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 moderate decline in average high-temperatures is noted in September, moving from a moderately hot 24.3°C (75.7°F) in August to an agreeable 20.9°C (69.6°F). In Chaffee, the expected average low-temperature for September is a fresh 10.5°C (50.9°F).Humidity
In Chaffee, the average relative humidity in September is 81%.Rainfall
The month with the least rainfall is September, when the rain falls for 15.8 days and typically collects 46mm (1.81") of precipitation.Snowfall
June through September are months without snowfall.Daylight
In September, the average length of the day is 12h and 29min.On the first day of September, sunrise is at 6:39 am and sunset at 7:47 pm. On the last day of the month, sunrise is at 7:10 am and sunset at 6:56 pm EDT.
Sunshine
The average sunshine in September is 8.3h.UV index
In Chaffee, the average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the average person.Note: The maximum daily UV index of 3 during September translates into the following directions:
Heed the precautions - Suggestions to avoid sunburn are made. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
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 much does it rain in September?
When it does not snow in Chaffee?
Does it snow in September?
What is the average length of the day in September?
When are sunrise and sunset in September?
How long on average sun shines in September?
What is the UV index reading in September?
Average temperature in September
Chaffee, NY
- Average high temperature in September: 20.9°C
The warmest month (with the highest average high temperature) is July (25.3°C).
The month with the lowest average high temperature is January (-2.5°C).
- Average low temperature in September: 10.5°C
The month with the highest average low temperature is July (14.5°C).
The coldest month (with the lowest average low temperature) is January (-8.8°C).
Average pressure in September
Chaffee, NY
- Average pressure in September: 1017.7mbar
The month with the highest atmospheric pressure is November (1019.2mbar).
The month with the lowest atmospheric pressure is June (1013.5mbar).
Average wind speed in September
Chaffee, NY
- Average wind speed in September: 10.8km/h
The windiest month (with the highest average wind speed) is January (17.4km/h).
The calmest months (with the lowest average wind speed) are July and August (10.5km/h).
Average humidity in September
Chaffee, NY
- Average humidity in September: 81%
The months with the highest relative humidity are January and February (89%).
The month with the lowest relative humidity is May (79%).
Average rainfall in September
Chaffee, NY
- Average rainfall in September: 46mm
The wettest month (with the highest rainfall) is May (86mm).
The driest month (with the least rainfall) is September (46mm).
Average rainfall days in September
Chaffee, NY
- Average rainfall days in September: 15.8 days
The month with the highest number of rainy days is July (19.3 days).
The month with the least rainy days is February (6.8 days).
Average snowfall in September
Chaffee, NY
- Average snowfall in September: 0mm
The month with the highest snowfall is February (294mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Chaffee, NY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (21.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Chaffee, NY
- Average daylight in September: 12h and 3min
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 2min
The months with the most sunshine are July and August (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 2h and 6min).
Average sunshine days in September
Chaffee, NY
- Average sunshine days in September: 12.3 days
The month with the most sunshine days is September (12.3 days).
The month with the least sunshine days is February (4.7 days).
Average UV index in September
Chaffee, 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
Chaffee, NY
- Average cloud cover in September: 41
The month with the most cloud cover is January (Cloud cover 80).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility in September
Chaffee, NY
- Average visibility in September: 8km
The months with the highest visibility are March, April, May, June, July, August, September, October and November (8km).
The months with the lowest visibility are January, February and December (7km).
Chaffee, New York, USA
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