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
The onset of September results in a small decrease in the average high-temperature, moderately receding from a moderately hot 75.4°F (24.1°C) in August to an agreeable 68.9°F (20.5°C). In West Stockholm, the nighttime temperature averages to a fresh 50.9°F (10.5°C) during September.Humidity
In West Stockholm, New York, the average relative humidity in September is 79%.Rainfall
March and September are months with the least rain when the rain falls for 13.6 days and typically aggregates up to 2.01" (51mm) of rain.Snowfall
June through September are months without snowfall.Daylight
In September, the average length of the day in West Stockholm is 12h and 31min.On the first day of September, sunrise is at 6:22 am and sunset at 7:35 pm. On the last day of the month, sunrise is at 6:57 am and sunset at 6:41 pm EDT.
Sunshine
The average sunshine in September is 8.7h.UV index
In September, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: A daily maximum UV index of 3 in September translates into the following instructions:
Ensure safety - Sun damage prevention is strongly urged. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
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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 in West Stockholm?
How many days 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?
When is the sunrise / sunset in September?
How many hours of sunshine does West Stockholm have in September?
What is the UV index intensity in September?
Average temperature in September
West Stockholm, NY
- Average high temperature in September: 68.9°F
The warmest month (with the highest average high temperature) is July (77°F).
The month with the lowest average high temperature is January (23.4°F).
- Average low temperature in September: 50.9°F
The month with the highest average low temperature is July (58.6°F).
The coldest month (with the lowest average low temperature) is January (10.8°F).
Average pressure in September
West Stockholm, 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
West Stockholm, NY
- Average wind speed in September: 6.5mph
The windiest months (with the highest average wind speed) are February and April (8.5mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).
Average humidity in September
West Stockholm, 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
West Stockholm, NY
- Average rainfall in September: 2.01"
The wettest month (with the highest rainfall) is August (3.03").
The driest months (with the least rainfall) are March and September (2.01").
Average rainfall days in September
West Stockholm, NY
- Average rainfall days in September: 13.6 days
The month with the highest number of rainy days is July (18.7 days).
The month with the least rainy days is February (6 days).
Average snowfall in September
West Stockholm, NY
- Average snowfall in September: 0"
The month with the highest snowfall is January (8.39").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
West Stockholm, NY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (17.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
West Stockholm, 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 4min
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 36min).
Average sunshine days in September
West Stockholm, NY
- Average sunshine days in September: 14.5 days
The month with the most sunshine days is November (15 days).
The month with the least sunshine days is July (9.3 days).
Average UV index in September
West Stockholm, 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
West Stockholm, NY
- Average cloud cover in September: 37
The months with the most cloud cover are January and February (Cloud cover 75).
The month with the least cloud cover is July (Cloud cover 35).
Average visibility in September
West Stockholm, NY
- Average visibility in September: 6mi
The months with the highest visibility are April, May, June, July, September and October (6mi).
The months with the lowest visibility are January and February (4mi).
West Stockholm, New York, USA
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