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
As August transitions into September, Pinecrest sees a gentle drop in the average high-temperature, transitioning from a warm 79°F (26.1°C) to a pleasant 73.2°F (22.9°C). September nights indicate a noticeable temperature drop from the daytime highs, with an average reading lowering to a frosty 47.3°F (8.5°C).Humidity
In September, the average relative humidity is 40%.Rainfall
In Pinecrest, in September, during 4 rainfall days, 0.39" (10mm) of precipitation is typically accumulated. Throughout the year, there are 66.3 rainfall days, and 33.43" (849mm) of precipitation is accumulated.Snowfall
January through June, September through December are months with snowfall. September is the first month it typically snows. Throughout September, in the average 0.3 snowfall days, it receives 0.12" (3mm) of snow. In Pinecrest, during the entire year, snow falls for 63.7 days and aggregates up to 179.69" (4564mm) of snow.Daylight
In Pinecrest, California, the average length of the day in September is 12h and 25min.On the first day of the month, sunrise is at 6:30 am and sunset at 7:29 pm. On the last day of September, 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 Pinecrest, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: During September, 4 as the daily maximum UV index converts into the following advice:
Take necessary precautions - Suggestions to elude sunburn are provided. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Pinecrest in September?
What is the average humidity in September?
How much does it rain in September?
When does it start to snow?
How many hours of daylight does Pinecrest have in September?
When are sunrise and sunset in September?
How many hours of sunshine does Pinecrest have in September?
What is the UV index intensity in September in Pinecrest?
Average temperature in September
Pinecrest, CA
- Average high temperature in September: 73.2°F
The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is December (41.7°F).
- Average low temperature in September: 47.3°F
The month with the highest average low temperature is July (52.3°F).
The coldest month (with the lowest average low temperature) is December (25.2°F).
Average pressure in September
Pinecrest, CA
- Average pressure in September: 29.94"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in September
Pinecrest, CA
- Average wind speed in September: 5.8mph
The windiest month (with the highest average wind speed) is February (6.7mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).
Average humidity in September
Pinecrest, CA
- Average humidity in September: 40%
The month with the highest relative humidity is March (77%).
The months with the lowest relative humidity are July and August (38%).
Average rainfall in September
Pinecrest, CA
- Average rainfall in September: 0.39"
The wettest month (with the highest rainfall) is February (5.98").
The driest month (with the least rainfall) is August (0.16").
Average rainfall days in September
Pinecrest, CA
- Average rainfall days in September: 4 days
The month with the highest number of rainy days is May (10.2 days).
The months with the least rainy days are July and August (3.4 days).
Average snowfall in September
Pinecrest, CA
- Average snowfall in September: 0.12"
The month with the highest snowfall is March (38.07").
The months with the least snowfall are July and August (0").
Average snowfall days in September
Pinecrest, CA
- Average snowfall days in September: 0.3 days
The month with the highest number of snowfall days is March (13.3 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Pinecrest, 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 36min).
- Average sunshine in September: 11h and 1min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The months with the least sunshine are January and February (Average sunshine: 5h and 42min).
Average sunshine days in September
Pinecrest, CA
- Average sunshine days in September: 25.1 days
The month with the most sunshine days is August (25.8 days).
The month with the least sunshine days is March (13.8 days).
Average UV index in September
Pinecrest, CA
- Average UV index in September: 4
The months with the highest UV index are June and 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
Pinecrest, CA
- Average cloud cover in September: 9
The month with the most cloud cover is March (Cloud cover 39).
The month with the least cloud cover is July (Cloud cover 6).
Average visibility in September
Pinecrest, CA
- Average visibility in September: 6mi
The months with the highest visibility are January, February, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is March (5mi).
Pinecrest, California, USA
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