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
As September arrives, West Slaterville's weather displays a minor decrease in high-temperatures, transitioning from August's warm 76.5°F (24.7°C) to a pleasant 70°F (21.1°C). The average nighttime temperature lowers to a fresh 50.7°F (10.4°C) throughout September.Humidity
In September, the average relative humidity is 81%.Rainfall
In West Slaterville, during September, the rain falls for 13.6 days and regularly aggregates up to 2.52" (64mm) of precipitation. Throughout the year, there are 164.2 rainfall days, and 32.56" (827mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in September in West Slaterville is 12h and 28min.On the first day of the month, sunrise is at 6:31 am and sunset at 7:39 pm. On the last day of September, sunrise is at 7:02 am and sunset at 6:48 pm EDT.
Sunshine
In September, the average sunshine in West Slaterville, New York, is 8.4h.UV index
The average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for average individuals.Note: A typical high UV index of 3 in September suggests the following recommendations:
Undertake protective steps - Recommendations to avoid sunburn are issued. Around midday, solar radiation is most harmful; hence, exposure should be limited. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September?
What is the average humidity in September in West Slaterville?
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 are sunrise and sunset in September?
How many hours of sunshine does West Slaterville have in September?
How high is the UV index in September?
Average temperature in September
West Slaterville, NY
- Average high temperature in September: 70°F
The warmest month (with the highest average high temperature) is July (78.8°F).
The month with the lowest average high temperature is January (27.9°F).
- Average low temperature in September: 50.7°F
The month with the highest average low temperature is July (57.7°F).
The coldest month (with the lowest average low temperature) is January (16.5°F).
Average pressure in September
West Slaterville, NY
- Average pressure in September: 30.06"Hg
The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
West Slaterville, NY
- Average wind speed in September: 6.5mph
The windiest month (with the highest average wind speed) is January (9.9mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).
Average humidity in September
West Slaterville, NY
- Average humidity in September: 81%
The month with the highest relative humidity is February (87%).
The months with the lowest relative humidity are April and May (79%).
Average rainfall in September
West Slaterville, NY
- Average rainfall in September: 2.52"
The wettest month (with the highest rainfall) is June (3.62").
The driest month (with the least rainfall) is November (1.97").
Average rainfall days in September
West Slaterville, NY
- Average rainfall days in September: 13.6 days
The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is February (6.4 days).
Average snowfall in September
West Slaterville, NY
- Average snowfall in September: 0"
The month with the highest snowfall is February (8.35").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
West Slaterville, 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
West Slaterville, 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 6min).
- Average sunshine in September: 8h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 2h and 30min).
Average sunshine days in September
West Slaterville, NY
- Average sunshine days in September: 14.2 days
The month with the most sunshine days is September (14.2 days).
The month with the least sunshine days is February (6.8 days).
Average UV index in September
West Slaterville, 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
West Slaterville, NY
- Average cloud cover in September: 41
The month with the most cloud cover is February (Cloud cover 75).
The months with the least cloud cover are July and August (Cloud cover 38).
Average visibility in September
West Slaterville, NY
- Average visibility in September: 5mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January and February (4mi).
West Slaterville, New York, USA
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