September weather forecastIqaluit, Canada
September
Weather in September
September in Iqaluit, Canada marks the end of the brief summer season with a noticeable dip in temperatures and the average high settling at 5.2°C (41.4°F). The commencement of autumn brings a change in the colors of the leaves and signals the inevitable return of the cold. Rainfall remains a part of the weather pattern, but it begins to decrease, averaging at 42mm (1.65"). Residents and tourists appreciate the mild but changing weather with outdoor barbecues and outdoor excursions. As the month progresses, it becomes evident that the cold is creeping back, manipulating the landscape once more.Temperature
With September's arrival, Iqaluit, Canada, sees a decrease in average high-temperatures, moving from a cool 10.5°C (50.9°F) in August to an icy 5.2°C (41.4°F). During September, Iqaluit records a consistent average nighttime temperature of -0.1°C (31.8°F).Humidity
The average relative humidity in September in Iqaluit is 75.6%.Rainfall
In Iqaluit, during September, the rain falls for 10.6 days and regularly aggregates up to 42mm (1.65") of precipitation. Throughout the year, in Iqaluit, there are 51.7 rainfall days, and 197mm (7.76") of precipitation is accumulated.Snowfall
January through June, August through December are months with snowfall. In Iqaluit, in September, during 7.2 snowfall days, 132mm (5.2") of snow is typically accumulated. In Iqaluit, Canada, during the entire year, snow falls for 113.4 days and aggregates up to 2293mm (90.28") of snow.Sea temperature
In September, the average sea temperature in Iqaluit is 2°C (35.6°F).Note: In the sport of swimming, this scenario is extremely cold, treacherous, and fatal. If not protected by insulated waterproof clothing, hypothermia ensues quickly.
Daylight
In September, the average length of the day is 12h and 59min.On the first day of the month, sunrise is at 5:20 am and sunset at 7:47 pm. On the last day of September, sunrise is at 6:41 am and sunset at 6:05 pm EDT.
Sunshine
The average sunshine in September is 2.9h.UV index
The average daily maximum UV index in September in Iqaluit is 2. A UV Index value of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for the ordinary person.Note: The UV index of 2 in September translates into these instructions:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Iqaluit, Canada
- Average high temperature in September: 5.2°C
The warmest month (with the highest average high temperature) is July (12.3°C).
The month with the lowest average high temperature is February (-23.3°C).
- Average low temperature in September: -0.1°C
The month with the highest average low temperature is July (4.1°C).
The coldest month (with the lowest average low temperature) is February (-31.7°C).
Average humidity in September
Iqaluit, Canada
- Average humidity in September: 75.6%
The month with the highest relative humidity is October (78.1%).
The month with the lowest relative humidity is February (64.6%).
Average rainfall in September
Iqaluit, Canada
- Average rainfall in September: 42.2mm
The wettest month (with the highest rainfall) is August (68.6mm).
The driest months (with the least rainfall) are January, February, March and December (0mm).
Average rainfall days in September
Iqaluit, Canada
- Average rainfall days in September: 10.6 days
The month with the highest number of rainy days is August (16.7 days).
The months with the least rainy days are January, March and December (0 days).
Average snowfall in September
Iqaluit, Canada
- Average snowfall in September: 132mm
The month with the highest snowfall is April (315mm).
The month with the least snowfall is July (0mm).
Average snowfall days in September
Iqaluit, Canada
- Average snowfall days in September: 7.2 days
The month with the highest number of snowfall days is November (13.8 days).
The month with the least snowfall days is July (0.1 days).
Average sea temperature in September
Iqaluit, Canada
- Average sea temperature in September: 2°C
The best month for swimming (with the highest average sea temperature) is August (3°C).
The coldest months (with the lowest average sea temperature) are January, February and March (-2°C).
Average daylight in September /
Average sunshine in September
Iqaluit, Canada
- Average daylight in September: 13h and 0min
The month with the longest days is June (Average daylight: 20h and 36min).
The month with the shortest days is December (Average daylight: 4h and 36min).
- Average sunshine in September: 2h and 54min
The month with the most sunshine is July (Average sunshine: 7h and 36min).
The month with the least sunshine is December (Average sunshine: 0h and 24min).
Average UV index in September
Iqaluit, Canada
- Average UV index in September: 2
The months with the highest UV index are May, June and July (UV index 4).
The months with the lowest UV index are January, February, November and December (UV index 0).
