Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
The onset of September brings with it an average high-temperature of a warm 85.8°F (29.9°C), showing a negligible variation from the month before. Nighttime temperatures in Sun City, California, exhibit a substantial dip from daytime highs during September, averaging at a comfortable 61.3°F (16.3°C).Heat index
The heat index value for September is computed to be a tropical 87.8°F (31°C). Continuing activity during long-lasting exposure might induce tiredness and result in heat cramps.Heat index readings emphasize conditions of light breezes and shaded spots. Heat index values can rise by 15 Fahrenheit (8 Celsius) degrees when in direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'real feel', blends air temperature and moisture content to represent the felt temperature to humans. Factors encompassing physical activity, clothing, and metabolic differences have a role in shaping the individual's impression of temperature. Exposure to direct sun rays can influence the heat you feel, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it's vital to remain hydrated, particularly during prolonged physical activities.
Humidity
In September, the average relative humidity is 49%.Rainfall
In Sun City, during September, the rain falls for 3.5 days and regularly aggregates up to 0.2" (5mm) of precipitation. In Sun City, during the entire year, the rain falls for 55.7 days and collects up to 7.05" (179mm) of precipitation.Snowfall
January, March through December are months without snowfall.Daylight
In Sun City, California, the average length of the day in September is 12h and 22min.On the first day of September, sunrise is at 6:23 am and sunset at 7:13 pm. On the last day of the month, sunrise is at 6:43 am and sunset at 6:33 pm PDT.
Sunshine
The average sunshine in September in Sun City is 10.6h.UV index
The average daily maximum UV index in September in Sun City is 6. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: A maximum UV index of 6 in September translates into the following recommendations:
Stick with precautions and abide by sun safety procedures. Evading sunburn is essential. UV radiation from the sun is at its strongest between 10 a.m. and 4 p.m. Try to limit direct exposure during these hours. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Frequently asked questions
How hot is September in Sun City?
What is the average humidity in September in Sun City?
How much does it rain in Sun City in September?
When it does not snow in Sun City?
How many hours of daylight does Sun City have in September?
When are sunrise and sunset in September in Sun City?
How long on average sun shines in September in Sun City?
What is the UV index intensity in September in Sun City?
Average temperature in September
Sun City, CA
- Average high temperature in September: 85.8°F
The warmest month (with the highest average high temperature) is August (89.6°F).
The month with the lowest average high temperature is December (61°F).
- Average low temperature in September: 61.3°F
The month with the highest average low temperature is August (63.3°F).
The coldest month (with the lowest average low temperature) is December (43°F).
Average pressure in September
Sun City, CA
- Average pressure in September: 29.87"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in September
Sun City, CA
- Average wind speed in September: 4.2mph
The windiest month (with the highest average wind speed) is April (5.5mph).
The calmest months (with the lowest average wind speed) are August and September (4.2mph).
Average humidity in September
Sun City, CA
- Average humidity in September: 49%
The month with the highest relative humidity is May (60%).
The month with the lowest relative humidity is August (47%).
Average rainfall in September
Sun City, CA
- Average rainfall in September: 0.2"
The wettest month (with the highest rainfall) is December (1.38").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days in September
Sun City, CA
- Average rainfall days in September: 3.5 days
The month with the highest number of rainy days is March (7.2 days).
The month with the least rainy days is June (1.3 days).
Average snowfall in September
Sun City, CA
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.04").
The months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in September
Sun City, CA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (0.2 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in September /
Average sunshine in September
Sun City, CA
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in September: 10h and 4min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).
Average sunshine days in September
Sun City, CA
- Average sunshine days in September: 23.4 days
The month with the most sunshine days is June (26.9 days).
The month with the least sunshine days is February (21.6 days).
Average UV index in September
Sun City, CA
- Average UV index in September: 6
The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in September
Sun City, CA
- Average cloud cover in September: 8
The months with the most cloud cover are March and December (Cloud cover 24).
The month with the least cloud cover is August (Cloud cover 5).
Average visibility in September
Sun City, 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).
Sun City, California, USA
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