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 signals a slight drop in average high-temperature, sliding from August's warm 75.4°F (24.1°C) to a pleasant 69.1°F (20.6°C). De Kalb Junction anticipates an average minimum temperature of 50.9°F (10.5°C) in the month of September.Humidity
In De Kalb Junction, the average relative humidity in September is 79%.Rainfall
The month with the least rainfall is September, when the rain falls for 7 days and typically collects 0.28" (7mm) of precipitation.Snowfall
In De Kalb Junction, snow does not fall in June through October.Daylight
The average length of the day in September in De Kalb Junction is 12h and 30min.On the first day of September, sunrise is at 6:24 am and sunset at 7:37 pm. On the last day of the month, sunrise is at 6:58 am and sunset at 6:43 pm EDT.
Sunshine
In September, the average sunshine is 8.9h.UV index
The average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the average person.Note: The daily high UV index of 3 in September translates into this advice:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
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?
When it does not snow?
What is the average length of the day 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
De Kalb Junction, NY
- Average high temperature in September: 69.1°F
The warmest month (with the highest average high temperature) is July (76.8°F).
The month with the lowest average high temperature is January (24.1°F).
- Average low temperature in September: 50.9°F
The month with the highest average low temperature is July (58.8°F).
The coldest month (with the lowest average low temperature) is January (10.8°F).
Average pressure in September
De Kalb Junction, 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
De Kalb Junction, NY
- Average wind speed in September: 6.6mph
The windiest months (with the highest average wind speed) are February and April (8.8mph).
The calmest months (with the lowest average wind speed) are July and August (6.5mph).
Average humidity in September
De Kalb Junction, NY
- Average humidity in September: 79%
The months with the highest relative humidity are January and February (90%).
The month with the lowest relative humidity is April (77%).
Average rainfall in September
De Kalb Junction, NY
- Average rainfall in September: 0.28"
The wettest month (with the highest rainfall) is October (0.79").
The driest month (with the least rainfall) is September (0.28").
Average rainfall days in September
De Kalb Junction, NY
- Average rainfall days in September: 7 days
The month with the highest number of rainy days is July (10.5 days).
The month with the least rainy days is February (2.8 days).
Average snowfall in September
De Kalb Junction, NY
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.38").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in September
De Kalb Junction, NY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (11 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
De Kalb Junction, 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 5min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The months with the least sunshine are January and February (Average sunshine: 2h and 42min).
Average sunshine days in September
De Kalb Junction, NY
- Average sunshine days in September: 21 days
The month with the most sunshine days is December (21.5 days).
The month with the least sunshine days is July (16.5 days).
Average UV index in September
De Kalb Junction, NY
- Average UV index in September: 3
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in September
De Kalb Junction, NY
- Average cloud cover in September: 36
The months with the most cloud cover are January and February (Cloud cover 74).
The month with the least cloud cover is July (Cloud cover 34).
Average visibility in September
De Kalb Junction, NY
- Average visibility in September: 6mi
The months with the highest visibility are April, May, September, October and November (6mi).
The months with the lowest visibility are January, February, March, June, July, August and December (5mi).
De Kalb Junction, New York, USA
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