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
With the arrival of September, Ricardo experiences a modest decline in average high-temperatures, transitioning from a tropical 94.8°F (34.9°C) in August to a still hot 88.3°F (31.3°C). Ricardo marks a considerable descent from the daytime apex, as the average temperature dips to an enjoyable 65.1°F (18.4°C) at night throughout September.Humidity
The average relative humidity in September is 25%.Rainfall
In September, the rain falls for 1 days. Throughout September, 0.04" (1mm) of precipitation is accumulated. In Ricardo, California, during the entire year, the rain falls for 31.5 days and collects up to 3.39" (86mm) of precipitation.Snowfall
In Ricardo, snow does not fall in March through October.Daylight
The average length of the day in September is 12h and 23min.On the first day of September, sunrise is at 6:24 am and sunset at 7:18 pm. On the last day of the month, sunrise is at 6:46 am and sunset at 6:36 pm PDT.
Sunshine
In Ricardo, the average sunshine in September is 10.9h.UV index
In September, the average daily maximum UV index is 6. A UV Index estimate of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: A maximum daily UV index of 6 during September morphs into the following directions:
Embrace precautions and observe sun safety norms. Evasion of sunburn is a necessity. Stay out of direct sunlight and seek shade between 10 a.m. and 4 p.m., when UV radiation is strongest, but remember that shade devices may not offer full sun protection. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is it hot during September?
What is the average humidity in September?
How many days does it rain in September?
When it does not snow?
What is the average length of the day in September?
When are sunrise and sunset in September?
How long on average sun shines in September?
How high is the UV index in September?
Average temperature in September
Ricardo, CA
- Average high temperature in September: 88.3°F
The warmest month (with the highest average high temperature) is July (95.7°F).
The month with the lowest average high temperature is December (54.3°F).
- Average low temperature in September: 65.1°F
The month with the highest average low temperature is August (70.3°F).
The coldest month (with the lowest average low temperature) is December (38.3°F).
Average pressure in September
Ricardo, CA
- Average pressure in September: 29.88"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in September
Ricardo, CA
- Average wind speed in September: 8.7mph
The windiest month (with the highest average wind speed) is May (11.5mph).
The calmest month (with the lowest average wind speed) is January (6.4mph).
Average humidity in September
Ricardo, CA
- Average humidity in September: 25%
The months with the highest relative humidity are January and December (49%).
The month with the lowest relative humidity is August (22%).
Average rainfall in September
Ricardo, CA
- Average rainfall in September: 0.04"
The wettest month (with the highest rainfall) is December (0.87").
The driest month (with the least rainfall) is June (0").
Average rainfall days in September
Ricardo, CA
- Average rainfall days in September: 1 days
The month with the highest number of rainy days is March (5.3 days).
The month with the least rainy days is June (0.4 days).
Average snowfall in September
Ricardo, CA
- Average snowfall in September: 0"
The month with the highest snowfall is November (1.06").
The months with the least snowfall are March, April, May, June, July, August, September and October (0").
Average snowfall days in September
Ricardo, CA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (0.4 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Ricardo, CA
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in September: 10h and 5min
The months with the most sunshine are June and July (Average sunshine: 12h and 12min).
The month with the least sunshine is January (Average sunshine: 7h and 0min).
Average sunshine days in September
Ricardo, CA
- Average sunshine days in September: 28.5 days
The months with the most sunshine days are May, June and August (29.3 days).
The month with the least sunshine days is February (22.5 days).
Average UV index in September
Ricardo, CA
- Average UV index in September: 6
The month with the highest UV index is July (UV index 8).
The months with the lowest UV index are January, November and December (UV index 3).
Average cloud cover in September
Ricardo, CA
- Average cloud cover in September: 4
The months with the most cloud cover are January and March (Cloud cover 19).
The months with the least cloud cover are August and September (Cloud cover 4).
Average visibility in September
Ricardo, 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).
Ricardo, California, USA
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