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
The start of September involves a subtle temperature drop, shifting from a moderately hot 75.9°F (24.4°C) in August to an agreeable 69.1°F (20.6°C). September nights in Richmondville, New York, experience a consistent temperature drop to a chilly 49.1°F (9.5°C).Humidity
In Richmondville, the average relative humidity in September is 80%.Rainfall
The month with the least rainfall in Richmondville is September, when the rain falls for 12.5 days and typically collects 2.13" (54mm) of precipitation.Snowfall
In Richmondville, snow does not fall in June through September.Daylight
In September, the average length of the day in Richmondville, New York, is 12h and 29min.On the first day of the month, sunrise is at 6:23 am and sunset at 7:32 pm. On the last day of September, in Richmondville, sunrise is at 6:55 am and sunset at 6:40 pm EDT.
Sunshine
In Richmondville, the average sunshine in September is 8.7h.UV index
In Richmondville, the average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: In September, the average maximum UV index of 3 translates into the following recommendations:
Exercise prevention - Precautions against solar damage are endorsed. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in Richmondville?
What is the average humidity in September in Richmondville?
What is the driest month in Richmondville?
How much does it rain in Richmondville in September?
When it does not snow in Richmondville?
Does it snow in Richmondville in September?
What is the average length of the day in September in Richmondville?
When are sunrise and sunset in September in Richmondville?
How many hours of sunshine does Richmondville have in September?
What is the UV index intensity in September in Richmondville?
Average temperature in September
Richmondville, NY
- Average high temperature in September: 69.1°F
The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is January (26.8°F).
- Average low temperature in September: 49.1°F
The month with the highest average low temperature is July (57°F).
The coldest month (with the lowest average low temperature) is January (15.3°F).
Average pressure in September
Richmondville, 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 (29.92"Hg).
Average wind speed in September
Richmondville, NY
- Average wind speed in September: 5.9mph
The windiest month (with the highest average wind speed) is January (9.4mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).
Average humidity in September
Richmondville, NY
- Average humidity in September: 80%
The month with the highest relative humidity is February (86%).
The months with the lowest relative humidity are April and May (78%).
Average rainfall in September
Richmondville, NY
- Average rainfall in September: 2.13"
The wettest month (with the highest rainfall) is August (3.35").
The driest month (with the least rainfall) is September (2.13").
Average rainfall days in September
Richmondville, NY
- Average rainfall days in September: 12.5 days
The month with the highest number of rainy days is May (18.5 days).
The month with the least rainy days is January (7.8 days).
Average snowfall in September
Richmondville, NY
- Average snowfall in September: 0"
The month with the highest snowfall is February (9.06").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Richmondville, 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
Richmondville, NY
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in September: 8h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 3h and 6min).
Average sunshine days in September
Richmondville, NY
- Average sunshine days in September: 15 days
The month with the most sunshine days is September (15 days).
The month with the least sunshine days is February (6.1 days).
Average UV index in September
Richmondville, NY
- Average UV index in September: 3
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are February, November and December (UV index 1).
Average cloud cover in September
Richmondville, NY
- Average cloud cover in September: 40
The month with the most cloud cover is February (Cloud cover 68).
The month with the least cloud cover is July (Cloud cover 37).
Average visibility in September
Richmondville, NY
- Average visibility in September: 5mi
The months with the highest visibility are January, March, April, May, June, July, August, September, October, November and December (5mi).
The month with the lowest visibility is February (4mi).
Richmondville, New York, USA
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