ClimateForecastSeptemberOctober >>

El Cajon weather in September (California, United States of America)

Thinking of visiting El Cajon in September? Check the weather first! See what weather conditions to anticipate this month with our guide.

Temperatures

Experience perfect weather in El Cajon during September, featuring very high temperatures and almost no rainfall. During September, the summer season is in full swing. In the daytime, temperatures tend to hover near 31°C, cooling down at night to around 17°C. Keep in mind, these temperatures are averages, and some days might be even warmer. Dress suitably to manage the heat.

Precipitation

El Cajon in September usually receives almost no rainfall, averaging around 4.1 mm for the month. Typically, you can expect about 1 day of rain this month.

Average sunshine

There are approximately 253 hours of sunshine this month, meaning plenty of sunny days and a vibrant atmosphere.

In case you lean more towards enjoying temperate temperatures and rain-free days typically offer the most optimal weather. In contrast, tend to have less optimal conditions.

For an in-depth look at the yearly conditions, visit our specialized El Cajon climate page with graphs.

 

El Cajon, monthly averages in September

Min TemperatureMin Temperature 17°C  
Max TemperatureMax Temperature 31°C  
Chance of RainChance of Rain 3%  
PrecipitationPrecipitation 4.1 mm  
Rainy daysRainy days 1 day  
HumidityHumidity 74% *  
SunshineSunshine 253 hours *  
Percentage SunshinePercentage Sunshine 68% *  
* Data from: San Diego, the United States of America (20 KM, 12 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 El Cajon.

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.