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 brings a slight decrease in the average high-temperature, shifting from a pleasant 73.2°F (22.9°C) in August to an enjoyable 67.3°F (19.6°C). Echo Lake demonstrates a significant disparity from daytime highs throughout the month of September, with an average nighttime temperature of 42.3°F (5.7°C).Humidity
The average relative humidity in September in Echo Lake is 45%.Rainfall
In Echo Lake, in September, it is raining for 4.3 days, with typically 0.39" (10mm) of accumulated precipitation. Throughout the year, in Echo Lake, there are 45.4 rainfall days, and 26.06" (662mm) of precipitation is accumulated.Snowfall
Months with snowfall in Echo Lake are January through June, September through December. September is the first month it typically snows. Throughout September, in the average 1 snowfall days, it receives 0.63" (16mm) of snow. Throughout the year, in Echo Lake, there are 83.9 snowfall days, and 153.46" (3898mm) of snow is accumulated.Daylight
In September, the average length of the day is 12h and 25min.On the first day of the month, sunrise is at 6:29 am and sunset at 7:29 pm. On the last day of September, in Echo Lake, sunrise is at 6:55 am and sunset at 6:43 pm PDT.
Sunshine
The average sunshine in September is 11.1h.UV index
In September, the average daily maximum UV index in Echo Lake is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: In September, a daily UV index of 3 turns into the following recommendations:
Take precautions - Protection against sun damage is advised. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Frequently asked questions
What is the average September temperature in Echo Lake?
What is the average humidity in September in Echo Lake?
How many days does it rain in September in Echo Lake?
When does it start to snow in Echo Lake?
What is the average length of the day in September in Echo Lake?
When are sunrise and sunset in September in Echo Lake?
How long on average sun shines in September in Echo Lake?
What is the UV index intensity in September in Echo Lake?
Average temperature in September
Echo Lake, CA
- Average high temperature in September: 67.3°F
The warmest month (with the highest average high temperature) is July (74.1°F).
The month with the lowest average high temperature is December (35.4°F).
- Average low temperature in September: 42.3°F
The month with the highest average low temperature is July (47.1°F).
The coldest month (with the lowest average low temperature) is December (20.1°F).
Average pressure in September
Echo Lake, CA
- Average pressure in September: 29.94"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in September
Echo Lake, CA
- Average wind speed in September: 5.7mph
The windiest month (with the highest average wind speed) is March (7.5mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in September
Echo Lake, CA
- Average humidity in September: 45%
The month with the highest relative humidity is March (82%).
The month with the lowest relative humidity is August (41%).
Average rainfall in September
Echo Lake, CA
- Average rainfall in September: 0.39"
The wettest month (with the highest rainfall) is March (4.69").
The driest month (with the least rainfall) is August (0.31").
Average rainfall days in September
Echo Lake, CA
- Average rainfall days in September: 4.3 days
The month with the highest number of rainy days is May (6.9 days).
The month with the least rainy days is November (1.3 days).
Average snowfall in September
Echo Lake, CA
- Average snowfall in September: 0.63"
The month with the highest snowfall is March (33.46").
The months with the least snowfall are July and August (0").
Average snowfall days in September
Echo Lake, CA
- Average snowfall days in September: 1 days
The month with the highest number of snowfall days is March (15.2 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Echo Lake, CA
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in September: 11h and 1min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
Average sunshine days in September
Echo Lake, CA
- Average sunshine days in September: 25.2 days
The month with the most sunshine days is August (25.6 days).
The month with the least sunshine days is March (14.7 days).
Average UV index in September
Echo Lake, CA
- Average UV index in September: 3
The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is February (UV index 1).
Average cloud cover in September
Echo Lake, CA
- Average cloud cover in September: 10
The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 8).
Average visibility in September
Echo Lake, CA
- Average visibility in September: 6mi
The months with the highest visibility are May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March, April and December (5mi).
Echo Lake, California, USA
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