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 marks a gentle change in average high-temperature, declining from August's warm 75.6°F (24.2°C) to an agreeable 68.9°F (20.5°C). Throughout September nights, Richville experiences a consistent temperature average of 51.1°F (10.6°C).Humidity
In September, the average relative humidity is 79%.Rainfall
The month with the least rainfall is September, when the rain falls for 13.5 days and typically collects 1.73" (44mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in September is 12h and 30min.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
In September, the average sunshine is 8.9h.UV index
The average daily maximum UV index in September in Richville is 3. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the average person.Note: The daily high UV index of 3 in September translates into this advice:
Undertake precautions - Obligation exists to protect against skin and eye damage. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Enhance your sun protection with tightly woven, yet airy clothing.
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?
What is the driest month?
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 in Richville?
When is the sunrise / sunset in September?
How long on average sun shines in September?
What is the UV index reading in September?
Average temperature in September
Richville, NY
- Average high temperature in September: 68.9°F
The warmest month (with the highest average high temperature) is July (76.6°F).
The month with the lowest average high temperature is January (24.4°F).
- Average low temperature in September: 51.1°F
The month with the highest average low temperature is July (59.4°F).
The coldest month (with the lowest average low temperature) is January (11.5°F).
Average pressure in September
Richville, 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
Richville, NY
- Average wind speed in September: 6.8mph
The windiest months (with the highest average wind speed) are January, February and April (9.1mph).
The calmest months (with the lowest average wind speed) are July and August (6.5mph).
Average humidity in September
Richville, NY
- Average humidity in September: 79%
The months with the highest relative humidity are January and February (89%).
The month with the lowest relative humidity is April (77%).
Average rainfall in September
Richville, NY
- Average rainfall in September: 1.73"
The wettest month (with the highest rainfall) is October (3.15").
The driest month (with the least rainfall) is September (1.73").
Average rainfall days in September
Richville, NY
- Average rainfall days in September: 13.5 days
The month with the highest number of rainy days is July (17.7 days).
The month with the least rainy days is February (7.8 days).
Average snowfall in September
Richville, NY
- Average snowfall in September: 0"
The month with the highest snowfall is January (9.69").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Richville, NY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (20.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Richville, 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 5min
The months with the most sunshine are July and August (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 2h and 42min).
Average sunshine days in September
Richville, 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 (6.5 days).
Average UV index in September
Richville, 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
Richville, NY
- Average cloud cover in September: 35
The month with the most cloud cover is February (Cloud cover 73).
The months with the least cloud cover are July and August (Cloud cover 34).
Average visibility in September
Richville, NY
- Average visibility in September: 6mi
The months with the highest visibility are April, May, September, October and November (6mi).
The month with the lowest visibility is January (4mi).
Richville, New York, USA
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