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Tijuana Weather in September
September is one of the excellent months to visit Tijuana, with daytime temperatures of 27°C (81°F) and lows of 17°C (63°F) at night. Rainfall is minimal, averaging just 4.3 mm (0.2 in) for the month.
Rainfall in Tijuana in September
Typically around a single day of rainfall are expected, averaging 4.3 mm (0.2 in) for the month. On the rare occasion it rains, expect a brief, moderate shower rather than a heavy downpour.
Temperature in Tijuana in September
Tijuana in September has excellent weather. Days reach 27°C (81°F) and nights cool to 17°C (63°F). The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. At 17°C (63°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping. On average, it is the warmest month of the year.
Sunshine in Tijuana in September
The days are predominantly sunny, with an estimated total of around 272 hours of sunshine. These sun-filled days are perfect for playing sports, visiting parks, or going for a bike ride.If your ideal day consists of dry skies and pleasant temperatures, January, February, March, April, May, June, July, August, September, October and November typically offer the best circumstances for Tijuana.
Tijuana Temperature in September
Min Temperature
17°C (63°F)
Max Temperature
27°C (81°F)
Chance of Rain
3%
Precipitation
4.3 mm (0.2 in)
Rainy days
a single day
Humidity
79%
Sunshine
272 hours
Percentage Sunshine
73%
Tijuana Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Tijuana - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Tijuana typically stay consistent throughout September, with daily highs averaging around 27°C (81°F). Nights are pleasant, with lows typically ranging from 17°C (63°F) to 19°C (66°F).
Average temperatures in September
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in September
Historical weather records for Tijuana in September
Browse day-by-day weather records for Tijuana spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Tijuana historical weather extremes in September
Based on weather observations in Tijuana between 1976 and 2026, these are the recorded extremes during September.
- The warmest day in September was on September 14, 2012, with a maximum of 40°C (104°F).
- Tijuana experienced its chilliest September day on September 26, 1999, reaching only 18°C (64°F).
- The lowest overnight temperature recorded in September was 9°C (48°F) (September 27, 2013).
Best Places in Mexico in September
Find out more about the weather in Mexico and which places have the best travel conditions in this month. See all of Mexico in September →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Tijuana in September
Warm weather calls for comfortable, breathable clothing in September. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Almost no rain is expected, so no need to bring rain gear. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.
What To Do in Tijuana in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming10/10 -
Cycling8/10 -
Walking8/10 -
Barbeque10/10 -
Camping10/10 -
Outdoor sports8/10
Tijuana 3-Day Forecast
More climate data for Tijuana
Temperature Rainfall Sunshine Humidity
See the full Tijuana climate overview or explore weather in Mexico.
Popular in September
Where to go in September - average daytime high across popular destinations.
Puerto Peñasco
34°C (93°F) Los Cabos
32°C (90°F) Tulum31°C (88°F) Cancún30°C (86°F) Playa del Carmen31°C (88°F) Puerto Vallarta29°C (84°F) San Miguel de Allende
27°C (81°F) Mexico City23°C (73°F) Bucket list
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