September weather forecastCatatonk, NY
September
Weather in September
September, the first month of the autumn in Catatonk, is still a pleasant month, with an average temperature ranging between min 50.2°F (10.1°C) and max 70.7°F (21.5°C).Temperature
The start of September signals a gentle decrease in the average high-temperature, transitioning from a moderately hot 77.5°F (25.3°C) in August to an agreeable 70.7°F (21.5°C). Catatonk witnesses an average low-temperature of 50.2°F (10.1°C) throughout the month of September.Humidity
The average relative humidity in September is 81%.Rainfall
In Catatonk, in September, it is raining for 13.4 days, with typically 2.52" (64mm) of accumulated precipitation. In Catatonk, during the entire year, the rain falls for 171.9 days and collects up to 32.09" (815mm) of precipitation.Snowfall
In Catatonk, snow does not fall in June through September.Daylight
In September, the average length of the day is 12h and 28min.On the first day of the month, sunrise is at 6:31 am and sunset at 7:38 pm. On the last day of September, sunrise is at 7:01 am and sunset at 6:48 pm EDT.
Sunshine
In September, the average sunshine is 8.6h.UV index
In September, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the average person.Note: A maximum daily UV index of 3 during September morphs into the following directions:
Undertake precautions - Guarding against sun damage is counselled. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Catatonk, NY
- Average high temperature in September: 70.7°F
The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (28.4°F).
- Average low temperature in September: 50.2°F
The month with the highest average low temperature is July (57.4°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).
Average pressure in September
Catatonk, NY
- Average pressure in September: 30.06"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Catatonk, NY
- Average wind speed in September: 6.1mph
The windiest month (with the highest average wind speed) is January (9mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in September
Catatonk, NY
- Average humidity in September: 81%
The month with the highest relative humidity is February (86%).
The months with the lowest relative humidity are April, May, June and July (79%).
Average rainfall in September
Catatonk, NY
- Average rainfall in September: 2.52"
The wettest month (with the highest rainfall) is May (3.15").
The driest month (with the least rainfall) is January (2.13").
Average rainfall days in September
Catatonk, NY
- Average rainfall days in September: 13.4 days
The month with the highest number of rainy days is May (17.9 days).
The month with the least rainy days is January (8.9 days).
Average snowfall in September
Catatonk, NY
- Average snowfall in September: 0"
The month with the highest snowfall is February (8.58").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Catatonk, NY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (18.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Catatonk, NY
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in September: 8h and 36min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 2h and 54min).
Average sunshine days in September
Catatonk, NY
- Average sunshine days in September: 13.7 days
The month with the most sunshine days is September (13.7 days).
The month with the least sunshine days is February (6 days).
Average UV index in September
Catatonk, 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 and December (UV index 1).
Average cloud cover in September
Catatonk, NY
- Average cloud cover in September: 41
The month with the most cloud cover is February (Cloud cover 71).
The month with the least cloud cover is July (Cloud cover 37).
Average visibility in September
Catatonk, NY
- Average visibility in September: 5mi
The months with the highest visibility are January, March, April, May, June, July, August, September, October, November and December (5mi).
The month with the lowest visibility is February (4mi).
