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 ushers in a minor alteration in Mongaup Valley's climate, with the average high-temperature moving from August's moderately hot 78.4°F (25.8°C) to a pleasant 71.2°F (21.8°C). Throughout September nights, Mongaup Valley registers an average low-temperature of 51.1°F (10.6°C).Humidity
The average relative humidity in September is 80%.Rainfall
September is the month with the least rainfall. Rain falls for 10.7 days and accumulates 1.81" (46mm) of precipitation.Snowfall
In Mongaup Valley, snow does not fall in June through September.Daylight
In Mongaup Valley, the average length of the day in September is 12h and 28min.On the first day of September, sunrise is at 6:25 am and sunset at 7:31 pm. On the last day of the month, sunrise is at 6:55 am and sunset at 6:42 pm EDT.
Sunshine
In Mongaup Valley, the average sunshine in September is 8.6h.UV index
In Mongaup Valley, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for average individuals.Note: The daily high UV index of 4 during September translates into the following recommendations:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September?
What is the average humidity in September?
What is the driest month?
How much does it rain in September?
When it does not snow in Mongaup Valley?
Does it snow in September?
How many hours of daylight does Mongaup Valley have in September?
When is the sunrise / sunset in September?
How long on average sun shines in September?
What is the UV index intensity in September?
Average temperature in September
Mongaup Valley, NY
- Average high temperature in September: 71.2°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (30°F).
- Average low temperature in September: 51.1°F
The month with the highest average low temperature is July (59.5°F).
The coldest month (with the lowest average low temperature) is January (17.6°F).
Average pressure in September
Mongaup Valley, NY
- Average pressure in September: 30.06"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Mongaup Valley, NY
- Average wind speed in September: 5.2mph
The windiest months (with the highest average wind speed) are January and February (7.8mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).
Average humidity in September
Mongaup Valley, NY
- Average humidity in September: 80%
The month with the highest relative humidity is December (85%).
The month with the lowest relative humidity is July (77%).
Average rainfall in September
Mongaup Valley, NY
- Average rainfall in September: 1.81"
The wettest month (with the highest rainfall) is May (3.39").
The driest month (with the least rainfall) is September (1.81").
Average rainfall days in September
Mongaup Valley, NY
- Average rainfall days in September: 10.7 days
The month with the highest number of rainy days is May (18.7 days).
The month with the least rainy days is February (9.8 days).
Average snowfall in September
Mongaup Valley, NY
- Average snowfall in September: 0"
The month with the highest snowfall is February (8.35").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Mongaup Valley, NY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (14.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Mongaup Valley, 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 4min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 0min).
Average sunshine days in September
Mongaup Valley, NY
- Average sunshine days in September: 17.1 days
The month with the most sunshine days is September (17.1 days).
The month with the least sunshine days is February (9.4 days).
Average UV index in September
Mongaup Valley, NY
- Average UV index in September: 4
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
Mongaup Valley, NY
- Average cloud cover in September: 42
The month with the most cloud cover is February (Cloud cover 57).
The month with the least cloud cover is July (Cloud cover 38).
Average visibility in September
Mongaup Valley, NY
- Average visibility in September: 4mi
The months with the highest visibility are January, March, April, June, July, August, October, November and December (5mi).
The months with the lowest visibility are February, May and September (4mi).
Mongaup Valley, New York, USA
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