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
Dewittville, New York, transitions into September recording an average high-temperature of an agreeable 69.4°F (20.8°C), closely aligning with the preceding month's temperature. Dewittville's temperature drops to an average low of 54.3°F (12.4°C) during the nights of September.Humidity
The months with the lowest humidity are April and September, with an average relative humidity of 81%.Rainfall
September is the month with the least rainfall in Dewittville. Rain falls for 15.4 days and accumulates 1.89" (48mm) of precipitation.Snowfall
In Dewittville, New York, snow does not fall in June through September.Daylight
In September, the average length of the day is 12h and 28min.On the first day of September in Dewittville, sunrise is at 6:43 am and sunset at 7:51 pm. On the last day of the month, sunrise is at 7:14 am and sunset at 7:00 pm EDT.
Sunshine
The average sunshine in September is 8.6h.UV index
In Dewittville, New York, the average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the average person.Note: The maximum UV index, 3 during September, leads to the following recommendations:
Undertake protective steps - Recommendations to avoid sunburn are issued. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in Dewittville?
What is the least humid month in Dewittville?
What is the average humidity in September in Dewittville?
What is the driest month in Dewittville?
How much does it rain in Dewittville in September?
When it does not snow in Dewittville?
Does it snow in Dewittville in September?
How many hours of daylight does Dewittville have in September?
What time are sunrise and sunset in September in Dewittville?
How long on average sun shines in September in Dewittville?
What is the UV index reading in September in Dewittville?
Average temperature in September
Dewittville, NY
- Average high temperature in September: 69.4°F
The warmest month (with the highest average high temperature) is July (75.9°F).
The month with the lowest average high temperature is January (28.8°F).
- Average low temperature in September: 54.3°F
The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure in September
Dewittville, 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
Dewittville, NY
- Average wind speed in September: 7.7mph
The windiest month (with the highest average wind speed) is January (11.7mph).
The calmest month (with the lowest average wind speed) is July (6.7mph).
Average humidity in September
Dewittville, NY
- Average humidity in September: 81%
The months with the highest relative humidity are January and February (88%).
The months with the lowest relative humidity are April and September (81%).
Average rainfall in September
Dewittville, NY
- Average rainfall in September: 1.89"
The wettest month (with the highest rainfall) is May (3.15").
The driest month (with the least rainfall) is September (1.89").
Average rainfall days in September
Dewittville, NY
- Average rainfall days in September: 15.4 days
The month with the highest number of rainy days is May (18.5 days).
The month with the least rainy days is February (7.8 days).
Average snowfall in September
Dewittville, NY
- Average snowfall in September: 0"
The month with the highest snowfall is February (7.64").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Dewittville, NY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (20.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Dewittville, 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 August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 2h and 18min).
Average sunshine days in September
Dewittville, NY
- Average sunshine days in September: 12.4 days
The month with the most sunshine days is September (12.4 days).
The month with the least sunshine days is January (4.9 days).
Average UV index in September
Dewittville, 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 and December (UV index 1).
Average cloud cover in September
Dewittville, NY
- Average cloud cover in September: 36
The month with the most cloud cover is January (Cloud cover 79).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in September
Dewittville, NY
- Average visibility in September: 6mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).
Dewittville, New York, USA
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