La Paz Weather in September
Thinking of visiting La Paz in September? Expect very high temperatures reaching 33°C (91°F) during the day, dropping to 26°C (79°F) at night, and be prepared for the wettest month of the year.
Rainfall in La Paz in September
With frequent rain showers this month, having an umbrella on hand will keep you dry. This month experiences about 3 days of rain according to historical data, averaging 80 mm (3.1 in). When rain does fall this month, it tends to come down hard. The low number of rain days makes each shower more significant.
Temperature in La Paz in September
Temperatures in La Paz in September top out at 33°C (91°F) and drop to 26°C (79°F) overnight. The hottest part of the day is usually in the afternoon, so lighter clothing can help you stay comfortable. Nights are warm at 26°C (79°F). It's worth making sure your accommodation has decent ventilation or air conditioning.
Sunshine in La Paz in September
Enjoy a sunny month with about 255 hours of sunshine, the clear skies make La Paz even more beautiful.
Wind Speed in La Paz in September
Wind speeds average 1 m/s (2 knots) during September. At this speed, you'll experience mostly light air movement that's just barely noticeable. As an average, some days will be completely calm while others have gentle breezes you can feel on your skin.
Average water temperature in September
The water is 30°C (86°F) — very warm by most standards. Comfortable to swim in, but not particularly refreshing if you're looking to cool off.For La Paz itself, January, February, March, April, November and December generally stand out with the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Mexico, check out our La Paz's climate page.
La Paz Temperature in September
Min Temperature
26°C (79°F)
Max Temperature
33°C (91°F)
Water Temperature
30°C (86°F)
Chance of Rain
10%
Precipitation
80 mm (3.1 in)
Rainy days
3 days
Humidity
63%
Windspeed
1 m/s (2 knots)
Sunshine
255 hours
Percentage Sunshine
Daily Historical Temperatures
49-year average (1976-2025)
Based on our historical records, temperatures in La Paz typically stay consistent throughout September, with daily highs averaging around 33°C (91°F). Nights are warm, with lows around 25°C (77°F).
Average temperatures in September
Historical weather for La Paz in September
Browse day-by-day weather records for La Paz spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
La Paz historical weather extremes in September
Based on 39 years of weather observations in La Paz between 1986 and 2025, these are the recorded extremes.
- The warmest day in September was on September 19, 1986, with a maximum of 41°C (106°F).
- The lowest daytime temperature in September was 25°C (77°F), recorded on September 29, 2001.
- Nighttime temperatures dropped to 18°C (64°F) on September 21, 2013, marking the coldest September night on record.
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 →
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What to Wear in La Paz 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). Rain is likely on several days, so bring a good rain jacket. With water temperatures around 30°C (86°F), swimming conditions are excellent. Pack your swimsuit, goggles, and maybe some water shoes. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.What To Do in La Paz in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Mexico, check out our La Paz's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full La Paz climate overview or explore weather in Mexico.
