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
September's arrival correlates with a reduction in the average high-temperature, down from a pleasant 21.8°C (71.2°F) in August to a refreshing 15.6°C (60.1°F). September generally records an average low-temperature of 4.3°C (39.7°F).Humidity
The average relative humidity in September in Salmon Valley is 75%.Rainfall
In Salmon Valley, during September, the rain falls for 13.7 days and regularly aggregates up to 38mm (1.5") of precipitation. Throughout the year, in Salmon Valley, there are 148.9 rainfall days, and 482mm (18.98") of precipitation is accumulated.Snowfall
January through May, September through December are months with snowfall. September is the first month it typically snows in Salmon Valley. Throughout September, in the average 0.3 snowfall days, it receives 1mm (0.04") of snow. Throughout the year, there are 91.8 snowfall days, and 1294mm (50.94") of snow is accumulated.Daylight
In Salmon Valley, the average length of the day in September is 12h and 40min.On the first day of September, sunrise is at 6:20 am and sunset at 8:00 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 6:48 pm PDT.
Sunshine
In Salmon Valley, the average sunshine in September is 9.1h.UV index
In Salmon Valley, 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 average individuals.Note: A maximum high UV index of 3 in September translates into the following recommendations:
Make use of precautions - It is urged to ward off sun damage. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Frequently asked questions
What is the average September temperature in Salmon Valley?
What is the average humidity in September in Salmon Valley?
How much does it rain in Salmon Valley in September?
When does it start to snow in Salmon Valley?
How many hours of daylight does Salmon Valley have in September?
What time are sunrise and sunset in September in Salmon Valley?
How long on average sun shines in September in Salmon Valley?
What is the UV index intensity in September in Salmon Valley?
Average temperature in September
Salmon Valley, Canada
- Average high temperature in September: 15.6°C
The warmest month (with the highest average high temperature) is July (21.9°C).
The month with the lowest average high temperature is December (-4.8°C).
- Average low temperature in September: 4.3°C
The month with the highest average low temperature is July (8.2°C).
The coldest month (with the lowest average low temperature) is February (-11.9°C).
Average pressure in September
Salmon Valley, Canada
- Average pressure in September: 1014.3mbar
The month with the highest atmospheric pressure is February (1019.3mbar).
The month with the lowest atmospheric pressure is June (1012.3mbar).
Average wind speed in September
Salmon Valley, Canada
- Average wind speed in September: 6.8km/h
The windiest month (with the highest average wind speed) is November (8.2km/h).
The calmest month (with the lowest average wind speed) is August (6.2km/h).
Average humidity in September
Salmon Valley, Canada
- Average humidity in September: 75%
The month with the highest relative humidity is January (95%).
The month with the lowest relative humidity is June (65%).
Average rainfall in September
Salmon Valley, Canada
- Average rainfall in September: 38mm
The wettest month (with the highest rainfall) is November (53mm).
The driest months (with the least rainfall) are August and December (33mm).
Average rainfall days in September
Salmon Valley, Canada
- Average rainfall days in September: 13.7 days
The month with the highest number of rainy days is April (17.6 days).
The month with the least rainy days is December (5.7 days).
Average snowfall in September
Salmon Valley, Canada
- Average snowfall in September: 1mm
The month with the highest snowfall is January (284mm).
The months with the least snowfall are June, July and August (0mm).
Average snowfall days in September
Salmon Valley, Canada
- Average snowfall days in September: 0.3 days
The month with the highest number of snowfall days is March (17.1 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Salmon Valley, Canada
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 17h and 6min).
The month with the shortest days is December (Average daylight: 7h and 30min).
- Average sunshine in September: 9h and 1min
The month with the most sunshine is August (Average sunshine: 11h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).
Average sunshine days in September
Salmon Valley, Canada
- Average sunshine days in September: 14.1 days
The month with the most sunshine days is August (15.4 days).
The month with the least sunshine days is April (7.7 days).
Average UV index in September
Salmon Valley, 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, October, November and December (UV index 1).
Average cloud cover in September
Salmon Valley, Canada
- Average cloud cover in September: 39
The month with the most cloud cover is January (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in September
Salmon Valley, Canada
- Average visibility in September: 9km
The months with the highest visibility are May, June, July, August and September (9km).
The month with the lowest visibility is January (4km).
Salmon Valley, Canada
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