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
In the transition to September, Tennanah Lake observes a minor drop in the average high-temperature, shifting from a moderately hot 76.1°F (24.5°C) in August to a pleasant 69.3°F (20.7°C). Nighttime temperature in Tennanah Lake lowers to an average of 49.1°F (9.5°C) in September.Humidity
The average relative humidity in September in Tennanah Lake 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, the average length of the day in September is 12h and 28min.On the first day of the month, sunrise is at 6:26 am and sunset at 7:32 pm. On the last day of September, sunrise is at 6:56 am and sunset at 6:42 pm EDT.
Sunshine
In Tennanah Lake, New York, the average sunshine in September is 8.2h.UV index
The average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the average person.Note: A maximum UV index of 3 in September translates into the following recommendations:
Be vigilant - Preventing sunburn is recommended. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Frequently asked questions
What are September temperatures in Tennanah Lake?
What is the average humidity in September in Tennanah Lake?
What is the driest month in Tennanah Lake?
How much does it rain in Tennanah Lake in September?
When it does not snow in Tennanah Lake?
Does it snow in Tennanah Lake in September?
What is the average length of the day in September in Tennanah Lake?
What time are sunrise and sunset in September in Tennanah Lake?
How long on average sun shines in September in Tennanah Lake?
What is the UV index intensity in September in Tennanah Lake?
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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