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
September implies a soft temperature shift, with average high-temperatures reducing from August's moderately hot 79.2°F (26.2°C) to an agreeable 71.2°F (21.8°C). In September, Castleton-on-Hudson's temperature tends to fall to an average low of 50.5°F (10.3°C) during the night.Humidity
The average relative humidity in September is 79%.Rainfall
In Castleton-on-Hudson, in September, it is raining for 11.6 days, with typically 2.2" (56mm) of accumulated precipitation. In Castleton-on-Hudson, during the entire year, the rain falls for 151.6 days and collects up to 28.78" (731mm) of precipitation.Snowfall
In Castleton-on-Hudson, snow does not fall in June through September.Daylight
In Castleton-on-Hudson, New York, the average length of the day in September is 12h and 29min.On the first day of September, sunrise is at 6:20 am and sunset at 7:28 pm. On the last day of the month, sunrise is at 6:51 am and sunset at 6:37 pm EDT.
Sunshine
In September, the average sunshine in Castleton-on-Hudson is 8.9h.UV index
In Castleton-on-Hudson, the average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum UV index, 3 during September, leads to the following recommendations:
Exercise care. People with light skin might get burns in fewer than 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. 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.
Frequently asked questions
What is the average September temperature in Castleton-on-Hudson?
What is the average humidity in September in Castleton-on-Hudson?
How much does it rain in Castleton-on-Hudson in September?
When it does not snow in Castleton-on-Hudson?
Does it snow in Castleton-on-Hudson in September?
What is the average length of the day in September in Castleton-on-Hudson?
What time are sunrise and sunset in September in Castleton-on-Hudson?
How many hours of sunshine does Castleton-on-Hudson have in September?
How high is the UV index in September in Castleton-on-Hudson?
Average temperature in September
Castleton-on-Hudson, NY
- Average high temperature in September: 71.2°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (28.9°F).
- Average low temperature in September: 50.5°F
The month with the highest average low temperature is July (58.6°F).
The coldest month (with the lowest average low temperature) is January (16.5°F).
Average pressure in September
Castleton-on-Hudson, 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 (29.92"Hg).
Average wind speed in September
Castleton-on-Hudson, NY
- Average wind speed in September: 5.5mph
The windiest months (with the highest average wind speed) are January, February and March (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).
Average humidity in September
Castleton-on-Hudson, NY
- Average humidity in September: 79%
The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is April (75%).
Average rainfall in September
Castleton-on-Hudson, NY
- Average rainfall in September: 2.2"
The wettest month (with the highest rainfall) is July (3.19").
The driest month (with the least rainfall) is January (1.61").
Average rainfall days in September
Castleton-on-Hudson, NY
- Average rainfall days in September: 11.6 days
The month with the highest number of rainy days is July (16.9 days).
The month with the least rainy days is February (7.1 days).
Average snowfall in September
Castleton-on-Hudson, NY
- Average snowfall in September: 0"
The month with the highest snowfall is February (5.12").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Castleton-on-Hudson, NY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (10.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Castleton-on-Hudson, 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 5min
The months with the most sunshine are July and August (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 3h and 48min).
Average sunshine days in September
Castleton-on-Hudson, NY
- Average sunshine days in September: 16.3 days
The month with the most sunshine days is November (18.3 days).
The month with the least sunshine days is June (11.4 days).
Average UV index in September
Castleton-on-Hudson, 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
Castleton-on-Hudson, NY
- Average cloud cover in September: 36
The month with the most cloud cover is February (Cloud cover 59).
The months with the least cloud cover are July and August (Cloud cover 34).
Average visibility in September
Castleton-on-Hudson, NY
- Average visibility in September: 5mi
The months with the highest visibility are April, July, November and December (6mi).
The months with the lowest visibility are January, February, March, May, June, August, September and October (5mi).
Castleton-on-Hudson, New York, USA
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