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
With the onset of September, the average high-temperature registers at a still tropical 88.7°F (31.5°C), subtly different from August's 93.4°F (34.1°C). During September, Linden reports a marked contrast from daily peak temperatures, with an average nighttime reading of 58.5°F (14.7°C).Heat index
For most parts of September, the heat index is calculated to be a hot 89.6°F (32°C). Prolonged exposure combined with continuous activity could lead to exhaustion, and possibly heat cramps.One should be cognizant that the heat index values are tailored for shaded spots and mild winds. Heat index values may be hiked up by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is a value derived by merging air temperature with the humidity to convey how the climate feels. The effect is experienced differently by individuals, hinging on unique characteristics such as body mass, stature, and level of activity. Direct exposure to sun rays can potentially augment the heat sensation, elevating the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.
Humidity
The average relative humidity in September is 45%.Rainfall
In Linden, California, in September, during 2.1 rainfall days, 0.08" (2mm) of precipitation is typically accumulated. Throughout the year, there are 50.5 rainfall days, and 5.12" (130mm) of precipitation is accumulated.Daylight
In September, the average length of the day in Linden is 12h and 25min.On the first day of September, sunrise is at 6:34 am and sunset at 7:33 pm. On the last day of the month, sunrise is at 6:59 am and sunset at 6:48 pm PDT.
Sunshine
In September, the average sunshine is 11.4h.UV index
The average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 5 in September interprets into the following recommendations:
Act with care - Obligation to protect against skin and eye damage is highlighted. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is September in Linden?
What is the average humidity in September in Linden?
How much does it rain in Linden in September?
What is the average length of the day in September in Linden?
What time are sunrise and sunset in September in Linden?
How many hours of sunshine does Linden have in September?
How high is the UV index in September in Linden?
Average temperature in September
Linden, CA
- Average high temperature in September: 88.7°F
The warmest month (with the highest average high temperature) is July (94.6°F).
The month with the lowest average high temperature is December (55.2°F).
- Average low temperature in September: 58.5°F
The month with the highest average low temperature is July (60.1°F).
The coldest month (with the lowest average low temperature) is December (40.8°F).
Average pressure in September
Linden, CA
- Average pressure in September: 29.92"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in September
Linden, CA
- Average wind speed in September: 5.5mph
The windiest month (with the highest average wind speed) is June (6.9mph).
The calmest month (with the lowest average wind speed) is November (4.6mph).
Average humidity in September
Linden, CA
- Average humidity in September: 45%
The month with the highest relative humidity is January (74%).
The month with the lowest relative humidity is July (42%).
Average rainfall in September
Linden, CA
- Average rainfall in September: 0.08"
The wettest month (with the highest rainfall) is February (0.91").
The driest months (with the least rainfall) are June, July and August (0.04").
Average rainfall days in September
Linden, CA
- Average rainfall days in September: 2.1 days
The month with the highest number of rainy days is March (9.3 days).
The month with the least rainy days is June (0.9 days).
Average daylight in September /
Average sunshine in September
Linden, 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 2min
The month with the most sunshine is July (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 5h and 54min).
Average sunshine days in September
Linden, CA
- Average sunshine days in September: 27.5 days
The month with the most sunshine days is August (28.9 days).
The month with the least sunshine days is February (21 days).
Average UV index in September
Linden, CA
- Average UV index in September: 5
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in September
Linden, CA
- Average cloud cover in September: 7
The month with the most cloud cover is March (Cloud cover 34).
The month with the least cloud cover is July (Cloud cover 4).
Average visibility in September
Linden, 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).
Linden, California, USA
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