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
With the beginning of September, the average high-temperature shows a small decrease, transitioning from a moderately hot 77.9°F (25.5°C) in August to a pleasant 71.2°F (21.8°C). September nights in Seneca Castle are marked by an average temperature drop to a cool 52.7°F (11.5°C).Humidity
In Seneca Castle, the average relative humidity in September is 79%.Rainfall
In Seneca Castle, during September, the rain falls for 13.8 days and regularly aggregates up to 1.61" (41mm) of precipitation. In Seneca Castle, during the entire year, the rain falls for 157.9 days and collects up to 22.48" (571mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in September is 12h and 29min.On the first day of the month, sunrise is at 6:33 am and sunset at 7:42 pm. On the last day of September, sunrise is at 7:05 am and sunset at 6:50 pm EDT.
Sunshine
In Seneca Castle, the average sunshine in September is 9h.UV index
In Seneca Castle, the average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: The daily high UV index of 3 in September translates into this advice:
Adopt protective measures - Suggestions to resist sunburn are offered. Around midday, solar radiation is most harmful; hence, exposure should be limited. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Frequently asked questions
What is the average September temperature in Seneca Castle?
What is the average humidity in September in Seneca Castle?
How many days does it rain in September in Seneca Castle?
When it does not snow in Seneca Castle?
Does it snow in Seneca Castle in September?
How many hours of daylight does Seneca Castle have in September?
What time are sunrise and sunset in September in Seneca Castle?
How many hours of sunshine does Seneca Castle have in September?
How high is the UV index in September in Seneca Castle?
Average temperature in September
Seneca Castle, NY
- Average high temperature in September: 71.2°F
The warmest month (with the highest average high temperature) is July (79.5°F).
The month with the lowest average high temperature is January (29.5°F).
- Average low temperature in September: 52.7°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 (18.3°F).
Average pressure in September
Seneca Castle, 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 (29.93"Hg).
Average wind speed in September
Seneca Castle, NY
- Average wind speed in September: 6.5mph
The windiest month (with the highest average wind speed) is January (10.2mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).
Average humidity in September
Seneca Castle, NY
- Average humidity in September: 79%
The month with the highest relative humidity is February (86%).
The month with the lowest relative humidity is April (77%).
Average rainfall in September
Seneca Castle, NY
- Average rainfall in September: 1.61"
The wettest month (with the highest rainfall) is October (2.64").
The driest month (with the least rainfall) is January (1.14").
Average rainfall days in September
Seneca Castle, NY
- Average rainfall days in September: 13.8 days
The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is February (7.3 days).
Average snowfall in September
Seneca Castle, NY
- Average snowfall in September: 0"
The month with the highest snowfall is February (4.76").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Seneca Castle, NY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (18.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Seneca Castle, 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 24min).
The month with the least sunshine is February (Average sunshine: 2h and 42min).
Average sunshine days in September
Seneca Castle, NY
- Average sunshine days in September: 13.9 days
The month with the most sunshine days is September (13.9 days).
The month with the least sunshine days is February (6.5 days).
Average UV index in September
Seneca Castle, NY
- Average UV index in September: 3
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in September
Seneca Castle, NY
- Average cloud cover in September: 35
The months with the most cloud cover are January and February (Cloud cover 72).
The months with the least cloud cover are July and August (Cloud cover 32).
Average visibility in September
Seneca Castle, 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).
Seneca Castle, New York, USA
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