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 September, the average high-temperature marginally decreases from a moderately hot 80.4°F (26.9°C) in August to an agreeable 72.9°F (22.7°C). During the nights in September, the temperature averages to a fresh 54.5°F (12.5°C).Humidity
In Patterson, the average relative humidity in September is 79%.Rainfall
In Patterson, during September, the rain falls for 12.7 days and regularly aggregates up to 2.24" (57mm) of precipitation. Throughout the year, there are 154.6 rainfall days, and 34.02" (864mm) of precipitation is accumulated.Snowfall
In Patterson, New York, snow does not fall in June through September.Daylight
In September, the average length of the day in Patterson, New York, is 12h and 28min.On the first day of the month, sunrise is at 6:21 am and sunset at 7:27 pm. On the last day of September, in Patterson, sunrise is at 6:50 am and sunset at 6:37 pm EDT.
Sunshine
In Patterson, the average sunshine in September is 8.1h.UV index
In Patterson, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: The daily high UV index of 4 in September translates into this advice:
Take precautions. Light skin individuals may get burned in less than 30 minutes. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September in Patterson?
What is the average humidity in September in Patterson?
How many days does it rain in September in Patterson?
When it does not snow in Patterson?
Does it snow in Patterson in September?
What is the average length of the day in September in Patterson?
What time are sunrise and sunset in September in Patterson?
How long on average sun shines in September in Patterson?
What is the UV index reading in September in Patterson?
Average temperature in September
Patterson, NY
- Average high temperature in September: 72.9°F
The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is January (32.5°F).
- Average low temperature in September: 54.5°F
The month with the highest average low temperature is July (62.1°F).
The coldest month (with the lowest average low temperature) is January (20.1°F).
Average pressure in September
Patterson, NY
- Average pressure in September: 30.06"Hg
The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Patterson, NY
- Average wind speed in September: 5.2mph
The windiest month (with the highest average wind speed) is March (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.6mph).
Average humidity in September
Patterson, NY
- Average humidity in September: 79%
The months with the highest relative humidity are February, October and December (80%).
The month with the lowest relative humidity is April (73%).
Average rainfall in September
Patterson, NY
- Average rainfall in September: 2.24"
The wettest month (with the highest rainfall) is December (3.46").
The driest month (with the least rainfall) is February (2.17").
Average rainfall days in September
Patterson, NY
- Average rainfall days in September: 12.7 days
The month with the highest number of rainy days is July (17.5 days).
The month with the least rainy days is January (6.7 days).
Average snowfall in September
Patterson, NY
- Average snowfall in September: 0"
The month with the highest snowfall is February (5.55").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Patterson, NY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (10.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Patterson, 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 12min).
- Average sunshine in September: 8h and 1min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).
Average sunshine days in September
Patterson, NY
- Average sunshine days in September: 15.1 days
The month with the most sunshine days is January (17.3 days).
The month with the least sunshine days is July (11.9 days).
Average UV index in September
Patterson, NY
- Average UV index in September: 4
The months with the highest UV index are June and July (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
Patterson, NY
- Average cloud cover in September: 43
The month with the most cloud cover is February (Cloud cover 53).
The months with the least cloud cover are July and August (Cloud cover 39).
Average visibility in September
Patterson, NY
- Average visibility in September: 5mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October, November and December (5mi).
Patterson, New York, USA
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