September weather forecastCitrus Heights, CA
September
Weather in September
September, the first month of the autumn in Citrus Heights, is still a tropical month, with temperature in the range of an average high of 88°F (31.1°C) and an average low of 59°F (15°C).Temperature
Citrus Heights measures an average high-temperature of a still tropical 88°F (31.1°C) in September, nearly consistent with the preceding month. Citrus Heights, amid September nights, sees a noteworthy disparity from daily highs with an average temperature of 59°F (15°C).Heat index
During September, the heat index is estimated at a tropical 87.8°F (31°C). Fatigue might occur with continuous exposure and activity, potentially causing heat cramps.Heat index determinations are made taking into account the shade and light air movements. The direct sun can potentially cause the heat index to increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', gives a temperature feeling by integrating air temperature and humidity. The impact of temperature is individual, as people's perception of weather may change based on their body mass, height, and physical activity. In direct sunlight, the heat's impact can be heightened, potentially leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Young individuals usually face greater risks than adults as their sweat production is less. Also, their larger skin surface relative to their small bodies and the high heat generation due to their activity contributes to their vulnerability.
Humidity
In September, the average relative humidity is 42%.Rainfall
In September, the rain falls for 2.2 days. Throughout September, 0.2" (5mm) of precipitation is accumulated. In Citrus Heights, during the entire year, the rain falls for 77.9 days and collects up to 18.78" (477mm) of precipitation.Daylight
The average length of the day in September in Citrus Heights, California, is 12h and 25min.On the first day of September, sunrise is at 6:35 am and sunset at 7:34 pm. On the last day of the month, sunrise is at 7:00 am and sunset at 6:48 pm PDT.
Sunshine
In September, the average sunshine is 11.2h.UV index
In Citrus Heights, California, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the average person.Note: The maximum daily UV index of 5 in September converts into the following recommendations:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Citrus Heights, CA
- Average high temperature in September: 88°F
The warmest month (with the highest average high temperature) is July (94.1°F).
The month with the lowest average high temperature is December (54.1°F).
- Average low temperature in September: 59°F
The month with the highest average low temperature is July (60.6°F).
The coldest month (with the lowest average low temperature) is December (40.5°F).
Average pressure in September
Citrus Heights, CA
- Average pressure in September: 29.92"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in September
Citrus Heights, CA
- Average wind speed in September: 4mph
The windiest month (with the highest average wind speed) is February (5.6mph).
The calmest month (with the lowest average wind speed) is September (4mph).
Average humidity in September
Citrus Heights, CA
- Average humidity in September: 42%
The month with the highest relative humidity is March (74%).
The month with the lowest relative humidity is July (41%).
Average rainfall in September
Citrus Heights, CA
- Average rainfall in September: 0.2"
The wettest month (with the highest rainfall) is March (3.54").
The driest months (with the least rainfall) are July and August (0.04").
Average rainfall days in September
Citrus Heights, CA
- Average rainfall days in September: 2.2 days
The month with the highest number of rainy days is March (13.8 days).
The months with the least rainy days are July and August (1.1 days).
Average daylight in September /
Average sunshine in September
Citrus Heights, CA
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in September: 11h and 12min
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 48min).
Average sunshine days in September
Citrus Heights, CA
- Average sunshine days in September: 27.2 days
The month with the most sunshine days is July (29.6 days).
The month with the least sunshine days is March (16.2 days).
Average UV index in September
Citrus Heights, 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
Citrus Heights, CA
- Average cloud cover in September: 8
The month with the most cloud cover is March (Cloud cover 38).
The month with the least cloud cover is July (Cloud cover 4).
Average visibility in September
Citrus Heights, 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).
