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
Smithers's transition into September involves a shift in temperature, receding from a comfortable 17.4°C (63.3°F) in August to a cool 12.2°C (54°F). During the month of September, Smithers experiences a steady low-temperature average of 2.5°C (36.5°F).Humidity
In September, the average relative humidity is 82%.Rainfall
In Smithers, in September, it is raining for 17.1 days, with typically 43mm (1.69") of accumulated precipitation. In Smithers, during the entire year, the rain falls for 158.7 days and collects up to 516mm (20.31") of precipitation.Snowfall
Months with snowfall are January through May, September through December. September is the first month it typically snows in Smithers. Throughout September, in the average 0.2 snowfall days, it receives 2mm (0.08") of snow. Throughout the year, in Smithers, there are 99.8 snowfall days, and 1106mm (43.54") of snow is accumulated.Daylight
The average length of the day in September in Smithers is 12h and 41min.On the first day of September, sunrise is at 6:37 am and sunset at 8:19 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 7:05 pm PDT.
Sunshine
In September, the average sunshine is 7.5h.UV index
In September, the average daily maximum UV index in Smithers is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for average individuals.Note: An average maximum UV index of 2 in September leads to these recommendations:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in Smithers?
What is the average humidity in September in Smithers?
How much does it rain in Smithers in September?
When does it start to snow in Smithers?
What is the average length of the day in September in Smithers?
What time are sunrise and sunset in September in Smithers?
How long on average sun shines in September in Smithers?
What is the UV index reading in September in Smithers?
Average temperature in September
Smithers, Canada
- Average high temperature in September: 12.2°C
The warmest month (with the highest average high temperature) is July (17.9°C).
The month with the lowest average high temperature is December (-6°C).
- Average low temperature in September: 2.5°C
The month with the highest average low temperature is August (5.4°C).
The coldest month (with the lowest average low temperature) is February (-13.3°C).
Average pressure in September
Smithers, Canada
- Average pressure in September: 1014.4mbar
The month with the highest atmospheric pressure is February (1018.1mbar).
The month with the lowest atmospheric pressure is November (1013.7mbar).
Average wind speed in September
Smithers, Canada
- Average wind speed in September: 6.1km/h
The windiest month (with the highest average wind speed) is June (6.9km/h).
The calmest month (with the lowest average wind speed) is February (6km/h).
Average humidity in September
Smithers, Canada
- Average humidity in September: 82%
The month with the highest relative humidity is January (97%).
The month with the lowest relative humidity is June (73%).
Average rainfall in September
Smithers, Canada
- Average rainfall in September: 43mm
The wettest month (with the highest rainfall) is October (58mm).
The driest month (with the least rainfall) is February (24mm).
Average rainfall days in September
Smithers, Canada
- Average rainfall days in September: 17.1 days
The month with the highest number of rainy days is May (19.7 days).
The month with the least rainy days is December (4.9 days).
Average snowfall in September
Smithers, Canada
- Average snowfall in September: 2mm
The month with the highest snowfall is January (242mm).
The months with the least snowfall are June, July and August (0mm).
Average snowfall days in September
Smithers, Canada
- Average snowfall days in September: 0.2 days
The month with the highest number of snowfall days is December (18.7 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Smithers, Canada
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 17h and 12min).
The month with the shortest days is December (Average daylight: 7h and 18min).
- Average sunshine in September: 7h and 3min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 2h and 6min).
Average sunshine days in September
Smithers, Canada
- Average sunshine days in September: 10.5 days
The months with the most sunshine days are February and December (12.5 days).
The month with the least sunshine days is April (6.3 days).
Average UV index in September
Smithers, Canada
- Average UV index in September: 2
The month with the highest UV index is July (UV index 4).
The months with the lowest UV index are January, February, October, November and December (UV index 1).
Average cloud cover in September
Smithers, Canada
- Average cloud cover in September: 55
The month with the most cloud cover is January (Cloud cover 79).
The month with the least cloud cover is August (Cloud cover 47).
Average visibility in September
Smithers, Canada
- Average visibility in September: 7km
The months with the highest visibility are May, June, July and August (8km).
The month with the lowest visibility is January (3km).
