Verdict: Good month
Cabo San Lucas Weather in September
September runs warm in Cabo San Lucas, with daily highs around 32°C (90°F) and nights near 26°C (79°F). Rain is occasional — about 5 wet days in a typical year. Overall, September is a solid month to visit Cabo San Lucas.
Average high
32°C / 90°F
Average low
26°C / 79°F
Rain days
~5
Precipitation
73 mm
What to pack for Cabo San Lucas in September
- Light, breathable clothing — linen and technical fabrics earn their keep
- High-SPF sunscreen, sunglasses, and a refillable water bottle
- Comfortable walking shoes — every guide on this site assumes you'll use them
September against the rest of the year
Warmest in Cabo San Lucas: Jul (33°C / 91°F) · Coolest: Jan (25°C / 77°F) · Wettest: Aug (~7 rain days)
25°
16°
Jan
25°
16°
Feb
27°
17°
Mar
29°
19°
Apr
30°
21°
May
31°
24°
Jun
33°
26°
Jul
33°
27°
Aug
32°
26°
Sep
31°
24°
Oct
29°
20°
Nov
27°
18°
Dec
Daily highs / lows in °C · bars show rain days per month · ERA5 climate normals (2020–2024)