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
September
Weather in September
Temperature
September marks a gentle change in average high-temperature, declining from August's moderately hot 81.3°F (27.4°C) to a still warm 73.4°F (23°C). Throughout September, Lake Katrine witnesses a consistent average low-temperature of 52.5°F (11.4°C).Humidity
In Lake Katrine, the average relative humidity in September is 77%.Rainfall
The month with the least rainfall is September, when the rain falls for 10.5 days and typically collects 1.5" (38mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In Lake Katrine, the average length of the day in September is 12h and 28min.On the first day of the month, sunrise is at 6:22 am and sunset at 7:29 pm. On the last day of September, sunrise is at 6:52 am and sunset at 6:38 pm EDT.
Sunshine
In September, the average sunshine is 9h.UV index
In Lake Katrine, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum UV index of 4 during September translates into these guidelines:
Take precautions - Protection against skin and eye damage is obliged. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Lake Katrine in September?
What is the average humidity in September?
What is the driest month?
How much does it rain in September?
When it does not snow?
Does it snow in September?
How many hours of daylight does Lake Katrine have in September?
What time are sunrise and sunset in September in Lake Katrine?
How many hours of sunshine does Lake Katrine have in September?
What is the UV index intensity in September?
Average temperature in September
Lake Katrine, NY
- Average high temperature in September: 73.4°F
The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is January (31.6°F).
- Average low temperature in September: 52.5°F
The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is January (19°F).
Average pressure in September
Lake Katrine, NY
- Average pressure in September: 30.06"Hg
The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Lake Katrine, NY
- Average wind speed in September: 5mph
The windiest month (with the highest average wind speed) is March (6.6mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity in September
Lake Katrine, NY
- Average humidity in September: 77%
The months with the highest relative humidity are February and December (81%).
The month with the lowest relative humidity is April (74%).
Average rainfall in September
Lake Katrine, NY
- Average rainfall in September: 1.5"
The wettest month (with the highest rainfall) is October (2.87").
The driest month (with the least rainfall) is September (1.5").
Average rainfall days in September
Lake Katrine, NY
- Average rainfall days in September: 10.5 days
The month with the highest number of rainy days is April (16.1 days).
The month with the least rainy days is February (8.6 days).
Average snowfall in September
Lake Katrine, NY
- Average snowfall in September: 0"
The month with the highest snowfall is February (5.43").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Lake Katrine, NY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (10.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Lake Katrine, 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: 9h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in September
Lake Katrine, NY
- Average sunshine days in September: 17.5 days
The month with the most sunshine days is September (17.5 days).
The month with the least sunshine days is April (11.8 days).
Average UV index in September
Lake Katrine, NY
- Average UV index in September: 4
The months with the highest UV index are June and July (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
Lake Katrine, NY
- Average cloud cover in September: 36
The month with the most cloud cover is February (Cloud cover 50).
The months with the least cloud cover are July and August (Cloud cover 34).
Average visibility in September
Lake Katrine, NY
- Average visibility in September: 5mi
The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (5mi).