September weather forecastSeymour Arm, Canada
September
Weather in September
September, the first month of the autumn in Seymour Arm, is still a mild month, with an average temperature varying between 14.4°C (57.9°F) and 2.7°C (36.9°F).Temperature
In Seymour Arm, the beginning of September is marked by a lowered average high-temperature, shifting from August's agreeable 20.7°C (69.3°F) to a mild 14.4°C (57.9°F). Throughout September, the temperature in Seymour Arm tends to fall to a consistent average low of 2.7°C (36.9°F).Humidity
In Seymour Arm, the average relative humidity in September is 75%.Rainfall
In Seymour Arm, in September, during 15.6 rainfall days, 58mm (2.28") of precipitation is typically accumulated. In Seymour Arm, during the entire year, the rain falls for 186.8 days and collects up to 805mm (31.69") of precipitation.Snowfall
June through September are months without snowfall.Daylight
In Seymour Arm, Canada, the average length of the day in September is 12h and 37min.On the first day of the month, sunrise is at 6:10 am and sunset at 7:40 pm. On the last day of September, sunrise is at 6:56 am and sunset at 6:34 pm PDT.
Sunshine
The average sunshine in September is 9.3h.UV index
The average daily maximum UV index in September in Seymour Arm is 2. A UV Index reading of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for the average person.Note: The UV index of 2 during September translates into the following guidance:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Seymour Arm, Canada
- Average high temperature in September: 14.4°C
The warmest month (with the highest average high temperature) is August (20.7°C).
The month with the lowest average high temperature is December (-5.3°C).
- Average low temperature in September: 2.7°C
The month with the highest average low temperature is August (6.6°C).
The coldest months (with the lowest average low temperature) are February and December (-13.4°C).
Average pressure in September
Seymour Arm, Canada
- Average pressure in September: 1015.4mbar
The month with the highest atmospheric pressure is December (1021.4mbar).
The month with the lowest atmospheric pressure is June (1013.1mbar).
Average wind speed in September
Seymour Arm, Canada
- Average wind speed in September: 5.6km/h
The windiest months (with the highest average wind speed) are March and November (6.5km/h).
The calmest month (with the lowest average wind speed) is August (5.2km/h).
Average humidity in September
Seymour Arm, Canada
- Average humidity in September: 75%
The month with the highest relative humidity is January (96%).
The month with the lowest relative humidity is August (65%).
Average rainfall in September
Seymour Arm, Canada
- Average rainfall in September: 58mm
The wettest month (with the highest rainfall) is November (93mm).
The driest month (with the least rainfall) is August (41mm).
Average rainfall days in September
Seymour Arm, Canada
- Average rainfall days in September: 15.6 days
The month with the highest number of rainy days is April (21.8 days).
The month with the least rainy days is December (9.9 days).
Average snowfall in September
Seymour Arm, Canada
- Average snowfall in September: 0mm
The month with the highest snowfall is December (320mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Seymour Arm, Canada
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is December (17.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Seymour Arm, Canada
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 30min).
The month with the shortest days is December (Average daylight: 8h and 0min).
- Average sunshine in September: 9h and 18min
The month with the most sunshine is August (Average sunshine: 11h and 24min).
The months with the least sunshine are January and February (Average sunshine: 3h and 24min).
Average sunshine days in September
Seymour Arm, Canada
- Average sunshine days in September: 12.9 days
The month with the most sunshine days is August (16.8 days).
The month with the least sunshine days is April (5.4 days).
Average UV index in September
Seymour Arm, Canada
- Average UV index in September: 2
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 1).
Average cloud cover in September
Seymour Arm, Canada
- Average cloud cover in September: 37
The month with the most cloud cover is March (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 25).
Average visibility in September
Seymour Arm, Canada
- Average visibility in September: 8km
The months with the highest visibility are June, July and August (9km).
The months with the lowest visibility are January and February (4km).





