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 August transitions into September, Gander sees a gentle drop in the average high-temperature, transitioning from an agreeable 21.8°C (71.2°F) to a refreshing 17.1°C (62.8°F). An average low-temperature of 7.7°C (45.9°F) is common during the nights of September.Humidity
The average relative humidity in September in Gander is 81%.Rainfall
In Gander, during September, the rain falls for 15.3 days and regularly aggregates up to 61mm (2.4") of precipitation. In Gander, during the entire year, the rain falls for 154.8 days and collects up to 785mm (30.91") of precipitation.Snowfall
July through September are months without snowfall in Gander.Daylight
In Gander, the average length of the day in September is 12h and 35min.On the first day of the month, sunrise is at 6:26 am and sunset at 7:50 pm. On the last day of September, in Gander, sunrise is at 7:07 am and sunset at 6:48 pm NDT.
Sunshine
The average sunshine in September in Gander is 6.5h.UV index
The average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for average individuals.Note: The maximum daily UV index of 3 in September interprets into the following recommendations:
Prioritize safety - Recommendations to avert sunburn are shared. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Frequently asked questions
What is the temperature in September in Gander?
What is the average humidity in September in Gander?
How much does it rain in Gander in September?
When it does not snow in Gander?
Does it snow in Gander in September?
What is the average length of the day in September in Gander?
When are sunrise and sunset in September in Gander?
How many hours of sunshine does Gander have in September?
How high is the UV index in September in Gander?
Average temperature in September
Gander, Canada
- Average high temperature in September: 17.1°C
The warmest month (with the highest average high temperature) is July (21.9°C).
The months with the lowest average high temperature are January and February (-2.8°C).
- Average low temperature in September: 7.7°C
The month with the highest average low temperature is August (11.9°C).
The coldest month (with the lowest average low temperature) is February (-10.4°C).
Average pressure in September
Gander, Canada
- Average pressure in September: 1014.6mbar
The month with the highest atmospheric pressure is May (1014.7mbar).
The month with the lowest atmospheric pressure is February (1007.7mbar).
Average wind speed in September
Gander, Canada
- Average wind speed in September: 14km/h
The windiest month (with the highest average wind speed) is February (16.1km/h).
The calmest month (with the lowest average wind speed) is August (12.4km/h).
Average humidity in September
Gander, Canada
- Average humidity in September: 81%
The months with the highest relative humidity are January and March (92%).
The months with the lowest relative humidity are June and July (79%).
Average rainfall in September
Gander, Canada
- Average rainfall in September: 61mm
The wettest month (with the highest rainfall) is November (87mm).
The driest month (with the least rainfall) is April (52mm).
Average rainfall days in September
Gander, Canada
- Average rainfall days in September: 15.3 days
The month with the highest number of rainy days is August (18.7 days).
The month with the least rainy days is February (4.3 days).
Average snowfall in September
Gander, Canada
- Average snowfall in September: 0mm
The month with the highest snowfall is January (262mm).
The months with the least snowfall are July, August and September (0mm).
Average snowfall days in September
Gander, Canada
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is January (19.6 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Gander, Canada
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 18min).
- Average sunshine in September: 6h and 3min
The months with the most sunshine are July and August (Average sunshine: 7h and 12min).
The month with the least sunshine is February (Average sunshine: 2h and 30min).
Average sunshine days in September
Gander, Canada
- Average sunshine days in September: 11.3 days
The month with the most sunshine days is September (11.3 days).
The month with the least sunshine days is March (7.7 days).
Average UV index in September
Gander, Canada
- Average UV index in September: 3
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 1).
Average cloud cover in September
Gander, Canada
- Average cloud cover in September: 53
The month with the most cloud cover is March (Cloud cover 75).
The month with the least cloud cover is September (Cloud cover 53).
Average visibility in September
Gander, Canada
- Average visibility in September: 9km
The month with the highest visibility is September (9km).
The months with the lowest visibility are January, February, March and April (7km).
Gander, Canada
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