The climate in Pedernales during September can be summarized as hot, humid and very wet.
September is in the fall / autumn in Pedernales and is typically the 6th coldest month of the year. Daytime maximum temperatures average around a muggy 31°C (87°F), whilst at night 18°C (65°F) is normal.
Daytime temperature | 30.5°C 86.8°F |
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Nightly temperature | 18.4°C 65°F |
Average temperature | 24.4°C 75.9°F |
Daily sunshine | 5 hrs |
Avg rainfall | 245 mm 9.6 ins |
Rainy days | 19 days |
Sea temperature | 29.5°C 85.1°F |
Humidity | 77% |
Windspeed | 6.8kph 4 mph |
On average September is the 2nd wettest month of the year in Pedernales with around 245mm 9.6 inches of rain making it a very wet time to visit. This rainfall is typically spread over 19 days, although this may vary considerably.
On the flip side this corresponds to an average of 5 hours of sunshine per day.
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 Pedernales in September 2025.
Best places to visit in September
Hottest month: | May | 36.3°C 97.3°F |
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Driest month: | March | 2mm 0.1ins |
Sunniest month: | February | 8hrs |
Coldest month: | January | 30.7°C 87.3°F |
Wettest month: | July | 270mm 10.6ins |