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
As September commences, the average high-temperature subtly reduces, transitioning from a moderately hot 74.8°F (23.8°C) in August to a pleasant 68.2°F (20.1°C). Chateaugay records an average temperature drop to a fresh 50°F (10°C) in September.Humidity
In September, the average relative humidity is 79%.Rainfall
September is the month with the least rainfall. Rain falls for 14.3 days and accumulates 2.01" (51mm) of precipitation.Snowfall
In Chateaugay, snow does not fall in June through September.Daylight
The average length of the day in September is 12h and 31min.On the first day of September in Chateaugay, sunrise is at 6:19 am and sunset at 7:32 pm. On the last day of the month, sunrise is at 6:53 am and sunset at 6:38 pm EDT.
Sunshine
In September, the average sunshine is 8.9h.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 ordinary person.Note: The maximum UV index of 3 during September leads to these instructions:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the 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?
What is the driest month?
How many days does it rain in September in Chateaugay?
When it does not snow?
Does it snow in September?
How many hours of daylight does Chateaugay have in September?
When is the sunrise / sunset in September?
How many hours of sunshine does Chateaugay have in September?
What is the UV index reading in September?
Average temperature in September
Chateaugay, NY
- Average high temperature in September: 68.2°F
The warmest month (with the highest average high temperature) is July (76.3°F).
The month with the lowest average high temperature is January (22.8°F).
- Average low temperature in September: 50°F
The month with the highest average low temperature is July (58.1°F).
The coldest month (with the lowest average low temperature) is January (10.8°F).
Average pressure in September
Chateaugay, NY
- Average pressure in September: 30.04"Hg
The months with the highest atmospheric pressure are March and November (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in September
Chateaugay, NY
- Average wind speed in September: 6.5mph
The windiest months (with the highest average wind speed) are February and April (8.5mph).
The calmest months (with the lowest average wind speed) are July, August and September (6.5mph).
Average humidity in September
Chateaugay, NY
- Average humidity in September: 79%
The month with the highest relative humidity is February (91%).
The month with the lowest relative humidity is May (77%).
Average rainfall in September
Chateaugay, NY
- Average rainfall in September: 2.01"
The wettest months (with the highest rainfall) are June and October (3.15").
The driest month (with the least rainfall) is September (2.01").
Average rainfall days in September
Chateaugay, NY
- Average rainfall days in September: 14.3 days
The month with the highest number of rainy days is June (18.5 days).
The month with the least rainy days is February (6.8 days).
Average snowfall in September
Chateaugay, NY
- Average snowfall in September: 0"
The month with the highest snowfall is January (13.5").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Chateaugay, NY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (22.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Chateaugay, 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 48min).
- Average sunshine in September: 8h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 2h and 48min).
Average sunshine days in September
Chateaugay, 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 (4.5 days).
Average UV index in September
Chateaugay, NY
- Average UV index in September: 3
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in September
Chateaugay, NY
- Average cloud cover in September: 35
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
Chateaugay, NY
- Average visibility in September: 6mi
The months with the highest visibility are May, July and September (6mi).
The months with the lowest visibility are January, February, March and December (4mi).
Chateaugay, New York, USA
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