September weather forecastRainbow Canyon Village, CA
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Rainbow Canyon Village, California, with an average temperature varying between 85.1°F (29.5°C) and 60.4°F (15.8°C).Temperature
The arrival of September marks a slight shift to an average high-temperature of a moderately hot 85.1°F (29.5°C) from August's 87.4°F (30.8°C). Rainbow Canyon Village reports a substantial plunge from daytime highs during the nights of September, with an average low-temperature of 60.4°F (15.8°C).Heat index
In September, the average heat index is computed to be a hot 87.8°F (31°C). Persistently participating in activities during exposure may lead to fatigue and induce heat cramps.It is emphasized that the heat index's values are meant for shaded zones with mild winds. Being under direct sunlight might amplify the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', is a value derived by merging air temperature with the humidity to convey how the climate feels. The influence of weather is personal, with varied individuals experiencing it differently due to differences in body mass, stature, and physical exertion levels. Remember, direct sunlight exposure can heighten the heat impact and might increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. In general, children are more at risk than adults because they sweat less. Furthermore, the large skin surface compared to their small bodies and the high heat production due to their actions contribute to this vulnerability.
Humidity
The average relative humidity in September in Rainbow Canyon Village is 54%.Rainfall
In Rainbow Canyon Village, in September, during 4.1 rainfall days, 0.28" (7mm) of precipitation is typically accumulated. In Rainbow Canyon Village, during the entire year, the rain falls for 60.6 days and collects up to 9.37" (238mm) of precipitation.Daylight
The average length of the day in September is 12h and 22min.On the first day of the month, sunrise is at 6:23 am and sunset at 7:13 pm. On the last day of September, sunrise is at 6:42 am and sunset at 6:33 pm PDT.
Sunshine
In Rainbow Canyon Village, the average sunshine in September is 10.5h.UV index
In September, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for average individuals.Note: The UV index of 5 during September leads to these advisories:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Rainbow Canyon Village, CA
- Average high temperature in September: 85.1°F
The warmest month (with the highest average high temperature) is August (87.4°F).
The month with the lowest average high temperature is December (61.7°F).
- Average low temperature in September: 60.4°F
The month with the highest average low temperature is August (62.2°F).
The coldest month (with the lowest average low temperature) is February (43.3°F).
Average pressure in September
Rainbow Canyon Village, CA
- Average pressure in September: 29.87"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed in September
Rainbow Canyon Village, CA
- Average wind speed in September: 4.3mph
The windiest month (with the highest average wind speed) is April (5.5mph).
The calmest month (with the lowest average wind speed) is September (4.3mph).
Average humidity in September
Rainbow Canyon Village, CA
- Average humidity in September: 54%
The month with the highest relative humidity is May (65%).
The month with the lowest relative humidity is November (52%).
Average rainfall in September
Rainbow Canyon Village, CA
- Average rainfall in September: 0.28"
The wettest month (with the highest rainfall) is December (1.81").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days in September
Rainbow Canyon Village, CA
- Average rainfall days in September: 4.1 days
The month with the highest number of rainy days is March (8.2 days).
The month with the least rainy days is June (1.4 days).
Average daylight in September /
Average sunshine in September
Rainbow Canyon Village, CA
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in September: 10h and 30min
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 30min).
Average sunshine days in September
Rainbow Canyon Village, CA
- Average sunshine days in September: 24 days
The month with the most sunshine days is June (26.5 days).
The month with the least sunshine days is February (20.8 days).
Average UV index in September
Rainbow Canyon Village, CA
- Average UV index in September: 5
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in September
Rainbow Canyon Village, CA
- Average cloud cover in September: 10
The month with the most cloud cover is March (Cloud cover 27).
The month with the least cloud cover is August (Cloud cover 7).
Average visibility in September
Rainbow Canyon Village, 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).





