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 warm 77.5°F (25.3°C) to an agreeable 69.6°F (20.9°C). During September, Granville witnesses a consistent average low-temperature of 49.5°F (9.7°C).Humidity
In September, the average relative humidity is 79%.Rainfall
In Granville, during September, the rain falls for 12.5 days and regularly aggregates up to 1.93" (49mm) of precipitation. Throughout the year, in Granville, there are 153.4 rainfall days, and 27.8" (706mm) of precipitation is accumulated.Snowfall
In Granville, snow does not fall in June through September.Daylight
In September, the average length of the day in Granville is 12h and 29min.On the first day of September in Granville, sunrise is at 6:17 am and sunset at 7:27 pm. On the last day of the month, sunrise is at 6:50 am and sunset at 6:35 pm EDT.
Sunshine
In September, the average sunshine in Granville, New York, is 8.5h.UV index
The average daily maximum UV index in September in Granville, New York, is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the average person.Note: A maximum daily UV index of 3 during September morphs into the following directions:
Put precautions into practice - Ensuring skin and eye safety is a necessity. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Frequently asked questions
What are the temperatures in Granville in September?
What is the average humidity in September in Granville?
How much does it rain in Granville in September?
When it does not snow in Granville?
Does it snow in Granville in September?
What is the average length of the day in September in Granville?
What time are sunrise and sunset in September in Granville?
How long on average sun shines in September in Granville?
What is the UV index reading in September in Granville?
Average temperature in September
Granville, NY
- Average high temperature in September: 69.6°F
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (25.3°F).
- Average low temperature in September: 49.5°F
The month with the highest average low temperature is July (57.4°F).
The coldest month (with the lowest average low temperature) is January (14.2°F).
Average pressure in September
Granville, NY
- Average pressure in September: 30.05"Hg
The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in September
Granville, NY
- Average wind speed in September: 5.3mph
The windiest months (with the highest average wind speed) are January and April (7.2mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).
Average humidity in September
Granville, NY
- Average humidity in September: 79%
The months with the highest relative humidity are January and February (85%).
The month with the lowest relative humidity is April (74%).
Average rainfall in September
Granville, NY
- Average rainfall in September: 1.93"
The wettest month (with the highest rainfall) is June (2.91").
The driest months (with the least rainfall) are January, February and March (1.89").
Average rainfall days in September
Granville, NY
- Average rainfall days in September: 12.5 days
The month with the highest number of rainy days is July (17.6 days).
The month with the least rainy days is February (6.2 days).
Average snowfall in September
Granville, NY
- Average snowfall in September: 0"
The month with the highest snowfall is February (8.35").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Granville, NY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (15.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Granville, NY
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in September: 8h and 3min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 3h and 18min).
Average sunshine days in September
Granville, NY
- Average sunshine days in September: 15.5 days
The month with the most sunshine days is November (16.2 days).
The month with the least sunshine days is June (10.9 days).
Average UV index in September
Granville, 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
Granville, NY
- Average cloud cover in September: 38
The month with the most cloud cover is February (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility in September
Granville, NY
- Average visibility in September: 5mi
The months with the highest visibility are January, March, April, May, June, July, August, September, October, November and December (5mi).
The month with the lowest visibility is February (4mi).
Granville, New York, USA
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