September weather forecastRosamond, CA
September
Weather in September
The first month of the autumn, September, is also a hot month in Rosamond, California, with an average temperature ranging between max 86.9°F (30.5°C) and min 62.4°F (16.9°C).Temperature
In Rosamond, the beginning of September is marked by a marginally lowered average high-temperature, shifting from August's hot 92.8°F (33.8°C) to a still tropical 86.9°F (30.5°C). A sharp contrast between day and night is prevalent in September with an average nighttime temperature of 62.4°F (16.9°C).Humidity
The average relative humidity in September is 31%.Rainfall
In Rosamond, in September, during 2.5 rainfall days, 0.16" (4mm) of precipitation is typically accumulated. Throughout the year, there are 39.6 rainfall days, and 4.13" (105mm) of precipitation is accumulated.Snowfall
In Rosamond, snow does not fall in March through October.Daylight
In September, the average length of the day is 12h and 23min.On the first day of the month, sunrise is at 6:26 am and sunset at 7:18 pm. On the last day of September, sunrise is at 6:47 am and sunset at 6:37 pm PDT.
Sunshine
The average sunshine in September is 10.9h.UV index
In Rosamond, California, the average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for average individuals.Note: An average UV index of 6 in September transforms into this advice:
Avoid overexposure. Fair-skinned individuals can burn in under 20 minutes. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Rosamond, CA
- Average high temperature in September: 86.9°F
The warmest month (with the highest average high temperature) is July (93.6°F).
The month with the lowest average high temperature is December (54.5°F).
- Average low temperature in September: 62.4°F
The months with the highest average low temperature are July and August (66.9°F).
The coldest month (with the lowest average low temperature) is December (37.8°F).
Average pressure in September
Rosamond, CA
- Average pressure in September: 29.88"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in September
Rosamond, CA
- Average wind speed in September: 7.6mph
The windiest month (with the highest average wind speed) is May (10.4mph).
The calmest month (with the lowest average wind speed) is January (6.6mph).
Average humidity in September
Rosamond, CA
- Average humidity in September: 31%
The month with the highest relative humidity is December (53%).
The month with the lowest relative humidity is August (27%).
Average rainfall in September
Rosamond, CA
- Average rainfall in September: 0.16"
The wettest month (with the highest rainfall) is December (0.98").
The driest month (with the least rainfall) is June (0.08").
Average rainfall days in September
Rosamond, CA
- Average rainfall days in September: 2.5 days
The month with the highest number of rainy days is March (5.4 days).
The month with the least rainy days is June (1.2 days).
Average snowfall in September
Rosamond, CA
- Average snowfall in September: 0"
The month with the highest snowfall is November (1.26").
The months with the least snowfall are March, April, May, June, July, August, September and October (0").
Average snowfall days in September
Rosamond, CA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (0.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Rosamond, CA
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in September: 10h and 54min
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
Rosamond, CA
- Average sunshine days in September: 25.4 days
The month with the most sunshine days is June (27.9 days).
The month with the least sunshine days is February (23.2 days).
Average UV index in September
Rosamond, CA
- Average UV index in September: 6
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
Rosamond, CA
- Average cloud cover in September: 5
The months with the most cloud cover are January, March and December (Cloud cover 20).
The months with the least cloud cover are June, August and September (Cloud cover 5).
Average visibility in September
Rosamond, 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).
