Ōarai Weather in September

What's the weather like in Ōarai (Ibaraki) in September 2024?

The climate in Ōarai during September can be summarized as warm, humid and wet.

September is in the fall / autumn in Ōarai and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around a muggy 25°C (78°F), whilst at night 18°C (65°F) is normal.

Ōarai weather averages (imperial / metric)
Daytime temperature 25.3°C 77.5°F
Nightly temperature 18.4°C 65°F
Average temperature 21.8°C 71.2°F
Daily sunshine 4.3 hrs
Avg rainfall 169 mm 6.7 ins
Rainy days 19 days
Sea temperature 25°C 77°F
Humidity 83%
Windspeed 9.4kph 6 mph

On average September is the 2nd wettest month of the year in Ōarai with around 169mm 6.7 inches of rain making it a 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 4.3 hours of sunshine per day.

September temperatures in Ōarai

Ōarai average temperature in September

September rainfall

Ōarai average rain in September

September hourly sunshine

Ōarai 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 Ōarai in September 2024.

Other monthly averages

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Ōarai weather stats

Ōarai weather statistics
Hottest month: August 28.8°C 83.8°F
Driest month: December 45mm 1.8ins
Sunniest month: January 6.3hrs
Coldest month: January 8.5°C 47.3°F
Wettest month: June 170mm 6.7ins
Map showing location of Ōarai (36.31667, 140.6) Ōarai map pin © Google

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