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 witnesses a gentle descent in average high-temperature, descending from August's 80.8°F (27.1°C) to a still warm 73.9°F (23.3°C). Greenwood Lake experiences an average low-temperature of 55°F (12.8°C) in the month of September.Humidity
In Greenwood Lake, the average relative humidity in September is 78%.Rainfall
In Greenwood Lake, in September, it is raining for 11.8 days, with typically 1.42" (36mm) of accumulated precipitation. Throughout the year, there are 137.6 rainfall days, and 23.31" (592mm) of precipitation is accumulated.Snowfall
In Greenwood Lake, New York, snow does not fall in June through September.Daylight
In September, the average length of the day in Greenwood Lake, New York, is 12h and 28min.On the first day of September in Greenwood Lake, sunrise is at 6:24 am and sunset at 7:29 pm. On the last day of the month, sunrise is at 6:53 am and sunset at 6:40 pm EDT.
Sunshine
In Greenwood Lake, New York, the average sunshine in September is 8.7h.UV index
In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: A daily maximum UV index of 4 in September translates into the following instructions:
Ensure safety - Imperative it is to shield skin and eyes from damage. Direct Sun exposure should be minimized especially during midday when radiation is most intense. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Frequently asked questions
What are September temperatures in Greenwood Lake?
What is the average humidity in September in Greenwood Lake?
How many days does it rain in September in Greenwood Lake?
When it does not snow in Greenwood Lake?
Does it snow in Greenwood Lake in September?
What is the average length of the day in September in Greenwood Lake?
What time are sunrise and sunset in September in Greenwood Lake?
How many hours of sunshine does Greenwood Lake have in September?
How high is the UV index in September in Greenwood Lake?
Average temperature in September
Greenwood Lake, NY
- Average high temperature in September: 73.9°F
The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (33.3°F).
- Average low temperature in September: 55°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).
Average pressure in September
Greenwood Lake, NY
- Average pressure in September: 30.06"Hg
The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Greenwood Lake, NY
- Average wind speed in September: 5.3mph
The windiest months (with the highest average wind speed) are January, February and March (7.6mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in September
Greenwood Lake, NY
- Average humidity in September: 78%
The months with the highest relative humidity are February and December (81%).
The month with the lowest relative humidity is April (75%).
Average rainfall in September
Greenwood Lake, NY
- Average rainfall in September: 1.42"
The wettest month (with the highest rainfall) is July (2.76").
The driest month (with the least rainfall) is January (1.34").
Average rainfall days in September
Greenwood Lake, NY
- Average rainfall days in September: 11.8 days
The month with the highest number of rainy days is July (16.8 days).
The month with the least rainy days is January (4.8 days).
Average snowfall in September
Greenwood Lake, NY
- Average snowfall in September: 0"
The month with the highest snowfall is February (3.7").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Greenwood Lake, NY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (6.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Greenwood Lake, NY
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in September: 8h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).
Average sunshine days in September
Greenwood Lake, NY
- Average sunshine days in September: 16.2 days
The months with the most sunshine days are January and November (21 days).
The month with the least sunshine days is June (12 days).
Average UV index in September
Greenwood Lake, NY
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in September
Greenwood Lake, NY
- Average cloud cover in September: 39
The months with the most cloud cover are February and March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in September
Greenwood Lake, 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).
Greenwood Lake, New York, USA
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