September weather forecastRichville, NY

September

Weather in September

The first month of the autumn, September, is still a pleasant month in Richville, New York, with an average temperature fluctuating between 68.9°F (20.5°C) and 51.1°F (10.6°C).

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.

Updated: Jul 22, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

In September, in Richville, the average high-temperature is 68.9°F (20.5°C), and the average low-temperature is 51.1°F (10.6°C).

In Richville, the average relative humidity in September is 79%.

September is the month with the least rainfall in Richville. Rain falls for 13.5 days and accumulates 1.73" (44mm) of precipitation.

In Richville, during September, the rain falls for 13.5 days and regularly aggregates up to 1.73" (44mm) of precipitation.

In Richville, snow does not fall in June through September.

In Richville, in September, it doesn't snow. In October, it regularly snows.

The average day length in September is 12h and 30min.

In September, on the first day of the month, 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.

The average sunshine duration in September is 8.9h.

The average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a moderate health threat from exposure to Sun's UV rays.

Today

Tomorrow

Long-term

Year J F M A M J J A September O N D

Aug

September

Oct

Average high temperature

75.6°F

68.9°F

55.9°F

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

7mph

7.1mph

8.9mph

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

Average daylight

Average sunshine

Average sunshine days

12.1

14.2

11.5

Average UV index

Average cloud cover

Average visibility

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 30min

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 54min

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).