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 arrival of September corresponds with a light shift in temperature, down from an agreeable 73.2°F (22.9°C) in August to a comfortable 66.6°F (19.2°C). In September, Rainbow Lake reports a consistent average low-temperature of 47.5°F (8.6°C) during the nights.Humidity
In September, the average relative humidity is 81%.Rainfall
September is the month with the least rainfall in Rainbow Lake. Rain falls for 14.5 days and accumulates 2.05" (52mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in September is 12h and 30min.On the first day of the month, sunrise is at 6:20 am and sunset at 7:32 pm. On the last day of September, sunrise is at 6:54 am and sunset at 6:38 pm EDT.
Sunshine
In Rainbow Lake, the average sunshine in September is 8.3h.UV index
In Rainbow Lake, the average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: A maximum high daily UV index of 3 during September translates into the following directions:
Ensure safety - Recommendations to avert sunburn are presented. The solar radiation around mid-day is intense; avoid the Sun and stay safe. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Frequently asked questions
What is the usual temperature for Rainbow Lake in September?
What is the average humidity in September in Rainbow Lake?
What is the driest month in Rainbow Lake?
How many days does it rain in September in Rainbow Lake?
When it does not snow in Rainbow Lake?
Does it snow in Rainbow Lake in September?
What is the average length of the day in September in Rainbow Lake?
What time are sunrise and sunset in September in Rainbow Lake?
How long on average sun shines in September in Rainbow Lake?
What is the UV index intensity in September in Rainbow Lake?
Average temperature in September
Rainbow Lake, NY
- Average high temperature in September: 66.6°F
The warmest month (with the highest average high temperature) is July (74.8°F).
The month with the lowest average high temperature is January (22.3°F).
- Average low temperature in September: 47.5°F
The month with the highest average low temperature is July (55.8°F).
The coldest month (with the lowest average low temperature) is January (9.9°F).
Average pressure in September
Rainbow Lake, NY
- Average pressure in September: 30.04"Hg
The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in September
Rainbow Lake, NY
- Average wind speed in September: 5.9mph
The windiest month (with the highest average wind speed) is April (8mph).
The calmest months (with the lowest average wind speed) are August and September (5.9mph).
Average humidity in September
Rainbow Lake, NY
- Average humidity in September: 81%
The months with the highest relative humidity are January and February (91%).
The month with the lowest relative humidity is May (77%).
Average rainfall in September
Rainbow Lake, NY
- Average rainfall in September: 2.05"
The wettest month (with the highest rainfall) is June (3.46").
The driest month (with the least rainfall) is September (2.05").
Average rainfall days in September
Rainbow Lake, NY
- Average rainfall days in September: 14.5 days
The month with the highest number of rainy days is July (20.7 days).
The month with the least rainy days is February (5.8 days).
Average snowfall in September
Rainbow Lake, NY
- Average snowfall in September: 0"
The month with the highest snowfall is February (14.88").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Rainbow Lake, NY
- Average snowfall days in September: 0.2 days
The month with the highest number of snowfall days is January (24.4 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Rainbow Lake, NY
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in September: 8h and 2min
The month with the most sunshine is July (Average sunshine: 9h and 30min).
The month with the least sunshine is February (Average sunshine: 2h and 12min).
Average sunshine days in September
Rainbow Lake, 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 (2.8 days).
Average UV index in September
Rainbow Lake, NY
- Average UV index in September: 3
The months with the highest UV index are July and August (UV index 5).
The months with the lowest UV index are January, February, March and December (UV index 1).
Average cloud cover in September
Rainbow Lake, NY
- Average cloud cover in September: 42
The month with the most cloud cover is February (Cloud cover 81).
The month with the least cloud cover is July (Cloud cover 41).
Average visibility in September
Rainbow Lake, NY
- Average visibility in September: 5mi
The months with the highest visibility are April, May, June, July, August, September, October and November (5mi).
The months with the lowest visibility are January, February, March and December (4mi).
Rainbow Lake, New York, USA
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