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 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
Tres Pinos ushers in September with an average high-temperature of a warm 85.1°F (29.5°C), showing a close resemblance to the previous month. From significant daily highs, Tres Pinos's nights in September cool down to an average low-temperature of 54.9°F (12.7°C).Heat index
September's mean heat index is evaluated at a hot 87.8°F (31°C). A sense of exhaustion might occur with extended exposure and activity, potentially causing heat cramps.Bear in mind that the heat index values are determined for shaded areas and light breezes. When under direct sunshine, the heat index may be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', blends air temperature and moisture content to represent the felt temperature to humans. This effect is subjective, differing among individuals based on their physical activity and perception of heat, which can be influenced by factors like wind, clothing, and metabolic variances. Direct sun exposure is noteworthy in its ability to escalate the felt temperature, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are highly critical for babies and toddlers. Youths are typically more endangered than adults since they usually sweat less. Their larger skin surface concerning their smaller bodies and higher heat production due to activity further adds to their vulnerability.
Humidity
In September, the average relative humidity is 54%.Rainfall
In Tres Pinos, in September, during 1.5 rainfall days, 0.08" (2mm) of precipitation is typically accumulated. In Tres Pinos, California, during the entire year, the rain falls for 59.2 days and collects up to 8.66" (220mm) of precipitation.Daylight
In Tres Pinos, the average length of the day in September is 12h and 24min.On the first day of September, sunrise is at 6:37 am and sunset at 7:33 pm. On the last day of the month, sunrise is at 7:00 am and sunset at 6:49 pm PDT.
Sunshine
In September, the average sunshine is 11.4h.UV index
In September, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.Note: An average UV index of 5 in September transforms into this advice:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Enhance your sun protection with tightly woven, yet airy clothing.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is it in Tres Pinos in September?
What is the average humidity in September?
How much does it rain in September?
How many hours of daylight does Tres Pinos have in September?
When are sunrise and sunset in September?
How long on average sun shines in September?
How high is the UV index in September?
Average temperature in September
Tres Pinos, CA
- Average high temperature in September: 85.1°F
The warmest month (with the highest average high temperature) is July (87.8°F).
The month with the lowest average high temperature is December (57.4°F).
- Average low temperature in September: 54.9°F
The month with the highest average low temperature is August (55.4°F).
The coldest months (with the lowest average low temperature) are March and December (40.3°F).
Average pressure in September
Tres Pinos, CA
- Average pressure in September: 29.92"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.92"Hg).
Average wind speed in September
Tres Pinos, CA
- Average wind speed in September: 4.2mph
The windiest month (with the highest average wind speed) is May (5.5mph).
The calmest month (with the lowest average wind speed) is November (3.7mph).
Average humidity in September
Tres Pinos, CA
- Average humidity in September: 54%
The month with the highest relative humidity is March (73%).
The month with the lowest relative humidity is July (53%).
Average rainfall in September
Tres Pinos, CA
- Average rainfall in September: 0.08"
The wettest month (with the highest rainfall) is December (1.57").
The driest months (with the least rainfall) are July and August (0.04").
Average rainfall days in September
Tres Pinos, CA
- Average rainfall days in September: 1.5 days
The month with the highest number of rainy days is March (11.6 days).
The month with the least rainy days is August (0.3 days).
Average daylight in September /
Average sunshine in September
Tres Pinos, CA
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in September: 11h and 2min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 6min).
Average sunshine days in September
Tres Pinos, CA
- Average sunshine days in September: 27.8 days
The month with the most sunshine days is August (30.3 days).
The month with the least sunshine days is March (18.6 days).
Average UV index in September
Tres Pinos, CA
- Average UV index in September: 5
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in September
Tres Pinos, CA
- Average cloud cover in September: 7
The month with the most cloud cover is March (Cloud cover 34).
The months with the least cloud cover are July and August (Cloud cover 5).
Average visibility in September
Tres Pinos, CA
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Tres Pinos, California, USA
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