La Paz, Baja California (La Paz) weather in September
Mexico

September in La Paz, Baja California: sweltering, rainy, with clean air — not the time — 42°C afternoons.
#10 of 12 months in La Paz, Baja California · #1267 of 1383 destinations to visit in September · comfort 47/100 (tier F)
Updated September 2026 · climate normals from ERA5 reanalysis
Traveller notes on La Paz, Baja California in September
No notes yet. Open La Paz, Baja California on the map to add the first one.
La Paz, Baja California climate normals — September
| Daytime high | 37°C / 99°F | 🔥 sweltering |
|---|---|---|
| Nighttime low | 25°C / 76°F | |
| Feels like (high) | 42°C / 108°F | |
| Sea temperature | 31°C / 87°F | ♨️ bath-warm |
| Rainfall | 92 mm / 3.6 in | 🌧 rainy |
| Rainy days | 9 days | |
| Humidity | 70% | 💧 humid |
| Dew point | 23°C / 73°F | |
| Sunshine | 10.8 h/day | |
| Daylight | 12.3 h | |
| Wind | 12 km/h / 8 mph | |
| Air quality (US AQI) | 32 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in La Paz, Baja California in September
How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.
Quietschool holidays in 2 of the markets that fill it, one of its worst months for weather(estimated)
Peak crowdsBusyShoulder seasonQuiet
Best months for La Paz, Baja California's weather
Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).
Toughest weatherLa Paz, Baja California's weather peaks December–February, best around January.
September coincides with Pacific hurricane season.
Best weatherFair weatherToughest weather
What's on in La Paz, Baja California in September
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Hazard
Pacific hurricane season
15 May – 30 NovThe eastern Pacific season opens in mid-May, and southern Baja sits where the storms turn north — Odile came ashore here in September 2014 and took the power out for weeks. Late August to early October is the part that matters. Source ↗
Where is La Paz, Baja California?
La Paz, Baja California in September — FAQ
- Is September a good time to visit La Paz, Baja California?
- September in La Paz, Baja California: sweltering, rainy, with clean air — not the time — 42°C afternoons. It ranks #10 of 12 months for La Paz, Baja California on SeasonMap's comfort score (47/100).
- What is the weather like in La Paz, Baja California in September?
- In September, La Paz, Baja California averages a daily high of 37°C and a low of 24.6°C, with about 91.5 mm of rain over roughly 9.3 rainy days.
- What is the air quality in La Paz, Baja California in September?
- La Paz, Baja California has a mean US Air Quality Index of about 32 in September.