Waimea Weather in September

What's the weather like in Waimea (Hawaii) in September 2024?

The climate in Waimea during September can be summarized as hot, humid and very wet.

September is in the fall / autumn in Waimea and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around a muggy 27°C (81°F), whilst at night 21°C (70°F) is normal.

Waimea weather averages (imperial / metric)
Daytime temperature 27.3°C 81.1°F
Nightly temperature 21.1°C 70°F
Average temperature 24.2°C 75.6°F
Daily sunshine 8.5 hrs
Avg rainfall 210 mm 8.3 ins
Rainy days 16 days
Sea temperature 27.1°C 80.8°F
Humidity 74%
Windspeed 19.9kph 12 mph

On average September is the 2nd driest month of the year in Waimea with around 210mm 8.3 inches of rain making it a very wet time to visit. This rainfall is typically spread over 16 days, although this may vary considerably.

On the flip side this corresponds to an average of 8.5 hours of sunshine per day.

September temperatures in Waimea

Waimea average temperature in September

September rainfall

Waimea average rain in September

September hourly sunshine

Waimea 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 Waimea in September 2024.