La Paz in September
In September, La Paz averages 17°C (62°F) during the day and 4°C (39°F) at night, with frequent rain — about 20 days of the month see precipitation (64 mm total).
ShoulderConditions are cool — bring a jacket for evenings. Expect daily rain or showers, often in heavy bursts.
September is one of the wetter and less comfortable months in La Paz. If your dates are flexible, consider a different time of year.
How September compares to the rest of the year in La Paz
September is one of the warmest months in La Paz (3rd of 12) and moderately rainy compared to the rest of the year (8th of 12). Daytime temperature runs 1°C above the annual average (16°C). September runs 1°C warmer than August (16°C) and warms a further 1°C into October (17°C).
September sunrise & sunset in La Paz
Times shown for La Paz local time (America/La_Paz), calculated for the 15th of September. They shift by a few minutes day to day across the month.
Photography light in La Paz — September
Golden-hour and blue-hour windows for the 15th of September, in La Paz's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).
📅 When to book — La Paz in September
Travel writers usually only tell you when to go. Here's when to book flights and lodging for the best mix of price and availability, based on September's tier (Shoulder) and La Paz's popularity.
Crowds & pricing — September in La Paz
La Paz is in a shoulder season month — fewer crowds, slightly lower prices, and a calmer atmosphere than peak weeks. Most major sights stay open with normal hours, though a handful of seasonal restaurants or boat trips may run reduced schedules. Many regulars consider these months the best time to visit because you trade a small amount of weather reliability for a much more pleasant on-the-ground experience.
Sun & mosquito risk — September in La Paz
UV is a clear-sky sea-level estimate — clouds, altitude, and reflective surfaces (snow, water) shift it ±30%. Mosquito risk is climate-derived only; for current disease advisories (dengue, malaria, zika) check the CDC or WHO travel pages before your trip.
La Paz in other months
| Month | Avg high | Avg low | Rainfall | Rain days | Snow days |
|---|---|---|---|---|---|
| January | 15°C / 59°F | 6°C / 43°F | 170 mm | 29 | — |
| February | 15°C / 60°F | 6°C / 43°F | 138 mm | 27 | — |
| March | 15°C / 59°F | 6°C / 42°F | 127 mm | 30 | — |
| April | 16°C / 60°F | 5°C / 40°F | 65 mm | 21 | — |
| May | 16°C / 60°F | 3°C / 37°F | 38 mm | 16 | — |
| June | 15°C / 59°F | 1°C / 35°F | 20 mm | 12 | — |
| July | 15°C / 60°F | 1°C / 34°F | 22 mm | 11 | — |
| August | 16°C / 60°F | 2°C / 35°F | 37 mm | 16 | — |
| September | 17°C / 62°F | 4°C / 39°F | 64 mm | 20 | — |
| October | 17°C / 63°F | 5°C / 40°F | 76 mm | 24 | — |
| November | 18°C / 64°F | 6°C / 43°F | 86 mm | 23 | — |
| December | 16°C / 61°F | 7°C / 44°F | 133 mm | 25 | — |
Other cities with similar September weather
🌍 See the full ranked list of climate twins for La Paz in September →
Frequently asked questions
How hot is La Paz in September?
In September, La Paz averages a high of 17°C (62°F) and a low of 4°C (39°F) — generally mild and pleasant.
Does it rain a lot in La Paz in September?
September is quite rainy in La Paz, with about 20 rainy days on average.
Is September a good time to visit La Paz?
September is mild and pleasant but on the rainy side. It suits travelers who are comfortable with mild and pleasant weather; check the month-by-month ranking to compare it against the rest of the year.
What should I pack for La Paz in September?
Pack a warm jacket and layers, plus a compact umbrella or rain jacket. See the full September packing list for La Paz for a complete, climate-based checklist.
Check the live 10-day forecast and sunrise/sunset.