°F (24.8°C) in August to a pleasant 70.5°F (21.4°C). In the month of September, the average temperature dips to a fresh 51.6°F (10.9°C) during the night.Humidity
In September, the average relative humidity is 80%.Rainfall
The months with the least rainfall are January and September Rain falls for 9.5 days and accumulates 0.67" (17mm) of rain.Snowfall
In Omro, New York, snow does not fall in June through September.Daylight
The average length of the day in September is 12h and 29min.On the first day of September, sunrise is at 6:31 am and sunset at 7:39 pm. On the last day of the month, sunrise is at 7:02 am and sunset at 6:48 pm EDT.
Sunshine
In Omro, the average sunshine in September is 8.8h.UV index
In September, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the average person.Note: In September, the UV index of 3 transforms into the following advice:
Guard yourself - An obligation to protect skin and eyes from harm exists. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Omro, NY
- Average high temperature in September: 70.5°F
The warmest month (with the highest average high temperature) is July (78.6°F).
The month with the lowest average high temperature is January (28.4°F).
- Average low temperature in September: 51.6°F
The month with the highest average low temperature is July (59.4°F).
The coldest month (with the lowest average low temperature) is January (17.2°F).
Average pressure in September
Omro, NY
- Average pressure in September: 30.06"Hg
The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Omro, NY
- Average wind speed in September: 6.6mph
The windiest month (with the highest average wind speed) is January (10.2mph).
The calmest month (with the lowest average wind speed) is July (6mph).
Average humidity in September
Omro, NY
- Average humidity in September: 80%
The month with the highest relative humidity is February (87%).
The months with the lowest relative humidity are April and May (79%).
Average rainfall in September
Omro, NY
- Average rainfall in September: 0.67"
The wettest months (with the highest rainfall) are May and June (1.22").
The driest months (with the least rainfall) are January and September (0.67").
Average rainfall days in September
Omro, NY
- Average rainfall days in September: 9.5 days
The month with the highest number of rainy days is May (14.3 days).
The month with the least rainy days is January (3.9 days).
Average snowfall in September
Omro, NY
- Average snowfall in September: 0"
The month with the highest snowfall is February (3.07").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Omro, NY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (14.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Omro, NY
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in September: 8h and 48min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 2h and 30min).
Average sunshine days in September
Omro, NY
- Average sunshine days in September: 18.5 days
The month with the most sunshine days is September (18.5 days).
The month with the least sunshine days is February (12.7 days).
Average UV index in September
Omro, NY
- Average UV index in September: 3
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February and December (UV index 1).
Average cloud cover in September
Omro, NY
- Average cloud cover in September: 37
The month with the most cloud cover is February (Cloud cover 74).
The months with the least cloud cover are July and August (Cloud cover 34).
Average visibility in September
Omro, NY
- Average visibility in September: 6mi
The months with the highest visibility are April, May, June, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March and July (5mi).





