Lake Forest weather in September (California, United States of America)

What can you expect from the weather in Lake Forest during September? Wondering if it's the right time to visit? Browse this page for a comprehensive overview of the weather conditions for that month.

In Lake Forest the weather in September is generally perfect, characterized by very high temperatures and almost no rainfall. September falls within the summer season. Throughout the daytime, temperatures often hover around 31°C. However, as the sun sets and evening approaches, there's a noticeable cool-down, with temperatures gently dropping to a more temperate 16°C. Keep in mind, these temperatures are averages, and some days might be even warmer. Dress suitably to manage the heat.

Lake Forest in September usually receives almost no rainfall, averaging around 4.8 mm for the month. Rain is expected on roughly 1 day.

The days are predominantly sunny, with an estimated total of around 290 hours of sunshine. This amount of sunlight does not only brightens the days but also contributes to a cheerful ambiance in the area during this month.

If you're inclined towards comfortable temperatures and drier conditions, September is a prime time to visit Lake Forest. January, February, March, April, May, June, July, August, September, October and November typically offer the best circumstances. While December tends to showcase less optimal conditions.

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

 

Lake Forest, monthly averages in September

Min TemperatureMin Temperature 16°C  
Max TemperatureMax Temperature 31°C  
Chance of RainChance of Rain 3%  
PrecipitationPrecipitation 4.8 mm  
Rainy daysRainy days 1 day  
SunshineSunshine 290 hours *  
Percentage SunshinePercentage Sunshine *  
* Data from: Corona, the United States of America (27 KM, 17 Miles).

Where to go in the United States of America in September

Find out more about the weather in the United States of America in September and which places have the best weather 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 Lake Forest in September?

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 in September.

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

Interested in more climate information?

Weather and Climate provides you with all the information you need about the climate in Lake Forest.

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 climate conditions. Find out where to go with our weather planner.