World Resorts Mexico Cabo San Lucas Weather

Cabo San Lucas weather in September

Weather in Cabo San Lucas: September

Average day temperature: 87.2°F
Average night temperature: 77.9°F
Sea water temperature: 85.1°F
Number of sunny days: 16 days
Day length: 11.9 - 12.6 hours
Number of rainy days: 4 days
Precipitation totals: 3.4 in.

Air temperature in September, °F

Show year:
2026
2025
2024

The highest day temperature during September of 2026 was 90°F. At the same time the lowest night temperature was 75°F. Daily and nightly averages during September were 86.9°F and 77.4°F.

Sea water temperature in Cabo San Lucas in September, °F

Show year:
2026
2025
2024

The average sea water temperature in September of 2026 was 88.2°F. The highest and lowest sea temperatures during the month were 89.2°F and 87.3°F.

Sunny, partly cloudy and cloudy days

Mostly all days in September are sunny but cloudy days are also possible.

Precipitation total in September, in.

Precipitation total value in Cabo San Lucas in September is 3.7 in. Other months of the year show relatively similar values.

Wind speed in September, mph

The average wind speed value in September is 8.5 mph

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in September is: 7.4.

Best time for vacation in Cabo San Lucas

Sunniest months:
May 29 days
March 26 days
April 26 days
Warmest months:
August 88.1 °F
September 87.2 °F
July 87.1 °F
Warmest sea temp:
September 85.1 °F
October 84.8 °F
August 84.5 °F
Coldest months:
February 74.7 °F
January 75.0 °F
March 76.8 °F
Rainiest months:
September 4 days
August 3 days
October 2 days
Windiest months:
June 10.1 mph
May 9.8 mph
July 9.0 mph

Cabo San Lucas on a weather map

Cabo San Lucas
+84°F
W 19 mph
Feels like: +93°F
Precip.: 30%
Places in Mexico:
Name
°F
+81°F
+82°F
+84°F
+86°F
+88°F
+86°F
+88°F
+99°F
+88°F
24 Hours Forecast
Cabo San Lucas
Local time: 11:57
October 04, sunday
1200
84°F
W
19 mph
1500
86°F
NW
18 mph
1800
81°F
W
14 mph
2100
75°F
W
11 mph
October 05, monday
0000
75°F
W
11 mph
0300
75°F
W
11 mph
0600
79°F
W
11 mph
0900
84°F
NW
17 mph
Units of measurement: °C / °F