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
The ushering in of September brings an average high-temperature of a still moderately hot 83.3°F (28.5°C), closely mirroring the 85.5°F (29.7°C) of August. In Lakeside, the expected average low-temperature for September is a comfortable 63.5°F (17.5°C).Heat index
In September, the average heat index is computed to be a tropical 86°F (30°C). Persistently participating in activities during exposure may lead to fatigue and induce heat cramps.It is worth noting that heat index values are gauged for conditions in the shade and light breezes. The heat index can potentially augment by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'feels like' or 'felt air temperature', represents the fusion of temperature and moisture in the air to suggest how warm it feels. Physical activity, clothing, and metabolic variations are additional factors that impact an individual's perception of temperature. One must note that being under the direct sun can escalate the heat's effects, with the heat index possibly rising by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Children often overlook the need for breaks and fluid intake. Thirst is a late-stage sign of dehydration - hence, it is necessary to stay hydrated, especially during extended periods of physical activities.
Humidity
In September, the average relative humidity is 57%.Rainfall
In Lakeside, during September, the rain falls for 3.9 days and regularly aggregates up to 0.31" (8mm) of precipitation. In Lakeside, during the entire year, the rain falls for 49.6 days and collects up to 5.16" (131mm) of precipitation.Daylight
The average length of the day in September in Lakeside is 12h and 22min.On the first day of September, sunrise is at 6:22 am and sunset at 7:12 pm. On the last day of the month, sunrise is at 6:41 am and sunset at 6:33 pm PDT.
Sunshine
The average sunshine in September is 10.4h.UV index
June through September, with an average maximum UV index of 6, are months with the highest UV index in Lakeside. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for the ordinary person.Note: During September, 6 as the daily maximum UV index converts into the following advice:
Implement precautions and maintain sun safety methods. Avoidance of sunburn is demanded. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Frequently asked questions
How hot does it get in Lakeside in September?
What is the average humidity in September in Lakeside?
How much does it rain in Lakeside in September?
How many hours of daylight does Lakeside have in September?
When are sunrise and sunset in September in Lakeside?
How many hours of sunshine does Lakeside have in September?
What are the months with the highest UV index in Lakeside?
How high is the UV index in September in Lakeside?
Average temperature in September
Lakeside, CA
- Average high temperature in September: 83.3°F
The warmest month (with the highest average high temperature) is August (85.5°F).
The month with the lowest average high temperature is December (63.7°F).
- Average low temperature in September: 63.5°F
The month with the highest average low temperature is August (64.9°F).
The coldest month (with the lowest average low temperature) is February (46°F).
Average pressure in September
Lakeside, CA
- Average pressure in September: 29.87"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed in September
Lakeside, CA
- Average wind speed in September: 4.2mph
The windiest months (with the highest average wind speed) are April and May (5.3mph).
The calmest months (with the lowest average wind speed) are August, September and October (4.2mph).
Average humidity in September
Lakeside, CA
- Average humidity in September: 57%
The month with the highest relative humidity is May (65%).
The month with the lowest relative humidity is November (52%).
Average rainfall in September
Lakeside, CA
- Average rainfall in September: 0.31"
The wettest month (with the highest rainfall) is February (1.06").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days in September
Lakeside, CA
- Average rainfall days in September: 3.9 days
The month with the highest number of rainy days is March (6.8 days).
The month with the least rainy days is June (1.4 days).
Average daylight in September /
Average sunshine in September
Lakeside, 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 months with the most sunshine are June and July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).
Average sunshine days in September
Lakeside, CA
- Average sunshine days in September: 23.1 days
The month with the most sunshine days is June (28 days).
The month with the least sunshine days is July (20.7 days).
Average UV index in September
Lakeside, CA
- Average UV index in September: 6
The months with the highest UV index are June, July, August and September (UV index 6).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in September
Lakeside, CA
- Average cloud cover in September: 9
The months with the most cloud cover are March and December (Cloud cover 23).
The month with the least cloud cover is August (Cloud cover 6).
Average visibility in September
Lakeside, 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).
Lakeside, California, USA
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