September weather forecastLos Banos, CA
September
Weather in September
The first month of the autumn, September, is still a hot month in Los Banos, California, with an average temperature varying between 60.6°F (15.9°C) and 90.9°F (32.7°C).Temperature
September's arrival signals a moderate reduction in the average high-temperature, easing from a fiery hot 96.4°F (35.8°C) in August to a tropical 90.9°F (32.7°C). Los Banos notes a substantial temperature decline from the daytime peaks throughout September, with an average nighttime temperature of 60.6°F (15.9°C).Heat index
For most parts of September, the heat index is evaluated at a tropical 91.4°F (33°C). Undertake additional precautions, heat cramps and heat exhaustion could happen. Heatstroke could occur from sustained activity.Factoring in the heat index, values are geared towards shaded areas with light breezes. Being exposed to direct sunshine might trigger a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', combines both the air temperature and the humidity level to give a perceived human temperature. This impact is subjective, influenced by the person's physical activity and individual heat perception, affected by factors including wind, attire, and metabolic differences. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Children commonly overlook the importance of rest and fluid replenishment. Thirst, being a delayed sign of dehydration, emphasizes the need to keep hydration up, especially during lengthy physical activities.
Humidity
In Los Banos, the average relative humidity in September is 40%.Rainfall
In Los Banos, in September, during 1.7 rainfall days, 0.08" (2mm) of precipitation is typically accumulated. Throughout the year, there are 57.5 rainfall days, and 7.99" (203mm) of precipitation is accumulated.Daylight
In Los Banos, the average length of the day in September is 12h and 24min.On the first day of September, sunrise is at 6:34 am and sunset at 7:31 pm. On the last day of the month, sunrise is at 6:58 am and sunset at 6:47 pm PDT.
Sunshine
The average sunshine in September in Los Banos is 11.5h.UV index
The average daily maximum UV index in September in Los Banos is 6. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for average individuals.Note: A typical high UV index of 6 in September suggests the following recommendations:
Continue precautions and advocate sun safety advice. Deterrence of sunburn is indispensable. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Los Banos, CA
- Average high temperature in September: 90.9°F
The warmest month (with the highest average high temperature) is July (97.7°F).
The month with the lowest average high temperature is December (56.3°F).
- Average low temperature in September: 60.6°F
The month with the highest average low temperature is July (63.3°F).
The coldest month (with the lowest average low temperature) is December (41.4°F).
Average pressure in September
Los Banos, CA
- Average pressure in September: 29.92"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in September
Los Banos, CA
- Average wind speed in September: 6.1mph
The windiest month (with the highest average wind speed) is June (7.7mph).
The calmest month (with the lowest average wind speed) is January (4.3mph).
Average humidity in September
Los Banos, CA
- Average humidity in September: 40%
The month with the highest relative humidity is January (70%).
The month with the lowest relative humidity is July (37%).
Average rainfall in September
Los Banos, CA
- Average rainfall in September: 0.08"
The wettest month (with the highest rainfall) is December (1.54").
The driest month (with the least rainfall) is August (0.04").
Average rainfall days in September
Los Banos, CA
- Average rainfall days in September: 1.7 days
The month with the highest number of rainy days is March (10.8 days).
The month with the least rainy days is August (0.8 days).
Average daylight in September /
Average sunshine in September
Los Banos, CA
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in September: 11h and 30min
The month with the most sunshine is July (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 18min).
Average sunshine days in September
Los Banos, CA
- Average sunshine days in September: 27.5 days
The month with the most sunshine days is August (29.4 days).
The month with the least sunshine days is March (19.2 days).
Average UV index in September
Los Banos, 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
Los Banos, CA
- Average cloud cover in September: 5
The months with the most cloud cover are March and December (Cloud cover 30).
The months with the least cloud cover are July and August (Cloud cover 4).
Average visibility in September
Los Banos, 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).
