San Juan del Cesar Weather in September
What's the weather like in San Juan del Cesar (La Guajira) in September 2025?
The climate in San Juan del Cesar during September can be summarized as hot, humid and wet.
September is in the fall / autumn in San Juan del Cesar and is typically the 6th coldest month of the year. Daytime maximum temperatures average around a steamy 32°C (90°F), whilst at night 21°C (70°F) is normal.
| Daytime temperature | 32.2°C 89.9°F |
|---|---|
| Nightly temperature | 21.3°C 70.3°F |
| Average temperature | 26.7°C 80.1°F |
| Daily sunshine | 6.2 hrs |
| Avg rainfall | 145 mm 5.7 ins |
| Rainy days | 9 days |
| Sea temperature | 28.8°C 83.8°F |
| Humidity | 79% |
| Windspeed | 12.6kph 8 mph |
On average September is the 3rd wettest month of the year in San Juan del Cesar with around 145mm 5.7 inches of rain making it a wet time to visit. This rainfall is typically spread over 9 days, although this may vary considerably.
On the flip side this corresponds to an average of 6.2 hours of sunshine per day.
September temperatures in San Juan del Cesar
September rainfall
September hourly sunshine
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in San Juan del Cesar in September 2025.
Other monthly averages
Best places to visit in September
San Juan del Cesar weather stats
| Hottest month: | July | 33.3°C 91.9°F |
|---|---|---|
| Driest month: | February | 17mm 0.7ins |
| Sunniest month: | January | 8.5hrs |
| Coldest month: | December | 31.3°C 88.3°F |
| Wettest month: | October | 224mm 8.8ins |
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