September weather forecastTijuana, Mexico
September
Weather in September
September signifies the onset of a slow transition from summer to autumn in Tijuana. Affected by the regular seasonal cycle, temperatures start to drop, though the sea remains warm at 20°C (68°F). Rainfall slightly increases up to 8mm (0.31"), signifying the month's movement toward autumn. Furthermore, the cloud coverage expands slightly, yet the sunshine maintains dominance over the city's sky. Linings of autumn are subtly engraved in the city's weather, yet the comforting summer aurora continues to prevail.Temperature
Tijuana, Mexico, signifies an average high-temperature of a still moderately hot 26.7°C (80.1°F) in September, closely mirroring the 27.3°C (81.1°F) of August. Tijuana records an average low of 18.6°C (65.5°F) throughout the nights in September.Humidity
In September, the average relative humidity in Tijuana, Mexico, is 62%.Rainfall
In Tijuana, Mexico, in September, during 4.1 rainfall days, 8mm (0.31") of precipitation is typically accumulated. In Tijuana, during the entire year, the rain falls for 57.3 days and collects up to 215mm (8.46") of precipitation.Sea temperature
The months with the warmest seawater are August and September, with an average sea temperature of 20°C (68°F).Note: For most, swimming in 20°C (68°F) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 21°C (69.8°F) to 15°C (59°F).
Daylight
The average length of the day in September in Tijuana is 12h and 21min.On the first day of September, sunrise is at 6:23 am and sunset at 7:12 pm. On the last day of the month, sunrise is at 6:42 am and sunset at 6:33 pm PDT.
Sunshine
In Tijuana, Mexico, the average sunshine in September is 10.3h.UV index
The months with the highest UV index are June through September, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for average individuals.Note: A maximum daily UV index of 6 during September morphs into the following directions:
Adopt measures and apply sun safety strategies. Shielding from skin and eye damage is necessary. Seek shade and limit direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Keep in mind that shade structures like parasols or canopies do not offer complete sun protection. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Tijuana, Mexico
- Average high temperature in September: 26.7°C
The warmest month (with the highest average high temperature) is August (27.3°C).
The month with the lowest average high temperature is December (17.7°C).
- Average low temperature in September: 18.6°C
The month with the highest average low temperature is August (19.4°C).
The coldest months (with the lowest average low temperature) are February and December (10.2°C).
Average pressure in September
Tijuana, Mexico
- Average pressure in September: 1011.7mbar
The month with the highest atmospheric pressure is January (1018.7mbar).
The months with the lowest atmospheric pressure are June and September (1011.7mbar).
Average wind speed in September
Tijuana, Mexico
- Average wind speed in September: 8.2km/h
The windiest month (with the highest average wind speed) is April (9.7km/h).
The calmest month (with the lowest average wind speed) is October (7.4km/h).
Average humidity in September
Tijuana, Mexico
- Average humidity in September: 62%
The month with the highest relative humidity is May (68%).
The month with the lowest relative humidity is November (55%).
Average rainfall in September
Tijuana, Mexico
- Average rainfall in September: 8mm
The wettest month (with the highest rainfall) is February (44mm).
The driest month (with the least rainfall) is June (2mm).
Average rainfall days in September
Tijuana, Mexico
- Average rainfall days in September: 4.1 days
The month with the highest number of rainy days is March (7.8 days).
The month with the least rainy days is June (1.7 days).
Average sea temperature in September
Tijuana, Mexico
- Average sea temperature in September: 20°C
The best months for swimming (with the highest average sea temperature) are August and September (20°C).
The 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: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 6min).
- Average sunshine in September: 10h and 18min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 36min).
Average sunshine days in September
Tijuana, Mexico
- Average sunshine days in September: 24.8 days
The month with the most sunshine days is June (28.1 days).
The month with the least sunshine days is February (21 days).
Average UV index in September
Tijuana, Mexico
- Average UV index in September: 6
The months with the highest UV index are June, July, August and September (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 4).
Average cloud cover in September
Tijuana, Mexico
- Average cloud cover in September: 12
The months with the most cloud cover are March and December (Cloud cover 25).
The month with the least cloud cover is August (Cloud cover 9).
Average visibility in September
Tijuana, Mexico
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
