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
September
Weather in September
Temperature
In Gananoque, entering September brings a subtle temperature decrement, reducing from August's warm 24.3°C (75.7°F) to a pleasant 20.5°C (68.9°F). Gananoque's September nights cool down to an average low-temperature of 12.2°C (54°F).Humidity
In Gananoque, Canada, the average relative humidity in September is 77%.Rainfall
The month with the least rainfall in Gananoque is September, when the rain falls for 12.5 days and typically collects 38mm (1.5") of precipitation.Snowfall
June through September are months without snowfall in Gananoque.Daylight
The average length of the day in September in Gananoque is 12h and 30min.On the first day of September in Gananoque, sunrise is at 6:28 am and sunset at 7:40 pm. On the last day of the month, sunrise is at 7:02 am and sunset at 6:46 pm EDT.
Sunshine
In September, the average sunshine is 9.3h.UV index
In Gananoque, the average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the average person.Note: The daily high UV index of 3 in September translates into this advice:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Gananoque in September?
What is the average humidity in September in Gananoque?
What is the driest month in Gananoque?
How much does it rain in Gananoque in September?
When it does not snow in Gananoque?
Does it snow in Gananoque in September?
What is the average length of the day in September in Gananoque?
When is the sunrise / sunset in September in Gananoque?
How many hours of sunshine does Gananoque have in September?
How high is the UV index in September in Gananoque?
Average temperature in September
Gananoque, Canada
- Average high temperature in September: 20.5°C
The warmest month (with the highest average high temperature) is July (24.5°C).
The month with the lowest average high temperature is January (-3.5°C).
- Average low temperature in September: 12.2°C
The month with the highest average low temperature is July (16.3°C).
The coldest month (with the lowest average low temperature) is January (-9.7°C).
Average pressure in September
Gananoque, Canada
- Average pressure in September: 1017.3mbar
The month with the highest atmospheric pressure is November (1018.3mbar).
The month with the lowest atmospheric pressure is June (1012.8mbar).
Average wind speed in September
Gananoque, Canada
- Average wind speed in September: 12.4km/h
The windiest month (with the highest average wind speed) is January (16.9km/h).
The calmest month (with the lowest average wind speed) is July (11.4km/h).
Average humidity in September
Gananoque, Canada
- Average humidity in September: 77%
The months with the highest relative humidity are January and February (87%).
The month with the lowest relative humidity is April (76%).
Average rainfall in September
Gananoque, Canada
- Average rainfall in September: 38mm
The wettest month (with the highest rainfall) is October (70mm).
The driest month (with the least rainfall) is September (38mm).
Average rainfall days in September
Gananoque, Canada
- Average rainfall days in September: 12.5 days
The month with the highest number of rainy days is October (17.1 days).
The month with the least rainy days is February (7.1 days).
Average snowfall in September
Gananoque, Canada
- Average snowfall in September: 0mm
The month with the highest snowfall is December (154mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Gananoque, Canada
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (18.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Gananoque, Canada
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in September: 9h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 2h and 54min).
Average sunshine days in September
Gananoque, Canada
- Average sunshine days in September: 15.7 days
The month with the most sunshine days is September (15.7 days).
The month with the least sunshine days is January (7.9 days).
Average UV index in September
Gananoque, Canada
- 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
Gananoque, Canada
- Average cloud cover in September: 31
The month with the most cloud cover is January (Cloud cover 70).
The months with the least cloud cover are July and August (Cloud cover 29).
Average visibility in September
Gananoque, Canada
- Average visibility in September: 9km
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January and February (8km).
