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
September signals a slight drop in average high-temperature, sliding from August's warm 77°F (25°C) to a pleasant 70.3°F (21.3°C). The average temperature during September nights is registered at a fresh 50.4°F (10.2°C).Humidity
In Saint Johnsville, the average relative humidity in September is 79%.Rainfall
The month with the least rainfall in Saint Johnsville is September, when the rain falls for 11.4 days and typically collects 2.01" (51mm) of precipitation.Snowfall
In Saint Johnsville, New York, snow does not fall in June through September.Daylight
In September, the average length of the day is 12h and 29min.On the first day of September in Saint Johnsville, sunrise is at 6:23 am and sunset at 7:33 pm. On the last day of the month, sunrise is at 6:55 am and sunset at 6:41 pm EDT.
Sunshine
In Saint Johnsville, the average sunshine in September is 9h.UV index
In Saint Johnsville, New York, the average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for average individuals.Note: A daily maximum UV index of 3 in September translates into the following instructions:
Take precautions - Protection against sunburn is recommended. Minimize direct exposure to the Sun during midday when its radiation is at its peak. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Frequently asked questions
What is the temperature in September in Saint Johnsville?
What is the average humidity in September in Saint Johnsville?
What is the driest month in Saint Johnsville?
How much does it rain in Saint Johnsville in September?
When it does not snow in Saint Johnsville?
Does it snow in Saint Johnsville in September?
What is the average length of the day in September in Saint Johnsville?
What time are sunrise and sunset in September in Saint Johnsville?
How many hours of sunshine does Saint Johnsville have in September?
What is the UV index intensity in September in Saint Johnsville?
Average temperature in September
Saint Johnsville, NY
- Average high temperature in September: 70.3°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 (27.1°F).
- Average low temperature in September: 50.4°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 (15.3°F).
Average pressure in September
Saint Johnsville, NY
- Average pressure in September: 30.06"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
Saint Johnsville, NY
- Average wind speed in September: 5.9mph
The windiest months (with the highest average wind speed) are January and February (9.1mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).
Average humidity in September
Saint Johnsville, 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 (76%).
Average rainfall in September
Saint Johnsville, NY
- Average rainfall in September: 2.01"
The wettest month (with the highest rainfall) is May (3.46").
The driest month (with the least rainfall) is September (2.01").
Average rainfall days in September
Saint Johnsville, NY
- Average rainfall days in September: 11.4 days
The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is January (9.3 days).
Average snowfall in September
Saint Johnsville, NY
- Average snowfall in September: 0"
The month with the highest snowfall is February (9.17").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Saint Johnsville, NY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (17.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Saint Johnsville, 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 12min).
The month with the least sunshine is February (Average sunshine: 3h and 12min).
Average sunshine days in September
Saint Johnsville, NY
- Average sunshine days in September: 16 days
The month with the most sunshine days is September (16 days).
The month with the least sunshine days is February (6.3 days).
Average UV index in September
Saint Johnsville, 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
Saint Johnsville, NY
- Average cloud cover in September: 36
The month with the most cloud cover is February (Cloud cover 66).
The months with the least cloud cover are July and August (Cloud cover 35).
Average visibility in September
Saint Johnsville, 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).
Saint Johnsville, New York, USA
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