12/3/2023 0 Comments San antonio weather september![]() ![]() Habitually rain, sometimes thunderstorm, uncommonly fog When you travel to San Antonio in September you can expect: September in San Antonio is influenced by Humid Subtropical climate. Brief description of weather conditions in San Antonio in September 2023 A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.Is it raining a lot in San Antonio in September?Īt that time of year you can expect 91 mm of atmospheric precipitation during the whole month in San Antonio. On bright days sunglasses that block both UVA and UVB rays should be worn. To the extent possible, limit exposure to the direct sun during these hours. ![]() The Sun's UV radiation is most powerful between 10 a.m. Note: In September, the average maximum UV index of 6 translate into the following recommendations: A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for ordinary individuals. UV indexIn San Antonio Heights, the average daily maximum UV index in September is 6. SunshineIn San Antonio Heights, California, the average sunshine in September is 10.7h. On the last day of September, sunrise is at 6:44 am and sunset at 6:36 pm PDT. On the first day of the month, sunrise is at 6:24 am and sunset at 7:17 pm. DaylightIn San Antonio Heights, the average length of the day in September is 12h and 22min. SnowfallIn San Antonio Heights, snow does not fall in January, March through December. In San Antonio Heights, during the entire year, the rain falls for 49.6 days and collects up to 7.8" (198mm) of precipitation. Rainfall In San Antonio Heights, California, in September, it is raining for 2.5 days, with typically 0.12" (3mm) of accumulated precipitation. ![]() HumidityIn San Antonio Heights, California, the average relative humidity in September is 44%. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity. Young children are generally more endangered than adults, as they usually less sweat. Heat index values are especially crucial for babies and toddlers. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. This effect is individual, with diverse people perceiving weather differently for numerous reasons (metabolic differences, clothing, pregnancy), and activity. Note: The heat index, also known as 'apparent temperature', 'real feel', 'felt air temperature', or 'feels like', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees. Take into consideration that the heat index values are calculated for shade and light wind conditions. Prolonged exercise may result in heat cramps. Constant exposure and activity lead to possible fatigue. Heat indexIn September, the average heat index is appraised at a hot 89.6☏ (32☌). In September, in San Antonio Heights, the average low-temperature is 63.5☏ (17.5☌). TemperatureIn September, the average high-temperature is relatively the same as in August - a still tropical 88.2☏ (31.2☌). The first month of the autumn, September, is still a hot month in San Antonio Heights, California, with temperature in the range of an average high of 88.2☏ (31.2☌) and an average low of 63.5☏ (17.5☌). ![]()
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