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
With the start of September, Mayville measures an average high-temperature of an agreeable 68.9°F (20.5°C), not significantly differing from August's 73.9°F (23.3°C). Mayville observes an average nighttime low-temperature of 58.5°F (14.7°C) during the month of September.Humidity
The months with the lowest humidity are September through November, with an average relative humidity of 78%.Rainfall
September is the month with the least rainfall. Rain falls for 14.7 days and accumulates 2.2" (56mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in September in Mayville is 12h and 28min.On the first day of the month, sunrise is at 6:44 am and sunset at 7:51 pm. On the last day of September, sunrise is at 7:14 am and sunset at 7:00 pm EDT.
Sunshine
In September, the average sunshine is 8.9h.UV index
In Mayville, New York, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the average person.Note: In September, a daily UV index of 4 turns into the following recommendations:
Exercise care. People with light skin might get burns in fewer than 30 minutes. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures?
What is the least humid month?
What is the average humidity in September?
What is the driest month?
How much does it rain in September?
When it does not snow?
Does it snow in September?
How many hours of daylight does Mayville have in September?
What time are sunrise and sunset in September?
How many hours of sunshine does Mayville have in September?
How high is the UV index in September?
Average temperature in September
Mayville, NY
- Average high temperature in September: 68.9°F
The warmest month (with the highest average high temperature) is July (74.3°F).
The month with the lowest average high temperature is January (29.5°F).
- Average low temperature in September: 58.5°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (21.4°F).
Average pressure in September
Mayville, NY
- Average pressure in September: 30.05"Hg
The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Mayville, NY
- Average wind speed in September: 9.6mph
The windiest month (with the highest average wind speed) is January (14.2mph).
The calmest month (with the lowest average wind speed) is July (8mph).
Average humidity in September
Mayville, NY
- Average humidity in September: 78%
The month with the highest relative humidity is February (86%).
The months with the lowest relative humidity are September, October and November (78%).
Average rainfall in September
Mayville, NY
- Average rainfall in September: 2.2"
The wettest month (with the highest rainfall) is October (3.39").
The driest month (with the least rainfall) is September (2.2").
Average rainfall days in September
Mayville, NY
- Average rainfall days in September: 14.7 days
The month with the highest number of rainy days is October (18.9 days).
The month with the least rainy days is January (8.7 days).
Average snowfall in September
Mayville, NY
- Average snowfall in September: 0"
The month with the highest snowfall is February (6.3").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Mayville, NY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (16.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Mayville, NY
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in September: 8h and 5min
The months with the most sunshine are July and August (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 2h and 30min).
Average sunshine days in September
Mayville, NY
- Average sunshine days in September: 13.2 days
The month with the most sunshine days is September (13.2 days).
The month with the least sunshine days is January (5.3 days).
Average UV index in September
Mayville, NY
- Average UV index in September: 4
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
Mayville, NY
- Average cloud cover in September: 33
The month with the most cloud cover is January (Cloud cover 77).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in September
Mayville, NY
- Average visibility in September: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).
Mayville, New York, USA
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