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
As September begins, there is a minor decrease in the average high-temperature, softly falling from a moderately hot 80.1°F (26.7°C) in August to an agreeable 73°F (22.8°C). Johnson experiences an average low-temperature reading of 52.9°F (11.6°C) throughout September.Humidity
In Johnson, the average relative humidity in September is 79%.Rainfall
In Johnson, during September, the rain falls for 12.1 days and regularly aggregates up to 1.97" (50mm) of precipitation. Throughout the year, in Johnson, there are 153.7 rainfall days, and 30.75" (781mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall in Johnson.Daylight
In September, the average length of the day is 12h and 28min.On the first day of September, sunrise is at 6:25 am and sunset at 7:30 pm. On the last day of the month, sunrise is at 6:54 am and sunset at 6:41 pm EDT.
Sunshine
The average sunshine in September in Johnson is 8.6h.UV index
In September, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: An average UV index of 4 in September transforms into this advice:
Ensure safety - Sun damage prevention is strongly urged. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
Frequently asked questions
What is the usual temperature for Johnson in September?
What is the average humidity in September in Johnson?
How many days does it rain in September in Johnson?
When it does not snow in Johnson?
Does it snow in Johnson in September?
How many hours of daylight does Johnson have in September?
What time are sunrise and sunset in September in Johnson?
How long on average sun shines in September in Johnson?
What is the UV index intensity in September in Johnson?
Average temperature in September
Johnson, NY
- Average high temperature in September: 73°F
The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (32°F).
- Average low temperature in September: 52.9°F
The month with the highest average low temperature is July (60.6°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure in September
Johnson, NY
- Average pressure in September: 30.06"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Johnson, NY
- Average wind speed in September: 5.1mph
The windiest months (with the highest average wind speed) are January, February and March (7.4mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity in September
Johnson, NY
- Average humidity in September: 79%
The month with the highest relative humidity is December (83%).
The months with the lowest relative humidity are April and July (77%).
Average rainfall in September
Johnson, NY
- Average rainfall in September: 1.97"
The wettest month (with the highest rainfall) is July (3.39").
The driest month (with the least rainfall) is January (1.85").
Average rainfall days in September
Johnson, NY
- Average rainfall days in September: 12.1 days
The month with the highest number of rainy days is July (17.7 days).
The month with the least rainy days is January (7.4 days).
Average snowfall in September
Johnson, NY
- Average snowfall in September: 0"
The month with the highest snowfall is February (5.12").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Johnson, NY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (8.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Johnson, NY
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in September: 8h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).
Average sunshine days in September
Johnson, NY
- Average sunshine days in September: 15.7 days
The month with the most sunshine days is November (19 days).
The month with the least sunshine days is July (11 days).
Average UV index in September
Johnson, NY
- Average UV index in September: 4
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, March, November and December (UV index 2).
Average cloud cover in September
Johnson, NY
- Average cloud cover in September: 41
The month with the most cloud cover is February (Cloud cover 53).
The month with the least cloud cover is July (Cloud cover 36).
Average visibility in September
Johnson, NY
- Average visibility in September: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
Johnson, New York, USA
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