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
During the shift to September, a minor reduction in average high-temperature is observed, shifting from a moderately hot 75.6°F (24.2°C) in August to a pleasant 68.9°F (20.5°C). In the month of September, Oswegatchie records a consistent average low-temperature of 51.1°F (10.6°C).Humidity
In Oswegatchie, the average relative humidity in September is 79%.Rainfall
The month with the least rainfall in Oswegatchie, New York, is September, when the rain falls for 13.5 days and typically collects 1.73" (44mm) of precipitation.Snowfall
In Oswegatchie, snow does not fall in June through September.Daylight
In Oswegatchie, the average length of the day in September is 12h and 30min.On the first day of the month, sunrise is at 6:24 am and sunset at 7:35 pm. On the last day of September, sunrise is at 6:57 am and sunset at 6:42 pm EDT.
Sunshine
The average sunshine in September is 8.9h.UV index
In Oswegatchie, the average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: The daily maximum UV index of 3 in September interprets into the following advice:
Undertake protective steps - Preventing sun damage is advised. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in Oswegatchie?
What is the average humidity in September in Oswegatchie?
What is the driest month in Oswegatchie?
How much does it rain in Oswegatchie in September?
When it does not snow in Oswegatchie?
Does it snow in Oswegatchie in September?
What is the average length of the day in September in Oswegatchie?
What time are sunrise and sunset in September in Oswegatchie?
How long on average sun shines in September in Oswegatchie?
What is the UV index reading in September in Oswegatchie?
Average temperature in September
Oswegatchie, NY
- Average high temperature in September: 68.9°F
The warmest month (with the highest average high temperature) is July (76.6°F).
The month with the lowest average high temperature is January (24.4°F).
- Average low temperature in September: 51.1°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 (11.5°F).
Average pressure in September
Oswegatchie, NY
- Average pressure in September: 30.04"Hg
The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in September
Oswegatchie, NY
- Average wind speed in September: 6.8mph
The windiest months (with the highest average wind speed) are January, February and April (9.1mph).
The calmest months (with the lowest average wind speed) are July and August (6.5mph).
Average humidity in September
Oswegatchie, NY
- Average humidity in September: 79%
The months with the highest relative humidity are January and February (89%).
The month with the lowest relative humidity is April (77%).
Average rainfall in September
Oswegatchie, NY
- Average rainfall in September: 1.73"
The wettest month (with the highest rainfall) is October (3.15").
The driest month (with the least rainfall) is September (1.73").
Average rainfall days in September
Oswegatchie, NY
- Average rainfall days in September: 13.5 days
The month with the highest number of rainy days is July (17.7 days).
The month with the least rainy days is February (7.8 days).
Average snowfall in September
Oswegatchie, NY
- Average snowfall in September: 0"
The month with the highest snowfall is January (9.69").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Oswegatchie, NY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (20.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Oswegatchie, NY
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in September: 8h and 5min
The months with the most sunshine are July and August (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 2h and 42min).
Average sunshine days in September
Oswegatchie, NY
- Average sunshine days in September: 14.2 days
The month with the most sunshine days is September (14.2 days).
The month with the least sunshine days is February (6.5 days).
Average UV index in September
Oswegatchie, NY
- Average UV index in September: 3
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in September
Oswegatchie, NY
- Average cloud cover in September: 35
The month with the most cloud cover is February (Cloud cover 73).
The months with the least cloud cover are July and August (Cloud cover 34).
Average visibility in September
Oswegatchie, NY
- Average visibility in September: 6mi
The months with the highest visibility are April, May, September, October and November (6mi).
The month with the lowest visibility is January (4mi).
Oswegatchie, New York, USA
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