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
The move into September indicates a slight reduction in the average high-temperature, down from August's moderately hot 76.3°F (24.6°C) to an agreeable 69.6°F (20.9°C). An average nighttime temperature of 50°F (10°C) is recorded during September.Humidity
The average relative humidity in September is 81%.Rainfall
In Glen Castle, in September, it is raining for 13.5 days, with typically 2.56" (65mm) of accumulated precipitation. In Glen Castle, during the entire year, the rain falls for 173.5 days and collects up to 35.67" (906mm) of precipitation.Snowfall
June through September are months without snowfall in Glen Castle, New York.Daylight
In Glen Castle, the average length of the day in September is 12h and 28min.On the first day of the month, sunrise is at 6:29 am and sunset at 7:37 pm. On the last day of September, sunrise is at 7:00 am and sunset at 6:46 pm EDT.
Sunshine
The average sunshine in September is 8.4h.UV index
In Glen Castle, New York, the average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.Note: In September, the maximum UV index of 3 transforms into these recommendations:
Be careful. Light complexion individuals 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. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Frequently asked questions
What is the temperature in September in Glen Castle?
What is the average humidity in September in Glen Castle?
How many days does it rain in September in Glen Castle?
When it does not snow in Glen Castle?
Does it snow in Glen Castle in September?
What is the average length of the day in September in Glen Castle?
What time are sunrise and sunset in September in Glen Castle?
How long on average sun shines in September in Glen Castle?
What is the UV index intensity in September in Glen Castle?
Average temperature in September
Glen Castle, NY
- Average high temperature in September: 69.6°F
The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is January (27.3°F).
- Average low temperature in September: 50°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 (15.8°F).
Average pressure in September
Glen Castle, 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
Glen Castle, NY
- Average wind speed in September: 6.3mph
The windiest month (with the highest average wind speed) is January (9.3mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).
Average humidity in September
Glen Castle, NY
- Average humidity in September: 81%
The month with the highest relative humidity is February (87%).
The months with the lowest relative humidity are April, May, June and July (80%).
Average rainfall in September
Glen Castle, NY
- Average rainfall in September: 2.56"
The wettest month (with the highest rainfall) is June (3.58").
The driest months (with the least rainfall) are January and November (2.4").
Average rainfall days in September
Glen Castle, NY
- Average rainfall days in September: 13.5 days
The month with the highest number of rainy days is July (19.3 days).
The month with the least rainy days is February (7.3 days).
Average snowfall in September
Glen Castle, NY
- Average snowfall in September: 0"
The month with the highest snowfall is February (10.87").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Glen Castle, NY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (21.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Glen Castle, NY
- Average daylight in September: 12h and 3min
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 2min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 2h and 30min).
Average sunshine days in September
Glen Castle, NY
- Average sunshine days in September: 14.3 days
The month with the most sunshine days is September (14.3 days).
The month with the least sunshine days is February (5.7 days).
Average UV index in September
Glen Castle, 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, February and December (UV index 1).
Average cloud cover in September
Glen Castle, NY
- Average cloud cover in September: 42
The month with the most cloud cover is February (Cloud cover 74).
The month with the least cloud cover is July (Cloud cover 39).
Average visibility in September
Glen Castle, NY
- Average visibility in September: 5mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January and February (4mi).
Glen Castle, New York, USA
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