Monthly climate guide
Tijuana weather in September
September in Tijuana is typically hot, with average daytime highs around 30°C (85°F) and night-time lows near 18°C (64°F). The month usually brings about 8 mm of rain (very dry) and is a mix of sun and cloud. Daytime highs are about the same as August and 3°C warmer than October.
What stands out in September
- September is Tijuana's second warmest month.
- It's one of the drier months, with about 67% less rain than Tijuana's average.
- Tijuana is usually about 2°C warmer than Ensenada, 80 km away, in September.
- September brings early autumn to Tijuana.
Avg high
30°C
85°F
Avg low
18°C
64°F
Rainfall
8 mm
very dry
Humidity
58%
relative
Sky
54%
cloud · a mix of sun and cloud
Tijuana weather by month
Show the monthly averages as a table
| Month | Avg high | Avg low | Rain | Humidity | Cloud cover |
|---|---|---|---|---|---|
| January | 18°C / 65°F | 9°C / 48°F | 44 mm | 63% | 51% |
| February | 19°C / 65°F | 9°C / 48°F | 49 mm | 65% | 53% |
| March | 20°C / 68°F | 10°C / 50°F | 37 mm | 69% | 60% |
| April | 22°C / 71°F | 11°C / 52°F | 17 mm | 67% | 60% |
| May | 23°C / 73°F | 12°C / 54°F | 12 mm | 69% | 71% |
| June | 26°C / 79°F | 14°C / 56°F | 27 mm | 63% | 80% |
| July | 29°C / 85°F | 17°C / 62°F | 6 mm | 58% | 74% |
| August | 31°C / 87°F | 18°C / 64°F | 5 mm | 56% | 68% |
| September | 30°C / 85°F | 18°C / 64°F | 8 mm | 58% | 54% |
| October | 26°C / 80°F | 16°C / 60°F | 7 mm | 58% | 49% |
| November | 22°C / 71°F | 12°C / 54°F | 31 mm | 59% | 48% |
| December | 18°C / 64°F | 9°C / 48°F | 52 mm | 63% | 49% |
What to pack for September
- Light, breathable clothing (cotton or linen)
- A sun hat and high-SPF sunscreen
- A refillable water bottle
- An extra layer — evenings are noticeably cooler than afternoons
Is September a good time to visit Tijuana?
Compare the months in the chart above to find your ideal window.
Best time to visit Tijuana →Other Mexico cities in September
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Tijuana weather in September. WeatherCompare, 2026 (NASA POWER / ERA5, 2011–2020 monthly averages). https://weathercompare.eu/weather/mexico/tijuana/september
<a href="https://weathercompare.eu/weather/mexico/tijuana/september">Tijuana weather in September</a> (WeatherCompare)
<iframe src="https://weathercompare.eu/embed/mexico/tijuana" width="300" height="160" style="border:0;border-radius:12px" loading="lazy" title="Tijuana weather in September"></iframe> <p style="font-size:12px"><a href="https://weathercompare.eu/weather/mexico/tijuana/september">Tijuana weather in September</a> – WeatherCompare</p>
Tijuana in September: quick answers
Is September a good time to visit Tijuana?
September is a reasonable time for Tijuana: highs around 30°C and about 8 mm of rain, though not one of the three best months.
How warm is Tijuana in September?
Average highs are about 30°C (85°F) and average lows about 18°C (64°F), based on 10 years of daily data.
Does it rain a lot in Tijuana in September?
Tijuana typically gets around 8 mm of rain in September — very dry.
Figures are long-term averages for the area around Tijuana (NASA POWER / ERA5, 2011–2020), not a forecast for a specific year. For upcoming days, see the live multi-source forecast.