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 is marked by a subtle drop in average high-temperatures, transitioning from a moderately hot 78.4°F (25.8°C) in August to a pleasant 71.2°F (21.8°C). Swan Lake experiences a consistent average temperature of 50.9°F (10.5°C) throughout the nights in September.Humidity
The average relative humidity in September in Swan Lake is 80%.Rainfall
In Swan Lake, in September, it is raining for 11.9 days, with typically 1.81" (46mm) of accumulated precipitation. In Swan Lake, New York, during the entire year, the rain falls for 153.7 days and collects up to 26.73" (679mm) of precipitation.Snowfall
In Swan Lake, snow does not fall in June through September.Daylight
In September, the average length of the day in Swan Lake is 12h and 28min.On the first day of the month, sunrise is at 6:25 am and sunset at 7:32 pm. On the last day of September, in Swan Lake, sunrise is at 6:55 am and sunset at 6:42 pm EDT.
Sunshine
In Swan Lake, New York, the average sunshine in September is 8.5h.UV index
In September, the average daily maximum UV index in Swan Lake is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum UV index of 3 during September translates into these guidelines:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Frequently asked questions
What is the usual temperature for Swan Lake in September?
What is the average humidity in September in Swan Lake?
How many days does it rain in September in Swan Lake?
When it does not snow in Swan Lake?
Does it snow in Swan Lake in September?
What is the average length of the day in September in Swan Lake?
When are sunrise and sunset in September in Swan Lake?
How many hours of sunshine does Swan Lake have in September?
What is the UV index intensity in September in Swan Lake?
Average temperature in September
Swan Lake, NY
- Average high temperature in September: 71.2°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (29.8°F).
- Average low temperature in September: 50.9°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 (17.1°F).
Average pressure in September
Swan 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
Swan Lake, NY
- Average wind speed in September: 5.2mph
The windiest months (with the highest average wind speed) are January and February (7.8mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in September
Swan Lake, NY
- Average humidity in September: 80%
The months with the highest relative humidity are February and December (85%).
The month with the lowest relative humidity is July (77%).
Average rainfall in September
Swan Lake, NY
- Average rainfall in September: 1.81"
The wettest month (with the highest rainfall) is May (2.8").
The driest months (with the least rainfall) are January and February (1.65").
Average rainfall days in September
Swan Lake, NY
- Average rainfall days in September: 11.9 days
The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is January (7.5 days).
Average snowfall in September
Swan Lake, NY
- Average snowfall in September: 0"
The month with the highest snowfall is December (5.04").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Swan Lake, NY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (10.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Swan Lake, 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 3min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 3h and 54min).
Average sunshine days in September
Swan Lake, NY
- Average sunshine days in September: 15.8 days
The month with the most sunshine days is January (18.3 days).
The month with the least sunshine days is May (10.8 days).
Average UV index in September
Swan Lake, 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, March, October, November and December (UV index 2).
Average cloud cover in September
Swan Lake, NY
- Average cloud cover in September: 42
The month with the most cloud cover is February (Cloud cover 57).
The month with the least cloud cover is July (Cloud cover 38).
Average visibility in September
Swan Lake, NY
- Average visibility in September: 4mi
The months with the highest visibility are January, February, March, April, June, July, August, October, November and December (5mi).
The months with the lowest visibility are May and September (4mi).
Swan Lake, New York, USA
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