September weather forecastGander Bay, Canada

September

Weather in September

The first month of the autumn, September, is also an enjoyable month in Gander Bay, Canada, with an average temperature ranging between max 17.1°C (62.8°F) and min 7.7°C (45.9°F).

Temperature

September's arrival coincides with a soft drop in the average high-temperature, subtly decreasing from August's agreeable 21.8°C (71.2°F) to a comfortable 17.1°C (62.8°F). During the month of September, Gander Bay experiences a steady low-temperature average of 7.7°C (45.9°F).

Humidity

The average relative humidity in September in Gander Bay, Canada, is 81%.

Rainfall

In Gander Bay, in September, during 15.3 rainfall days, 61mm (2.4") of precipitation is typically accumulated. Throughout the year, there are 154.8 rainfall days, and 785mm (30.91") of precipitation is accumulated.

Snowfall

July through September are months without snowfall.

Daylight

In September, the average length of the day in Gander Bay, Canada, is 12h and 35min.
On the first day of the month, sunrise is at 6:24 am and sunset at 7:50 pm. On the last day of September, in Gander Bay, sunrise is at 7:07 am and sunset at 6:48 pm NDT.

Sunshine

In September, the average sunshine is 6.5h.

UV index

In Gander Bay, the average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The UV index of 3 during September leads to these advisories:
Guard yourself - Precautionary measures against sun damage are advocated. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.

Frequently asked questions

In Gander Bay, in September, the average high-temperature is 17.1°C (62.8°F), and the average low-temperature is 7.7°C (45.9°F).

The average relative humidity in September is 81%.

In Gander Bay, Canada, in September, during 15.3 rainfall days, 61mm (2.4") of precipitation is typically accumulated.

In Gander Bay, snow does not fall in July through September.

In Gander Bay, in September, it doesn't snow. In October, it regularly snows.

In Gander Bay, Canada, the average day length in September is 12h and 35min.

On the first day of September in Gander Bay, Canada, sunrise is at 6:24 am and sunset at 7:50 pm. On the last day of the month, sunrise is at 7:07 am and sunset at 6:48 pm NDT.

The average sunshine duration in September in Gander Bay is 6.5h.

In Gander Bay, the average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a moderate health threat from unsafe exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Gander Bay, 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 Bay, 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 Bay, 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 Bay, 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 Bay, 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 Bay, 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 Bay, 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 Bay, 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 Bay, Canada

  • Average daylight in September: 12h and 36min

The month with the longest days is June (Average daylight: 16h and 12min).
The month with the shortest days is December (Average daylight: 8h and 18min).

  • Average sunshine in September: 6h and 30min

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 Bay, 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 Bay, 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 Bay, 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 Bay, 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).