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
A subtle shift in Tennanah Lake's weather is observed as August turns into September, with the average high temperature reducing from a moderately hot 76.1°F (24.5°C) to a pleasant 69.3°F (20.7°C). September nights cool down to an average low-temperature of 49.1°F (9.5°C).Humidity
In Tennanah Lake, the average relative humidity in September is 81%.Rainfall
The month with the least rainfall is September, when the rain falls for 13.4 days and typically collects 2.52" (64mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In Tennanah Lake, New York, the average length of the day in September is 12h and 28min.On the first day of September, sunrise is at 6:26 am and sunset at 7:32 pm. On the last day of the month, sunrise is at 6:56 am and sunset at 6:42 pm EDT.
Sunshine
The average sunshine in September is 8.2h.UV index
In Tennanah Lake, the average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the average person.Note: A daily high UV index of 3 in September leads to these guidelines:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in September?
What is the average humidity in September?
What is the driest month?
How many days does it rain in September in Tennanah Lake?
When it does not snow?
Does it snow in September?
How many hours of daylight does Tennanah Lake have in September?
What time are sunrise and sunset in September?
How long on average sun shines in September?
What is the UV index reading in September?
Average temperature in September
Tennanah Lake, NY
- Average high temperature in September: 69.3°F
The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is January (28°F).
- Average low temperature in September: 49.1°F
The month with the highest average low temperature is July (56.8°F).
The coldest month (with the lowest average low temperature) is January (15.3°F).
Average pressure in September
Tennanah Lake, 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
Tennanah Lake, NY
- Average wind speed in September: 5.4mph
The windiest month (with the highest average wind speed) is February (8.3mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in September
Tennanah Lake, NY
- Average humidity in September: 81%
The months with the highest relative humidity are February and December (87%).
The month with the lowest relative humidity is July (79%).
Average rainfall in September
Tennanah Lake, NY
- Average rainfall in September: 2.52"
The wettest month (with the highest rainfall) is April (3.46").
The driest month (with the least rainfall) is September (2.52").
Average rainfall days in September
Tennanah Lake, NY
- Average rainfall days in September: 13.4 days
The month with the highest number of rainy days is May (19 days).
The month with the least rainy days is February (8.3 days).
Average snowfall in September
Tennanah Lake, NY
- Average snowfall in September: 0"
The month with the highest snowfall is February (10").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Tennanah Lake, NY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (18.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Tennanah 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 1min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is February (Average sunshine: 3h and 18min).
Average sunshine days in September
Tennanah Lake, NY
- Average sunshine days in September: 14.9 days
The month with the most sunshine days is September (14.9 days).
The month with the least sunshine days is February (7 days).
Average UV index in September
Tennanah 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 February, November and December (UV index 1).
Average cloud cover in September
Tennanah Lake, NY
- Average cloud cover in September: 46
The month with the most cloud cover is February (Cloud cover 67).
The month with the least cloud cover is July (Cloud cover 41).
Average visibility in September
Tennanah Lake, NY
- Average visibility in September: 4mi
The months with the highest visibility are April, June and July (5mi).
The months with the lowest visibility are January, February, March, May, August, September, October, November and December (4mi).
Tennanah Lake, New York, USA
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