Temperature in Baja California in September

Daytime highs, nighttime lows and the warmest cities in Baja California, Mexico this September.

Baja California, Mexico, a region in Mexico, experiences maximum daytime temperatures in September ranging from 23°C (73°F) in Rosarito to 39°C (102°F) in Mexicali. Nighttime temperatures generally drop to 23°C (73°F) in Mexicali and 19°C (66°F) in Rosarito. On average, September is the warmest month of the year in Baja California, Mexico. So be prepared and pack summer clothes.

What is the temperature of the different cities in Baja California, Mexico in September?

Explore the map below to discover average September temperatures at the top destinations in Baja California. For a deeper dive, simply click on any destination dot.

Select a Month

Check the conditions for any month of the year.

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For a detailed overview over the year and the best time to visit Baja California, check out our Baja California's climate page.

See also: Baja California weather by month.

Best Places to Visit in Baja California in September

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Baja California.

Conditions Temperatures Precipitation
Avg daytime high -5°C (23°F) cold → 32°C (90°F) hot

Marker color shows the average daytime high temperature in September: blue is cold, red is hot.

See all September weather averages, cities and regions in Baja California

Baja California temperatures in September: frequently asked questions

How hot does it get in Baja California, Mexico in September?

Tijuana averages a daytime high of 27°C (81°F) in September, which is high for Baja California, Mexico.

How cold does it get at night in Baja California, Mexico in September?

Nighttime temperatures in Tijuana typically drop to around 17°C (63°F) in September.

What is the warmest city in September in Baja California, Mexico?

Based on our systematic data collection, Mexicali has been identified as the city with the highest average temperatures. The daytime temperature usually hovers around 39°C (102°F), while at night it goes down to an approximate temperature of 23°C (73°F).

What is the coldest city in September in Baja California, Mexico?

The coldest city in September in Baja California, Mexico is Rosarito when we check our database. The maximum daytime temperatures are around 23°C (73°F) and minimum nighttime temperatures fall around 19°C (66°F).

How much sun does Baja California, Mexico get in September?

Tijuana enjoys approximately 272 hours of sunshine, offering a mostly sunny climate that adds a pleasant and vibrant feel to the month.

Interested in more climate information?

We have much more information about the climate in Baja California.

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.

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