September weather forecastBradley, CA
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Bradley, California, with an average temperature varying between 84.2°F (29°C) and 60.1°F (15.6°C).Temperature
The shift into September reveals an average high-temperature of a warm 84.2°F (29°C), closely mirroring August's climate. Bradley's average nighttime temperature descends significantly from the day's peak in September, settling at a refreshing 60.1°F (15.6°C).Heat index
In September, the average heat index is evaluated at 84.2°F (29°C). If one remains active during constant exposure, it might cause exhaustion and heat cramps.The standards for the heat index are set for locations in shade and under light breezes. The heat index has the possibility to be enhanced by 15 Fahrenheit (8 Celsius) degrees when there is direct sun exposure.
Note: The heat index, also known as 'real feel' or 'apparent temperature', comes about by integrating the temperature readings with the humidity levels. The influence of weather can be personal, changing with an individual's body mass, height, and level of physical exertion. Direct exposure to the sun's rays can enhance the felt temperature, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Young children typically face greater hazards than adults because they do not sweat as much. Their larger skin surface in comparison to their little bodies and the high heat production from their active nature compounds their vulnerability.
Humidity
September is the least humid month in Bradley, with an average relative humidity of 47%.Rainfall
In Bradley, during September, the rain falls for 1.5 days and regularly aggregates up to 0.08" (2mm) of precipitation. Throughout the year, in Bradley, California, there are 55.2 rainfall days, and 9.06" (230mm) of precipitation is accumulated.Daylight
In September, the average length of the day is 12h and 23min.On the first day of September, sunrise is at 6:35 am and sunset at 7:30 pm. On the last day of the month, sunrise is at 6:58 am and sunset at 6:47 pm PDT.
Sunshine
In September, the average sunshine in Bradley is 11.4h.UV index
The months with the highest UV index in Bradley are June through September, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 6 during September translates into the following directions:
Ward off overexposure. Defence against solar harm is crucial. Minimize exposure to direct sunlight and seek shade from 10 a.m. to 4 p.m., when UV radiation is most intense, but remember that shade structures may not offer complete protection. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Bradley, CA
- Average high temperature in September: 84.2°F
The warmest month (with the highest average high temperature) is July (87.1°F).
The month with the lowest average high temperature is December (58.1°F).
- Average low temperature in September: 60.1°F
The month with the highest average low temperature is August (60.8°F).
The coldest months (with the lowest average low temperature) are February and December (42.8°F).
Average pressure in September
Bradley, CA
- Average pressure in September: 29.91"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The months with the lowest atmospheric pressure are June and September (29.91"Hg).
Average wind speed in September
Bradley, CA
- Average wind speed in September: 4.5mph
The windiest month (with the highest average wind speed) is May (6.1mph).
The calmest month (with the lowest average wind speed) is September (4.5mph).
Average humidity in September
Bradley, CA
- Average humidity in September: 47%
The month with the highest relative humidity is February (68%).
The month with the lowest relative humidity is September (47%).
Average rainfall in September
Bradley, CA
- Average rainfall in September: 0.08"
The wettest month (with the highest rainfall) is January (1.77").
The driest month (with the least rainfall) is August (0.04").
Average rainfall days in September
Bradley, CA
- Average rainfall days in September: 1.5 days
The month with the highest number of rainy days is March (10.5 days).
The month with the least rainy days is August (0.8 days).
Average daylight in September /
Average sunshine in September
Bradley, CA
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in September: 11h and 24min
The months with the most sunshine are June and July (Average sunshine: 12h and 6min).
The months with the least sunshine are February and December (Average sunshine: 6h and 24min).
Average sunshine days in September
Bradley, CA
- Average sunshine days in September: 27.8 days
The month with the most sunshine days is August (29 days).
The month with the least sunshine days is February (19.8 days).
Average UV index in September
Bradley, 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 February, November and December (UV index 3).
Average cloud cover in September
Bradley, CA
- Average cloud cover in September: 5
The month with the most cloud cover is March (Cloud cover 29).
The months with the least cloud cover are July, August and September (Cloud cover 5).
Average visibility in September
Bradley, 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).
