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
Transitioning from August to September, Lawndale observes an average high-temperature of a still warm 78.1°F (25.6°C), differing subtly from the previous month. An average low-temperature of 64.2°F (17.9°C) marks the month of September.Humidity
In September, the average relative humidity is 64%.Rainfall
In Lawndale, in September, during 3.2 rainfall days, 0.24" (6mm) of precipitation is typically accumulated. Throughout the year, in Lawndale, California, there are 52.9 rainfall days, and 7.87" (200mm) of precipitation is accumulated.Daylight
In September, the average length of the day in Lawndale is 12h and 22min.On the first day of September in Lawndale, California, sunrise is at 6:27 am and sunset at 7:18 pm. On the last day of the month, sunrise is at 6:47 am and sunset at 6:38 pm PDT.
Sunshine
In September, the average sunshine is 10.5h.UV index
The months with the highest UV index are June through September, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for the ordinary person.Note: The daily high UV index of 6 during September translates into the following recommendations:
Endorse precautions and be consistent with sun safety guidelines. Preventing sunburn is paramount. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is particularly strong, noting that parasols or canopies may not offer total sun protection. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in Lawndale?
What is the average humidity in September in Lawndale?
How much does it rain in Lawndale in September?
How many hours of daylight does Lawndale have in September?
What time are sunrise and sunset in September in Lawndale?
How long on average sun shines in September in Lawndale?
What is the month with the highest UV index in Lawndale?
What is the UV index intensity in September in Lawndale?
Average temperature in September
Lawndale, CA
- Average high temperature in September: 78.1°F
The warmest month (with the highest average high temperature) is August (78.6°F).
The month with the lowest average high temperature is December (63.5°F).
- Average low temperature in September: 64.2°F
The month with the highest average low temperature is August (64.6°F).
The coldest month (with the lowest average low temperature) is February (51.8°F).
Average pressure in September
Lawndale, CA
- Average pressure in September: 29.9"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The months with the lowest atmospheric pressure are June and September (29.9"Hg).
Average wind speed in September
Lawndale, CA
- Average wind speed in September: 5mph
The windiest month (with the highest average wind speed) is April (6.6mph).
The calmest months (with the lowest average wind speed) are August and September (5mph).
Average humidity in September
Lawndale, CA
- Average humidity in September: 64%
The month with the highest relative humidity is June (72%).
The month with the lowest relative humidity is November (55%).
Average rainfall in September
Lawndale, CA
- Average rainfall in September: 0.24"
The wettest month (with the highest rainfall) is January (1.5").
The driest month (with the least rainfall) is June (0.08").
Average rainfall days in September
Lawndale, CA
- Average rainfall days in September: 3.2 days
The month with the highest number of rainy days is March (7.1 days).
The month with the least rainy days is August (2.6 days).
Average daylight in September /
Average sunshine in September
Lawndale, CA
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in September: 10h and 3min
The months with the most sunshine are July and August (Average sunshine: 11h and 54min).
The months with the least sunshine are January and December (Average sunshine: 6h and 42min).
Average sunshine days in September
Lawndale, CA
- Average sunshine days in September: 22.6 days
The month with the most sunshine days is October (25.1 days).
The month with the least sunshine days is June (20 days).
Average UV index in September
Lawndale, CA
- Average UV index in September: 6
The months with the highest UV index are June, July, August and September (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 4).
Average cloud cover in September
Lawndale, CA
- Average cloud cover in September: 11
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 8).
Average visibility in September
Lawndale, 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).
Lawndale, California, USA
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