September weather forecast and climate
Tijuana, Mexico

Distant night cityscape of Tijuana in Mexico, with a dark sky
Distant night cityscape of Tijuana in Mexico, with a dark sky

Temperature

In September, the average high-temperature is 27.8°C (82°F), and the average low-temperature is 16.1°C (61°F).

Humidity

In Tijuana, the average relative humidity is 79%.

Rainfall

In September, the rain falls for 0.7 days. Throughout September, 5mm (0.2") of precipitation is accumulated. Throughout the year, there are 32.7 rainfall days, and 230.9mm (9.1") of precipitation is accumulated.

Sea temperature

August and September, with an average sea temperature of 20°C (68°F), are months with the warmest seawater. Swimming in 20°C (68°F) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 21°C (69.8°F).

Daylight

In Tijuana, the average length of the day in September is 12.4h.

Sunshine

In September, the average sunshine is 9h.

UV index

In Tijuana, the average UV index in September is 8.

What is the temperature in September in Tijuana?

The average high-temperature, in September, is 27.8°C (82°F), while the average low-temperature is 16.1°C (61°F).

What is the average humidity in September in Tijuana?

The average relative humidity in September in Tijuana, Mexico, is 79%.

How many days does it rain in September in Tijuana?

In Tijuana, Mexico, during September, the rain falls for 0.7 days and regularly aggregates up to 5mm (0.2") of precipitation.

What are the months with the warmest sea water in Tijuana?

August and September, with an average sea temperature of 20°C (68°F), are months with the warmest seawater in Tijuana. For swimming, a surface water temperature of 20°C (68°F) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 21°C (69.8°F).

How cold is the water in September in Tijuana?

In September, the average sea temperature in Tijuana, Mexico, is 20°C (68°F). Swimming in 20°C (68°F) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 21°C (69.8°F).

What is the average length of the day in September in Tijuana?

The average length of the day in September in Tijuana, Mexico, is 12.4h.

How long on average sun shines in September in Tijuana?

The average sunshine in September is 9h.

What is the UV index reading in September in Tijuana?

The average UV index in September is 8.
Average temperature in September - Tijuana, Mexico
  • Average high temperature in September: 27.8°C

The warmest month (with the highest average high temperature) is August (28.1°C).
The month with the lowest average high temperature is January (20.3°C).

  • Average low temperature in September: 16.1°C

The month with the highest average low temperature is August (17.5°C).
Coldest months (with the lowest average low temperature) are January and December (6.9°C).

Average humidity in September - Tijuana, Mexico
  • Average humidity in September: 79%

Months with the highest relative humidity are July and August (80%).
Months with the lowest relative humidity are November and December (69%).

Average rainfall in September - Tijuana, Mexico
  • Average rainfall in September: 5mm

The wettest month (with the highest rainfall) is January (43.8mm).
Driest months (with the lowest rainfall) are June and July (0.7mm).

Average rainfall days in September - Tijuana, Mexico
  • Average rainfall days in September: 0.7 days

Months with the highest number of rainy days are January and March (5.9 days).
The month with the lowest number of rainy days is August (0.2 days).

Average sea temperature in September - Tijuana, Mexico
  • Average sea temperature in September: 20°C

Best months for swimming (with the highest average sea temperature) are August and September (20°C).
Coldest months (with the lowest average sea temperature) are January, February, March and April (15°C).

Average daylight in September / Average sunshine in September - Tijuana, Mexico
  • Average daylight in September: 12.4h

The month with the longest days is June (Average daylight: 14.3h).
The month with shortest days is December (Average daylight: 10h).

  • Average sunshine in September: 9h

The month with most sunshine is July (Average sunshine: 10h).
The month with least sunshine is January (Average sunshine: 7h).

Average UV index in September - Tijuana, Mexico
  • Average UV index in September: 8

Months with the highest UV index are June, July and August (UV index 10).
Months with the lowest UV index are January and December (UV index 3).

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