September weather forecastAnderson, CA
September
Weather in September
The first month of the autumn, September, is still a tropical month in Anderson, California, with an average temperature ranging between max 86.5°F (30.3°C) and min 59.2°F (15.1°C).Temperature
In Anderson, the average high-temperature in September gently drops from a hot 93.7°F (34.3°C) in August to a still tropical 86.5°F (30.3°C). A striking difference from the daytime highs is registered during September nights, with an average temperature of 59.2°F (15.1°C).Humidity
In Anderson, the average relative humidity in September is 36%.Rainfall
In Anderson, in September, it is raining for 3.4 days, with typically 0.28" (7mm) of accumulated precipitation. In Anderson, during the entire year, the rain falls for 88.1 days and collects up to 23.62" (600mm) of precipitation.Snowfall
April through October are months without snowfall in Anderson.Daylight
In September, the average length of the day in Anderson is 12h and 26min.On the first day of the month, sunrise is at 6:37 am and sunset at 7:40 pm. On the last day of September, sunrise is at 7:05 am and sunset at 6:52 pm PDT.
Sunshine
In September, the average sunshine is 11.1h.UV index
In Anderson, California, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for average individuals.Note: The UV index of 5 in September translates into these instructions:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Anderson, CA
- Average high temperature in September: 86.5°F
The warmest month (with the highest average high temperature) is July (95.2°F).
The month with the lowest average high temperature is December (51.8°F).
- Average low temperature in September: 59.2°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is December (37.8°F).
Average pressure in September
Anderson, CA
- Average pressure in September: 29.93"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The months with the lowest atmospheric pressure are June, July and August (29.92"Hg).
Average wind speed in September
Anderson, CA
- Average wind speed in September: 4.5mph
The windiest month (with the highest average wind speed) is March (5.4mph).
The calmest month (with the lowest average wind speed) is August (4.1mph).
Average humidity in September
Anderson, CA
- Average humidity in September: 36%
The month with the highest relative humidity is March (73%).
The month with the lowest relative humidity is August (32%).
Average rainfall in September
Anderson, CA
- Average rainfall in September: 0.28"
The wettest month (with the highest rainfall) is March (4.65").
The driest month (with the least rainfall) is July (0.08").
Average rainfall days in September
Anderson, CA
- Average rainfall days in September: 3.4 days
The month with the highest number of rainy days is March (15.1 days).
The month with the least rainy days is August (1.4 days).
Average snowfall in September
Anderson, CA
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.2").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Anderson, 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 April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Anderson, CA
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in September: 11h and 6min
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 36min).
Average sunshine days in September
Anderson, CA
- Average sunshine days in September: 26 days
The month with the most sunshine days is July (28.4 days).
The month with the least sunshine days is March (14.6 days).
Average UV index in September
Anderson, CA
- Average UV index in September: 5
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in September
Anderson, CA
- Average cloud cover in September: 9
The month with the most cloud cover is March (Cloud cover 41).
The months with the least cloud cover are July and August (Cloud cover 5).
Average visibility in September
Anderson, 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).
