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Rancho Bernardo weather in September (California, United States of America)

What should you pack for a trip to Rancho Bernardo in September? Wondering about the weather this month? Our guide has all the details you need.

Temperatures

During September, Rancho Bernardo is known for its perfect weather, characterized by very high temperatures and almost no rainfall. September is known for being in the summer season. The temperature during the day can rise to approximately 31°C. At night, it falls to around 16°C. Keep in mind that temperatures can exceed these averages. Dress for the heat and stay hydrated, especially during peak sun hours.

Precipitation

Rancho Bernardo in September usually receives almost no rainfall, averaging around 3.8 mm for the month. Records from the past 30 years suggest that around a single day will experience rain.

Average sunshine

The city usually sees around 253 hours of sunlight, indicating many sunny days.

If you favor pleasant temperatures and minimal rainfall, September is one of the better months to visit Rancho Bernardo. January, February, March, April, May, June, July, August, September, October and November typically offer the most agreeable circumstances. On the other hand, December tends to be characterized by conditions that may not be as optimal.

Need inspiration to choose your next destination? Our innovative weather planner helps you discover the perfect getaway tailored to your ideal climate conditions.

 

Rancho Bernardo, monthly averages in September

Min TemperatureMin Temperature 16°C  
Max TemperatureMax Temperature 31°C  
Chance of RainChance of Rain 3%  
PrecipitationPrecipitation 3.8 mm  
Rainy daysRainy days a single day  
HumidityHumidity 74% *  
SunshineSunshine 253 hours *  
Percentage SunshinePercentage Sunshine 68% *  
Data from: San Diego, the United States of America (35 KM, 21 Miles).

Where to go in the United States of America in September

Find out more about the weather in the United States of America and which places have the best travel conditions in this month.

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Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

So, what should you wear in this month?

It's going to be warm! Consider airy clothing, t-shirts, and other summer clothes. Shorts for men made of cotton or linen are good options for staying cool.

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming
10/10
Cycling
8/10
Walking
8/10
Barbeque
10/10
Camping
10/10
Outdoor sports
8/10

Interested in more climate information?

This site provides you with all the information you need about the climate in Rancho Bernardo.

Our site offers climate and forecast data for every country in the world. Are you going to the United States of America? On this website you can find historical weather averages for many cities in the United States of America. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.