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
As August shifts into September, a minor alteration in temperatures is observed, with average highs reducing from 93.7°F (34.3°C) to a still hot 87.3°F (30.7°C). During the month of September, the nighttime temperature falls to an average of 66.9°F (19.4°C).Humidity
In Truckhaven, California, the average relative humidity in September is 38%.Rainfall
In Truckhaven, California, during September, the rain falls for 6.2 days and regularly aggregates up to 0.71" (18mm) of precipitation. In Truckhaven, during the entire year, the rain falls for 60.2 days and collects up to 7.68" (195mm) of precipitation.Daylight
In Truckhaven, the average length of the day in September is 12h and 22min.On the first day of September in Truckhaven, sunrise is at 6:18 am and sunset at 7:08 pm. On the last day of the month, sunrise is at 6:38 am and sunset at 6:29 pm PDT.
Sunshine
In Truckhaven, the average sunshine in September is 10.4h.UV index
In Truckhaven, the average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for the ordinary person.Note: A maximum high UV index of 6 in September translates into the following recommendations:
Use protective steps and abide by sun safety guidelines. Safeguarding against skin and eye harm is necessary. The Sun's UV radiation is most potent between 10 a.m. and 4 p.m. Try to limit direct exposure to the Sun during this period. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
Frequently asked questions
How hot does it get in Truckhaven in September?
What is the average humidity in September in Truckhaven?
How many days does it rain in September in Truckhaven?
How many hours of daylight does Truckhaven have in September?
What time are sunrise and sunset in September in Truckhaven?
How long on average sun shines in September in Truckhaven?
What is the UV index reading in September in Truckhaven?
Average temperature in September
Truckhaven, CA
- Average high temperature in September: 87.3°F
The warmest months (with the highest average high temperature) are July and August (93.7°F).
The month with the lowest average high temperature is December (59.4°F).
- Average low temperature in September: 66.9°F
The month with the highest average low temperature is August (71.2°F).
The coldest month (with the lowest average low temperature) is December (43.3°F).
Average pressure in September
Truckhaven, CA
- Average pressure in September: 29.84"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.82"Hg).
Average wind speed in September
Truckhaven, CA
- Average wind speed in September: 6.4mph
The windiest month (with the highest average wind speed) is May (8.6mph).
The calmest month (with the lowest average wind speed) is January (5.2mph).
Average humidity in September
Truckhaven, CA
- Average humidity in September: 38%
The month with the highest relative humidity is December (50%).
The months with the lowest relative humidity are June and August (34%).
Average rainfall in September
Truckhaven, CA
- Average rainfall in September: 0.71"
The wettest month (with the highest rainfall) is July (1.38").
The driest months (with the least rainfall) are May and June (0.12").
Average rainfall days in September
Truckhaven, CA
- Average rainfall days in September: 6.2 days
The month with the highest number of rainy days is July (7.8 days).
The month with the least rainy days is June (1.8 days).
Average daylight in September /
Average sunshine in September
Truckhaven, CA
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in September: 10h and 2min
The month with the most sunshine is June (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 48min).
Average sunshine days in September
Truckhaven, CA
- Average sunshine days in September: 22.3 days
The month with the most sunshine days is June (27.5 days).
The month with the least sunshine days is July (20.4 days).
Average UV index in September
Truckhaven, CA
- Average UV index in September: 6
The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in September
Truckhaven, CA
- Average cloud cover in September: 7
The month with the most cloud cover is December (Cloud cover 21).
The month with the least cloud cover is June (Cloud cover 5).
Average visibility in September
Truckhaven, 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).
Truckhaven, California, USA
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