Port Lavaca Weather in September

What's the weather like in Port Lavaca (Texas) in September 2024?

The climate in Port Lavaca during September can be summarized as hot, humid and wet.

September is in the fall / autumn in Port Lavaca and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a steamy 31°C (89°F), whilst at night 22°C (71°F) is normal.

Port Lavaca weather averages (imperial / metric)
Daytime temperature 31.4°C 88.5°F
Nightly temperature 21.6°C 70.9°F
Average temperature 26.5°C 79.7°F
Daily sunshine 8.6 hrs
Avg rainfall 148 mm 5.8 ins
Rainy days 10 days
Sea temperature 28.8°C 83.8°F
Humidity 77%
Windspeed 15.1kph 9 mph

On average September is the wettest month of the year in Port Lavaca with around 148mm 5.8 inches of rain making it a wet time to visit. This rainfall is typically spread over 10 days, although this may vary considerably.

On the flip side this corresponds to an average of 8.6 hours of sunshine per day.

September temperatures in Port Lavaca

Port Lavaca average temperature in September

September rainfall

Port Lavaca average rain in September

September hourly sunshine

Port Lavaca average rain in September

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 Port Lavaca in September 2024.