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
A mild shift in the average high-temperature occurs in September, reducing from a hot 90.3°F (32.4°C) in August to a moderately hot 83.1°F (28.4°C). During September, the nighttime temperature in Lakehead presents a clear descent from the daily peaks, falling to an average of 53.6°F (12°C).Heat index
The heat index value during September is evaluated at 82.4°F (28°C). With sustained exposure and activity, exhaustion becomes probable, resulting in heat cramps.When considering the heat index, it's pivotal to note it is for shade and mild wind conditions. A rise of up to 15 Fahrenheit (8 Celsius) degrees in the heat index could result from direct sunlight.
Note: The heat index, also known as 'real feel' or 'apparent temperature', combines air temperature and relative humidity to represent a human perceived temperature equivalent. The impact of weather is individual, with diverse individuals experiencing it differently due to variations in body mass, height, and activity levels. Direct sunlight can potentially raise the heat index by 15 Fahrenheit (8 Celsius) degrees, so it's crucial to consider. Heat index values are highly important for children. Young individuals are typically more threatened than adults due to their reduced perspiration. Also, the larger skin surface proportionate to their small bodies and the increased heat from their activities magnify their risk.
Humidity
The average relative humidity in September is 41%.Rainfall
In September, in Lakehead, the rain falls for 4 days. Throughout September, 0.39" (10mm) of precipitation is accumulated. In Lakehead, during the entire year, the rain falls for 103.6 days and collects up to 25.28" (642mm) of precipitation.Snowfall
In Lakehead, snow does not fall in April through October.Daylight
In Lakehead, the average length of the day in September is 12h and 27min.On the first day of the month, sunrise is at 6:37 am and sunset at 7:41 pm. On the last day of September, sunrise is at 7:05 am and sunset at 6:52 pm PDT.
Sunshine
The average sunshine in September is 11h.UV index
In September, the average daily maximum UV index in Lakehead, California, is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 4 in September interprets into the following recommendations:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Frequently asked questions
How hot is September in Lakehead?
What is the average humidity in September in Lakehead?
How many days does it rain in September in Lakehead?
When it does not snow in Lakehead?
What is the average length of the day in September in Lakehead?
What time are sunrise and sunset in September in Lakehead?
How many hours of sunshine does Lakehead have in September?
What is the UV index reading in September in Lakehead?
Average temperature in September
Lakehead, CA
- Average high temperature in September: 83.1°F
The warmest month (with the highest average high temperature) is July (91.6°F).
The month with the lowest average high temperature is December (48°F).
- Average low temperature in September: 53.6°F
The month with the highest average low temperature is July (59.2°F).
The coldest month (with the lowest average low temperature) is December (34°F).
Average pressure in September
Lakehead, 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 August (29.92"Hg).
Average wind speed in September
Lakehead, CA
- Average wind speed in September: 4.9mph
The windiest months (with the highest average wind speed) are March and October (5.3mph).
The calmest months (with the lowest average wind speed) are August and November (4.5mph).
Average humidity in September
Lakehead, CA
- Average humidity in September: 41%
The month with the highest relative humidity is March (77%).
The month with the lowest relative humidity is August (37%).
Average rainfall in September
Lakehead, CA
- Average rainfall in September: 0.39"
The wettest month (with the highest rainfall) is March (4.8").
The driest month (with the least rainfall) is July (0.12").
Average rainfall days in September
Lakehead, CA
- Average rainfall days in September: 4 days
The month with the highest number of rainy days is March (16.8 days).
The month with the least rainy days is August (1.7 days).
Average snowfall in September
Lakehead, CA
- Average snowfall in September: 0"
The month with the highest snowfall is November (1.3").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Lakehead, CA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.9 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Lakehead, CA
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in September: 11h and 0min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
Average sunshine days in September
Lakehead, CA
- Average sunshine days in September: 24.7 days
The month with the most sunshine days is August (27.3 days).
The month with the least sunshine days is March (12.1 days).
Average UV index in September
Lakehead, CA
- Average UV index in September: 4
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are February, November and December (UV index 2).
Average cloud cover in September
Lakehead, CA
- Average cloud cover in September: 10
The month with the most cloud cover is March (Cloud cover 44).
The month with the least cloud cover is August (Cloud cover 5).
Average visibility in September
Lakehead, CA
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is December (5mi).
Lakehead, California, USA
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