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 is marked by a subtle drop in average high-temperatures, transitioning from a warm 75.7°F (24.3°C) in August to a pleasant 69.1°F (20.6°C). An average temperature of 51.1°F (10.6°C) is recorded during the nights in September.Humidity
In September, the average relative humidity is 80%.Rainfall
In Heuvelton, in September, it is raining for 13.5 days, with typically 1.77" (45mm) of accumulated precipitation. Throughout the year, there are 159.6 rainfall days, and 24.25" (616mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
In Heuvelton, the average length of the day in September is 12h and 31min.On the first day of September, sunrise is at 6:25 am and sunset at 7:37 pm. On the last day of the month, sunrise is at 6:59 am and sunset at 6:43 pm EDT.
Sunshine
The average sunshine in September is 9h.UV index
The average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: A maximum UV index of 3 in September translates into the following recommendations:
Make use of precautions - Shielding skin and eyes from injury is a requirement. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching 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 in Heuvelton?
How much does it rain in September?
When it does not snow?
Does it snow in September?
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?
How high is the UV index in September?
Average temperature in September
Heuvelton, NY
- Average high temperature in September: 69.1°F
The warmest month (with the highest average high temperature) is July (77°F).
The month with the lowest average high temperature is January (23.7°F).
- Average low temperature in September: 51.1°F
The month with the highest average low temperature is July (59.5°F).
The coldest month (with the lowest average low temperature) is January (10.2°F).
Average pressure in September
Heuvelton, 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 (29.9"Hg).
Average wind speed in September
Heuvelton, NY
- Average wind speed in September: 6.9mph
The windiest month (with the highest average wind speed) is February (9.2mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).
Average humidity in September
Heuvelton, NY
- Average humidity in September: 80%
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is April (77%).
Average rainfall in September
Heuvelton, NY
- Average rainfall in September: 1.77"
The wettest month (with the highest rainfall) is August (2.6").
The driest month (with the least rainfall) is February (1.61").
Average rainfall days in September
Heuvelton, NY
- Average rainfall days in September: 13.5 days
The month with the highest number of rainy days is July (18 days).
The month with the least rainy days is February (6.8 days).
Average snowfall in September
Heuvelton, NY
- Average snowfall in September: 0"
The month with the highest snowfall is January (6.06").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Heuvelton, NY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (19.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Heuvelton, 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: 9h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 2h and 48min).
Average sunshine days in September
Heuvelton, NY
- Average sunshine days in September: 14.6 days
The month with the most sunshine days is September (14.6 days).
The month with the least sunshine days is February (8.4 days).
Average UV index in September
Heuvelton, NY
- Average UV index in September: 3
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in September
Heuvelton, NY
- Average cloud cover in September: 36
The months with the most cloud cover are January and February (Cloud cover 71).
The month with the least cloud cover is July (Cloud cover 34).
Average visibility in September
Heuvelton, NY
- Average visibility in September: 6mi
The months with the highest visibility are April, May, June, July, September, October and November (6mi).
The month with the lowest visibility is January (4mi).
Heuvelton, New York, USA
Weather forecast for your location
2. Allow the app to use your location