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
Leon's weather in September involves a mild decrease in the average high-temperature, moving down slightly from August's warm 74.8°F (23.8°C) to an agreeable 69.4°F (20.8°C). The average temperature drops to a fresh 53.6°F (12°C) during the night in the month of September.Humidity
With an average relative humidity of 80%, September is the least humid month.Rainfall
In September, in Leon, the rain falls for 16.9 days. Throughout September, 2.17" (55mm) of precipitation is accumulated. In Leon, during the entire year, the rain falls for 170.3 days and collects up to 32.36" (822mm) of precipitation.Snowfall
June through September are months without snowfall in Leon.Daylight
In September, the average length of the day in Leon is 12h and 28min.On the first day of the month, sunrise is at 6:42 am and sunset at 7:49 pm. On the last day of September, in Leon, sunrise is at 7:12 am and sunset at 6:58 pm EDT.
Sunshine
In September, the average sunshine in Leon is 8.7h.UV index
The average daily maximum UV index in September in Leon is 3. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the ordinary person.Note: In September, a regular UV index of 3 translates into these guidelines:
Take necessary precautions - Protection from skin and eye injury is mandatory. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Frequently asked questions
What are the temperatures in Leon in September?
What is the least humid month in Leon?
What is the average humidity in September in Leon?
How many days does it rain in September in Leon?
When it does not snow in Leon?
Does it snow in Leon in September?
What is the average length of the day in September in Leon?
When is the sunrise / sunset in September in Leon?
How many hours of sunshine does Leon have in September?
What is the UV index reading in September in Leon?
Average temperature in September
Leon, 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 (28.2°F).
- Average low temperature in September: 53.6°F
The month with the highest average low temperature is July (59.9°F).
The coldest month (with the lowest average low temperature) is January (18°F).
Average pressure in September
Leon, 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
Leon, NY
- Average wind speed in September: 7.4mph
The windiest month (with the highest average wind speed) is January (11.5mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).
Average humidity in September
Leon, NY
- Average humidity in September: 80%
The months with the highest relative humidity are January and February (88%).
The month with the lowest relative humidity is September (80%).
Average rainfall in September
Leon, NY
- Average rainfall in September: 2.17"
The wettest month (with the highest rainfall) is May (3.62").
The driest month (with the least rainfall) is January (1.81").
Average rainfall days in September
Leon, NY
- Average rainfall days in September: 16.9 days
The month with the highest number of rainy days is May (20.3 days).
The month with the least rainy days is January (5.5 days).
Average snowfall in September
Leon, NY
- Average snowfall in September: 0"
The month with the highest snowfall is November (5.79").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Leon, NY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (11.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Leon, 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 4min
The months with the most sunshine are July and August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 2h and 24min).
Average sunshine days in September
Leon, NY
- Average sunshine days in September: 10.5 days
The month with the most sunshine days is March (14 days).
The month with the least sunshine days is May (8.4 days).
Average UV index in September
Leon, 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, February and December (UV index 1).
Average cloud cover in September
Leon, NY
- Average cloud cover in September: 36
The month with the most cloud cover is January (Cloud cover 77).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in September
Leon, NY
- Average visibility in September: 6mi
The months with the highest visibility are April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February and March (5mi).
Leon, New York, USA
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