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 transition into September is accompanied by a slight temperature decrease, with the average high-temperature shifting from a warm 77°F (25°C) in August to a pleasant 70.7°F (21.5°C). Jacksonville anticipates an average minimum temperature of 50.7°F (10.4°C) in the month of September.Humidity
In September, the average relative humidity in Jacksonville is 81%.Rainfall
In Jacksonville, in September, it is raining for 14.1 days, with typically 2.44" (62mm) of accumulated precipitation. Throughout the year, there are 167.1 rainfall days, and 31.65" (804mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall in Jacksonville, New York.Daylight
In Jacksonville, New York, the average length of the day in September is 12h and 29min.On the first day of September in Jacksonville, sunrise is at 6:32 am and sunset at 7:40 pm. On the last day of the month, sunrise is at 7:03 am and sunset at 6:49 pm EDT.
Sunshine
In Jacksonville, New York, the average sunshine in September is 8.5h.UV index
In September, the average daily maximum UV index in Jacksonville is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In September, an average UV index of 3 transforms into the following instructions:
Act with care - The need to guard against sun damage is communicated. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Experience reduced UV exposure by about half when donning a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September in Jacksonville?
What is the average humidity in September in Jacksonville?
How much does it rain in Jacksonville in September?
When it does not snow in Jacksonville?
Does it snow in Jacksonville in September?
How many hours of daylight does Jacksonville have in September?
What time are sunrise and sunset in September in Jacksonville?
How many hours of sunshine does Jacksonville have in September?
How high is the UV index in September in Jacksonville?
Average temperature in September
Jacksonville, NY
- Average high temperature in September: 70.7°F
The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is January (28.2°F).
- Average low temperature in September: 50.7°F
The month with the highest average low temperature is July (58.3°F).
The coldest month (with the lowest average low temperature) is January (16.7°F).
Average pressure in September
Jacksonville, NY
- Average pressure in September: 30.06"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
Jacksonville, NY
- Average wind speed in September: 6.5mph
The windiest month (with the highest average wind speed) is January (9.9mph).
The calmest months (with the lowest average wind speed) are July and August (5.9mph).
Average humidity in September
Jacksonville, NY
- Average humidity in September: 81%
The month with the highest relative humidity is February (87%).
The month with the lowest relative humidity is April (78%).
Average rainfall in September
Jacksonville, NY
- Average rainfall in September: 2.44"
The wettest month (with the highest rainfall) is June (3.43").
The driest month (with the least rainfall) is January (1.93").
Average rainfall days in September
Jacksonville, NY
- Average rainfall days in September: 14.1 days
The month with the highest number of rainy days is July (18.7 days).
The month with the least rainy days is January (6.8 days).
Average snowfall in September
Jacksonville, NY
- Average snowfall in September: 0"
The month with the highest snowfall is February (8.11").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Jacksonville, NY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (18.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Jacksonville, 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 3min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 2h and 36min).
Average sunshine days in September
Jacksonville, NY
- Average sunshine days in September: 14.1 days
The month with the most sunshine days is September (14.1 days).
The month with the least sunshine days is February (5.8 days).
Average UV index in September
Jacksonville, 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
Jacksonville, NY
- Average cloud cover in September: 40
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 36).
Average visibility in September
Jacksonville, NY
- Average visibility in September: 5mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January and February (4mi).
Jacksonville, New York, USA
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