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 onset corresponds with a subtle shift in the average high-temperature, slightly moving from a warm 78.3°F (25.7°C) in August to a pleasant 69.8°F (21°C). Silver Lake logs a notable disparity from the daily highs during September, as the nighttime temperature lowers to an average of 45.5°F (7.5°C).Humidity
In September, the average relative humidity is 54%.Rainfall
In Silver Lake, in September, during 3.5 rainfall days, 0.24" (6mm) of precipitation is typically accumulated. Throughout the year, there are 42.7 rainfall days, and 4.8" (122mm) of precipitation is accumulated.Snowfall
January through June, September through December are months with snowfall in Silver Lake. September is the first month it typically snows. Throughout September, in the average 0.6 snowfall days, it receives 0.43" (11mm) of snow. Throughout the year, in Silver Lake, there are 40.2 snowfall days, and 19.09" (485mm) of snow is accumulated.Daylight
In September, the average length of the day in Silver Lake is 12h and 29min.On the first day of the month, sunrise is at 6:29 am and sunset at 7:38 pm. On the last day of September, sunrise is at 7:01 am and sunset at 6:46 pm PDT.
Sunshine
The average sunshine in September is 11h.UV index
The average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum UV index of 3 during September translates into these guidelines:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Frequently asked questions
What is the usual temperature for Silver Lake in September?
What is the average humidity in September in Silver Lake?
How many days does it rain in September in Silver Lake?
When does it start to snow in Silver Lake?
How many hours of daylight does Silver Lake have in September?
When is the sunrise / sunset in September in Silver Lake?
How long on average sun shines in September in Silver Lake?
What is the UV index reading in September in Silver Lake?
Average temperature in September
Silver Lake, OR
- Average high temperature in September: 69.8°F
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is December (34.5°F).
- Average low temperature in September: 45.5°F
The month with the highest average low temperature is August (51.8°F).
The coldest month (with the lowest average low temperature) is December (23.7°F).
Average pressure in September
Silver Lake, OR
- Average pressure in September: 29.99"Hg
The month with the highest atmospheric pressure is January (30.18"Hg).
The month with the lowest atmospheric pressure is August (29.97"Hg).
Average wind speed in September
Silver Lake, OR
- Average wind speed in September: 5.7mph
The windiest month (with the highest average wind speed) is March (7.6mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in September
Silver Lake, OR
- Average humidity in September: 54%
The month with the highest relative humidity is December (82%).
The month with the lowest relative humidity is July (46%).
Average rainfall in September
Silver Lake, OR
- Average rainfall in September: 0.24"
The wettest month (with the highest rainfall) is February (0.71").
The driest month (with the least rainfall) is July (0.08").
Average rainfall days in September
Silver Lake, OR
- Average rainfall days in September: 3.5 days
The month with the highest number of rainy days is May (5.5 days).
The month with the least rainy days is February (2.3 days).
Average snowfall in September
Silver Lake, OR
- Average snowfall in September: 0.43"
The month with the highest snowfall is February (4.61").
The months with the least snowfall are July and August (0").
Average snowfall days in September
Silver Lake, OR
- Average snowfall days in September: 0.6 days
The month with the highest number of snowfall days is December (7.4 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Silver Lake, OR
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in September: 11h and 0min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).
Average sunshine days in September
Silver Lake, OR
- Average sunshine days in September: 24.4 days
The month with the most sunshine days is July (26.7 days).
The month with the least sunshine days is February (20.6 days).
Average UV index in September
Silver Lake, OR
- Average UV index in September: 3
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in September
Silver Lake, OR
- Average cloud cover in September: 17
The month with the most cloud cover is December (Cloud cover 46).
The months with the least cloud cover are July and August (Cloud cover 9).
Average visibility in September
Silver Lake, OR
- Average visibility in September: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and December (5mi).
Silver Lake, Oregon, USA
Weather forecast for your location
2. Allow the app to use your location
