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
In West Haverstraw, the average high-temperature in September slightly decreases from 82.6°F (28.1°C) in August to a still warm 75°F (23.9°C). During the month of September, West Haverstraw experiences a steady low-temperature average of 57°F (13.9°C).Humidity
In West Haverstraw, New York, the average relative humidity in September is 76%.Rainfall
September is the month with the least rainfall in West Haverstraw. Rain falls for 12.4 days and accumulates 1.89" (48mm) of precipitation.Snowfall
June through September are months without snowfall in West Haverstraw.Daylight
In September, the average length of the day is 12h and 28min.On the first day of September, sunrise is at 6:23 am and sunset at 7:28 pm. On the last day of the month, sunrise is at 6:52 am and sunset at 6:39 pm EDT.
Sunshine
The average sunshine in September in West Haverstraw is 8.8h.UV index
In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for average individuals.Note: A daily high UV index of 4 in September leads to these guidelines:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Frequently asked questions
What are September temperatures in West Haverstraw?
What is the average humidity in September in West Haverstraw?
What is the driest month in West Haverstraw?
How much does it rain in West Haverstraw in September?
When it does not snow in West Haverstraw?
Does it snow in West Haverstraw in September?
What is the average length of the day in September in West Haverstraw?
When are sunrise and sunset in September in West Haverstraw?
How long on average sun shines in September in West Haverstraw?
How high is the UV index in September in West Haverstraw?
Average temperature in September
West Haverstraw, NY
- Average high temperature in September: 75°F
The warmest month (with the highest average high temperature) is July (84.6°F).
The month with the lowest average high temperature is January (34.7°F).
- Average low temperature in September: 57°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).
Average pressure in September
West Haverstraw, 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 Haverstraw, NY
- Average wind speed in September: 5.4mph
The windiest months (with the highest average wind speed) are January and March (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).
Average humidity in September
West Haverstraw, NY
- Average humidity in September: 76%
The month with the highest relative humidity is February (79%).
The month with the lowest relative humidity is April (72%).
Average rainfall in September
West Haverstraw, NY
- Average rainfall in September: 1.89"
The wettest month (with the highest rainfall) is July (3.23").
The driest month (with the least rainfall) is September (1.89").
Average rainfall days in September
West Haverstraw, NY
- Average rainfall days in September: 12.4 days
The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is January (7.3 days).
Average snowfall in September
West Haverstraw, NY
- Average snowfall in September: 0"
The month with the highest snowfall is March (3.46").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
West Haverstraw, NY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (6.5 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 Haverstraw, NY
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in September: 8h and 5min
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 36min).
Average sunshine days in September
West Haverstraw, NY
- Average sunshine days in September: 15.6 days
The month with the most sunshine days is November (20.4 days).
The month with the least sunshine days is July (11.5 days).
Average UV index in September
West Haverstraw, NY
- Average UV index in September: 4
The months with the highest UV index are June, July and August (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
West Haverstraw, NY
- Average cloud cover in September: 37
The months with the most cloud cover are February, March and December (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in September
West Haverstraw, NY
- Average visibility in September: 6mi
The months with the highest visibility are January, March, April, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are February and May (5mi).
West Haverstraw, New York, USA
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