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
The shift from August to September includes a small decrease in the average high-temperature, from a moderately hot 76.3°F (24.6°C) to an agreeable 70°F (21.1°C). Mattydale anticipates an average minimum temperature of 52.5°F (11.4°C) in the month of September.Humidity
In September, the average relative humidity in Mattydale, New York, is 79%.Rainfall
September is the month with the least rainfall. Rain falls for 14.1 days and accumulates 1.73" (44mm) of precipitation.Snowfall
In Mattydale, snow does not fall in June through September.Daylight
The average length of the day in September in Mattydale is 12h and 29min.On the first day of September, sunrise is at 6:29 am and sunset at 7:38 pm. On the last day of the month, sunrise is at 7:01 am and sunset at 6:47 pm EDT.
Sunshine
In September, the average sunshine is 9h.UV index
The average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for average individuals.Note: The daily high UV index of 3 in September translates into this advice:
Exercise care. People with light skin might get burns in fewer than 30 minutes. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
Frequently asked questions
What are the temperatures in Mattydale in September?
What is the average humidity in September in Mattydale?
What is the driest month in Mattydale?
How much does it rain in Mattydale in September?
When it does not snow in Mattydale?
Does it snow in Mattydale in September?
What is the average length of the day in September in Mattydale?
When are sunrise and sunset in September in Mattydale?
How many hours of sunshine does Mattydale have in September?
What is the UV index intensity in September in Mattydale?
Average temperature in September
Mattydale, NY
- Average high temperature in September: 70°F
The warmest month (with the highest average high temperature) is July (77.7°F).
The month with the lowest average high temperature is January (27.9°F).
- Average low temperature in September: 52.5°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 (16.9°F).
Average pressure in September
Mattydale, NY
- Average pressure in September: 30.05"Hg
The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in September
Mattydale, NY
- Average wind speed in September: 6.6mph
The windiest month (with the highest average wind speed) is January (10.5mph).
The calmest month (with the lowest average wind speed) is July (6.1mph).
Average humidity in September
Mattydale, NY
- Average humidity in September: 79%
The month with the highest relative humidity is February (87%).
The month with the lowest relative humidity is April (78%).
Average rainfall in September
Mattydale, NY
- Average rainfall in September: 1.73"
The wettest month (with the highest rainfall) is May (3.03").
The driest month (with the least rainfall) is September (1.73").
Average rainfall days in September
Mattydale, NY
- Average rainfall days in September: 14.1 days
The month with the highest number of rainy days is August (17.6 days).
The month with the least rainy days is February (8.8 days).
Average snowfall in September
Mattydale, NY
- Average snowfall in September: 0"
The month with the highest snowfall is February (6.1").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Mattydale, NY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (20.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Mattydale, NY
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in September: 9h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 2h and 30min).
Average sunshine days in September
Mattydale, NY
- Average sunshine days in September: 14.4 days
The month with the most sunshine days is September (14.4 days).
The month with the least sunshine days is February (5.3 days).
Average UV index in September
Mattydale, 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, February and December (UV index 1).
Average cloud cover in September
Mattydale, NY
- Average cloud cover in September: 34
The months with the most cloud cover are January and February (Cloud cover 74).
The months with the least cloud cover are July and August (Cloud cover 32).
Average visibility in September
Mattydale, NY
- Average visibility in September: 6mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March and December (5mi).
Mattydale, New York, USA
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