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
September is characterized by a slight reduction in average high-temperature, easing from 91.4°F (33°C) in August to a still hot 86°F (30°C). Quartz Hill observes a noteworthy temperature drop from the daily highs during September nights, with a mean temperature of 61.3°F (16.3°C).Humidity
In Quartz Hill, California, the average relative humidity in September is 34%.Rainfall
In September, the rain falls for 2.6 days. Throughout September, 0.16" (4mm) of precipitation is accumulated. Throughout the year, in Quartz Hill, there are 48.7 rainfall days, and 5.71" (145mm) of precipitation is accumulated.Snowfall
April through October are months without snowfall in Quartz Hill.Daylight
In September, the average length of the day in Quartz Hill is 12h and 23min.On the first day of September, sunrise is at 6:26 am and sunset at 7:18 pm. On the last day of the month, sunrise is at 6:47 am and sunset at 6:37 pm PDT.
Sunshine
In Quartz Hill, California, the average sunshine in September is 10.9h.UV index
In September, the average daily maximum UV index in Quartz Hill is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: In September, the maximum UV index of 5 suggests this advice:
Undertake protective steps - Preventing sun damage is advised. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Frequently asked questions
How hot is it in Quartz Hill in September?
What is the average humidity in September in Quartz Hill?
How much does it rain in Quartz Hill in September?
When it does not snow in Quartz Hill?
What is the average length of the day in September in Quartz Hill?
When are sunrise and sunset in September in Quartz Hill?
How many hours of sunshine does Quartz Hill have in September?
What is the UV index intensity in September in Quartz Hill?
Average temperature in September
Quartz Hill, CA
- Average high temperature in September: 86°F
The warmest month (with the highest average high temperature) is July (91.8°F).
The month with the lowest average high temperature is December (54.5°F).
- Average low temperature in September: 61.3°F
The month with the highest average low temperature is August (65.3°F).
The coldest month (with the lowest average low temperature) is December (37.8°F).
Average pressure in September
Quartz Hill, CA
- Average pressure in September: 29.89"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed in September
Quartz Hill, CA
- Average wind speed in September: 6.8mph
The windiest month (with the highest average wind speed) is May (9.3mph).
The calmest month (with the lowest average wind speed) is January (6.7mph).
Average humidity in September
Quartz Hill, CA
- Average humidity in September: 34%
The month with the highest relative humidity is December (54%).
The month with the lowest relative humidity is August (31%).
Average rainfall in September
Quartz Hill, CA
- Average rainfall in September: 0.16"
The wettest month (with the highest rainfall) is December (1.34").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days in September
Quartz Hill, CA
- Average rainfall days in September: 2.6 days
The month with the highest number of rainy days is March (7.1 days).
The month with the least rainy days is June (1.1 days).
Average snowfall in September
Quartz Hill, CA
- Average snowfall in September: 0"
The month with the highest snowfall is December (2.01").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Quartz Hill, CA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (0.8 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
Quartz Hill, 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 5min
The months with the most sunshine are June and July (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 6h and 54min).
Average sunshine days in September
Quartz Hill, CA
- Average sunshine days in September: 25.5 days
The month with the most sunshine days is June (28.1 days).
The month with the least sunshine days is February (20.8 days).
Average UV index in September
Quartz Hill, CA
- Average UV index in September: 5
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in September
Quartz Hill, CA
- Average cloud cover in September: 5
The months with the most cloud cover are March and December (Cloud cover 21).
The months with the least cloud cover are June, August and September (Cloud cover 5).
Average visibility in September
Quartz Hill, 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).
Quartz Hill, California, USA
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