September weather forecastWildomar, CA
September
Weather in September
September, the first month of the autumn in Wildomar, is still a warm month, with temperature in the range of an average high of 85.3°F (29.6°C) and an average low of 61.5°F (16.4°C).Temperature
As September takes hold, the average high-temperature is a moderately hot 85.3°F (29.6°C), nearly mirroring that of the previous month. Wildomar records a significant temperature drop in September nights, lowering to an average of 61.5°F (16.4°C).Heat index
In September, the heat index is appraised at a tropical 87.8°F (31°C). Uninterrupted exposure and activity might result in fatigue, potentially causing heat cramps.Note that heat index values are valued for light wind and location in the shade. In the presence of direct sunshine, the heat index could be augmented by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is achieved by amalgamating air temperature with the relative humidity readings. A person's impression of weather can be swayed by numerous aspects, among them metabolic variations, pregnancy, and activity levels. Direct exposure to the sun's rays can enhance the felt temperature, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Younglings frequently fail to recognize the requirement to rest and rehydrate. Thirst emerges late in dehydration - it is imperative to keep hydration levels high, particularly during extended physical exertions.
Humidity
The average relative humidity in September is 51%.Rainfall
In September, the rain falls for 4.1 days. Throughout September, 0.24" (6mm) of precipitation is accumulated. Throughout the year, there are 64.9 rainfall days, and 9.8" (249mm) of precipitation is accumulated.Snowfall
In Wildomar, snow does not fall in January, March through November.Daylight
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 7:14 pm. On the last day of the month, sunrise is at 6:43 am and sunset at 6:34 pm PDT.
Sunshine
In September, the average sunshine is 10.5h.UV index
June through September, with an average maximum UV index of 6, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for average individuals.Note: The maximum daily UV index, 6 in September, converts into the following recommendations:
Use protective steps and abide by sun safety guidelines. Safeguarding against skin and eye harm is necessary. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. 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
Wildomar, CA
- Average high temperature in September: 85.3°F
The warmest month (with the highest average high temperature) is August (88.7°F).
The month with the lowest average high temperature is December (61.2°F).
- Average low temperature in September: 61.5°F
The month with the highest average low temperature is August (63.7°F).
The coldest month (with the lowest average low temperature) is December (43.2°F).
Average pressure in September
Wildomar, 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
Wildomar, CA
- Average wind speed in September: 4.2mph
The windiest month (with the highest average wind speed) is April (5.4mph).
The calmest months (with the lowest average wind speed) are August and September (4.2mph).
Average humidity in September
Wildomar, CA
- Average humidity in September: 51%
The month with the highest relative humidity is May (62%).
The month with the lowest relative humidity is August (49%).
Average rainfall in September
Wildomar, CA
- Average rainfall in September: 0.24"
The wettest month (with the highest rainfall) is February (1.89").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days in September
Wildomar, CA
- Average rainfall days in September: 4.1 days
The month with the highest number of rainy days is March (8.5 days).
The month with the least rainy days is June (1.7 days).
Average snowfall in September
Wildomar, CA
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.2").
The months with the least snowfall are January, March, April, May, June, July, August, September, October and November (0").
Average snowfall days in September
Wildomar, CA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (0.3 days).
The months with the least snowfall days are January, April, May, June, July, August, September, October and November (0 days).
Average daylight in September /
Average sunshine in September
Wildomar, 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 36min).
Average sunshine days in September
Wildomar, CA
- Average sunshine days in September: 22.6 days
The month with the most sunshine days is June (26.3 days).
The month with the least sunshine days is February (20.7 days).
Average UV index in September
Wildomar, CA
- Average UV index in September: 6
The months with the highest UV index are June, July, August and September (UV index 6).
The months with the lowest UV index are November and December (UV index 3).
Average cloud cover in September
Wildomar, CA
- Average cloud cover in September: 8
The month with the most cloud cover is March (Cloud cover 25).
The month with the least cloud cover is August (Cloud cover 6).
Average visibility in September
Wildomar, 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).
