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Weather in September in Baja California

Are you planning a trip a to Baja California in September and wondering what kind of weather to expect? This page has all the details you need.

What is the weather like in Baja California in September?

Baja California is a region in Mexico. Baja California offers a broad spectrum of weather patterns. In September, one might encounter temperatures that range from warm to very hot, and precipitation levels ranging from almost none to low.

Temperatures

During the day temperatures vary from warm in Rosarito at 23°C to very hot in Mexicali at 39°C. At night it cools down to 23°C in Mexicali and 19°C in Rosarito. On average, September is the warmest month of the year in Baja California. So be prepared and pack summer clothes.

Precipitation

In September, precipitation varies across different areas. From almost no rainfall in Mexicali with an average of 3.6 mm to low rainfall in San Felipe with 14 mm.

Average sunshine

The days are mostly sunny, with an average total of around 272 hours of sunshine in Tijuana. The sunlight during this month doesn't just make the days brighter, it also seems to make everyone a bit more cheerful.

For a closer look at September's conditions in Baja California, see the map below. For a more detailed look at Baja California's yearly weather, check out our Baja California climate page.

Where to go in Baja California in September

Find more information for the most popular destinations in the Baja California on the map below. Click on a destination dot for more detailes.

Map not visible? Whoops sorry! Please refresh the page.
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).

Popular destinations

What is the weather like in September for the 5 most popular destinations in Baja California?

Tijuana

In September Tijuana generally has high temperatures with maximum daytime temperatures around 27°C, minimum nighttime temperatures around 17°C and almost no monthly rainfall. So on average the conditions are perfect that month.

Tijuana
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   August August
<<  
27°C 
18°C 
281 hours 
0.6 mm 
a single day 
27°C 
17°C 
272 hours 
4.3 mm 
a single day 
October   >> October
>>  
25°C 
14°C 
249 hours 
12 mm 
4 days 
Climate in Tijuana

Ensenada

In September Ensenada generally has high temperatures with maximum daytime temperatures around 26°C, minimum nighttime temperatures around 18°C and low monthly rainfall. So on average the conditions are perfect that month.

Ensenada
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   August August
<<  
27°C 
19°C 
2.7 mm 
a single day 
26°C 
18°C 
5.4 mm 
a single day 
October   >> October
>>  
24°C 
15°C 
15 mm 
a single day 
Climate in Ensenada

Mexicali

In September Mexicali generally has extremely high temperatures with maximum daytime temperatures around 39°C, minimum nighttime temperatures around 23°C and almost no monthly rainfall. So on average the conditions are unpleasant that month.

Mexicali
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   August August
<<  
42°C 
27°C 
4.3 mm 
2 days 
39°C 
23°C 
3.6 mm 
a single day 
October   >> October
>>  
33°C 
17°C 
3.3 mm 
a single day 
Climate in Mexicali

Valle de Guadalupe

In September Valle de Guadalupe generally has high temperatures with maximum daytime temperatures around 28°C, minimum nighttime temperatures around 18°C and low monthly rainfall. So on average the conditions are perfect that month.

Valle de Guadalupe
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   August August
<<  
29°C 
20°C 
3.7 mm 
a single day 
28°C 
18°C 
6.4 mm 
a single day 
October   >> October
>>  
25°C 
14°C 
17 mm 
a single day 
Climate in Valle de Guadalupe

Rosarito

In September Rosarito generally has high temperatures with maximum daytime temperatures around 23°C, minimum nighttime temperatures around 19°C and low monthly rainfall. So on average the conditions are perfect that month.

Rosarito
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   August August
<<  
23°C 
19°C 
281 hours 
3 mm 
a single day 
23°C 
19°C 
272 hours 
6.2 mm 
a single day 
October   >> October
>>  
22°C 
17°C 
249 hours 
17 mm 
a single day 
Climate in Rosarito

Is your destination not in the list? Have a look at other destinations in Baja California, in Mexico.

Is September the best time to visit Baja California?

We believe that September is one of the best times to visit Baja California with overall perfect weather in Tijuana.

On average, the best time to visit Baja California is in January, February, March, April, May, June, July, August, September, October and November with generally perfect weather in Tijuana.

Interested in more climate information?

We have much more information about the climate in Baja California. Interested in the weather conditions in a specific month? Select the month below.

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  • Weather and climate has detailed information for every country in the world. Are you going to Mexico? Get detailed historical weather averages for many cities in Mexico.

    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.