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 implies a soft temperature shift, with average high-temperatures reducing from August's warm 75.7°F (24.3°C) to a pleasant 69.6°F (20.9°C). Delevan's average low-temperature during September nights is observed to be a fresh 50.9°F (10.5°C).Humidity
In Delevan, New York, the average relative humidity in September is 81%.Rainfall
The month with the least rainfall is September, when the rain falls for 15.8 days and typically collects 1.81" (46mm) of precipitation.Snowfall
In Delevan, snow does not fall in June through September.Daylight
In Delevan, the average length of the day in September is 12h and 29min.On the first day of September, sunrise is at 6:39 am and sunset at 7:47 pm. On the last day of the month, sunrise is at 7:10 am and sunset at 6:56 pm EDT.
Sunshine
In Delevan, the average sunshine in September is 8.3h.UV index
In Delevan, the average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for average individuals.Note: The daily high UV index of 3 during September translates into the following recommendations:
Put precautions into practice - Guidance to elude sunburn is provided. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Frequently asked questions
What is the temperature in September in Delevan?
What is the average humidity in September in Delevan?
What is the driest month in Delevan?
How many days does it rain in September in Delevan?
When it does not snow in Delevan?
Does it snow in Delevan in September?
How many hours of daylight does Delevan have in September?
What time are sunrise and sunset in September in Delevan?
How long on average sun shines in September in Delevan?
What is the UV index intensity in September in Delevan?
Average temperature in September
Delevan, NY
- Average high temperature in September: 69.6°F
The warmest month (with the highest average high temperature) is July (77.5°F).
The month with the lowest average high temperature is January (27.5°F).
- Average low temperature in September: 50.9°F
The month with the highest average low temperature is July (58.1°F).
The coldest month (with the lowest average low temperature) is January (16.2°F).
Average pressure in September
Delevan, 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
Delevan, NY
- Average wind speed in September: 6.7mph
The windiest month (with the highest average wind speed) is January (10.8mph).
The calmest months (with the lowest average wind speed) are July and August (6.5mph).
Average humidity in September
Delevan, NY
- Average humidity in September: 81%
The months with the highest relative humidity are January and February (89%).
The month with the lowest relative humidity is May (79%).
Average rainfall in September
Delevan, 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
Delevan, NY
- Average rainfall days in September: 15.8 days
The month with the highest number of rainy days is July (19.3 days).
The month with the least rainy days is February (6.8 days).
Average snowfall in September
Delevan, NY
- Average snowfall in September: 0"
The month with the highest snowfall is February (11.57").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Delevan, NY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (21.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Delevan, 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 6min).
- Average sunshine in September: 8h and 2min
The months with the most sunshine are July and August (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 2h and 6min).
Average sunshine days in September
Delevan, NY
- Average sunshine days in September: 12.3 days
The month with the most sunshine days is September (12.3 days).
The month with the least sunshine days is February (4.7 days).
Average UV index in September
Delevan, NY
- Average UV index in September: 3
The months with the highest UV index are 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
Delevan, NY
- Average cloud cover in September: 41
The month with the most cloud cover is January (Cloud cover 80).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility in September
Delevan, NY
- Average visibility in September: 5mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (5mi).
The months with the lowest visibility are January, February and December (4mi).
Delevan, New York, USA
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