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's arrival coincides with a soft drop in the average high-temperature, subtly decreasing from August's warm 79.3°F (26.3°C) to a pleasant 71.4°F (21.9°C). An average low-temperature of 51.8°F (11°C) is noted during the nights in September.Humidity
In Roessleville, the average relative humidity in September is 77%.Rainfall
In Roessleville, New York, in September, it is raining for 12.2 days, with typically 2.24" (57mm) of accumulated precipitation. In Roessleville, New York, during the entire year, the rain falls for 170.2 days and collects up to 32.91" (836mm) of precipitation.Snowfall
June through September are months without snowfall in Roessleville.Daylight
The average length of the day in September in Roessleville is 12h and 29min.On the first day of September in Roessleville, sunrise is at 6:20 am and sunset at 7:29 pm. On the last day of the month, sunrise is at 6:52 am and sunset at 6:37 pm EDT.
Sunshine
In Roessleville, the average sunshine in September is 9.1h.UV index
In Roessleville, the average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: A typical high UV index of 3 in September suggests the following recommendations:
Guard yourself - An obligation to protect skin and eyes from harm exists. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Frequently asked questions
What are the temperatures in Roessleville in September?
What is the average humidity in September in Roessleville?
How many days does it rain in September in Roessleville?
When it does not snow in Roessleville?
Does it snow in Roessleville in September?
What is the average length of the day in September in Roessleville?
When is the sunrise / sunset in September in Roessleville?
How many hours of sunshine does Roessleville have in September?
What is the UV index intensity in September in Roessleville?
Average temperature in September
Roessleville, NY
- Average high temperature in September: 71.4°F
The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (28.6°F).
- Average low temperature in September: 51.8°F
The month with the highest average low temperature is July (60.3°F).
The coldest month (with the lowest average low temperature) is January (16.9°F).
Average pressure in September
Roessleville, 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
Roessleville, NY
- Average wind speed in September: 5.5mph
The windiest months (with the highest average wind speed) are January and February (8mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in September
Roessleville, NY
- Average humidity in September: 77%
The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is April (73%).
Average rainfall in September
Roessleville, NY
- Average rainfall in September: 2.24"
The wettest month (with the highest rainfall) is May (3.43").
The driest month (with the least rainfall) is March (2.17").
Average rainfall days in September
Roessleville, NY
- Average rainfall days in September: 12.2 days
The month with the highest number of rainy days is May (17.9 days).
The month with the least rainy days is January (9.3 days).
Average snowfall in September
Roessleville, NY
- Average snowfall in September: 0"
The month with the highest snowfall is February (8.15").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Roessleville, NY
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (13.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Roessleville, 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: 9h and 1min
The months with the most sunshine are July and August (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 3h and 48min).
Average sunshine days in September
Roessleville, NY
- Average sunshine days in September: 14.6 days
The month with the most sunshine days is November (15.3 days).
The months with the least sunshine days are February and April (10.3 days).
Average UV index in September
Roessleville, 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 January, February, March, October, November and December (UV index 2).
Average cloud cover in September
Roessleville, NY
- Average cloud cover in September: 34
The month with the most cloud cover is February (Cloud cover 58).
The months with the least cloud cover are July and August (Cloud cover 32).
Average visibility in September
Roessleville, NY
- Average visibility in September: 5mi
The months with the highest visibility are April, May, June, July, August, October, November and December (6mi).
The months with the lowest visibility are January, February, March and September (5mi).
Roessleville, New York, USA
Weather forecast for your location
2. Allow the app to use your location
