Nagaoka Weather in September

What's the weather like in Nagaoka (Niigata) in September 2024?

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

September is in the fall / autumn in Nagaoka and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around a muggy 25°C (77°F), whilst at night 17°C (63°F) is normal.

Nagaoka weather averages (imperial / metric)
Daytime temperature 25.1°C 77.2°F
Nightly temperature 17.1°C 62.8°F
Average temperature 21.1°C 70°F
Daily sunshine 4.6 hrs
Avg rainfall 180 mm 7.1 ins
Rainy days 20 days
Sea temperature 24°C 75.2°F
Humidity 78%
Windspeed 7.6kph 5 mph

On average September is the 4th wettest month of the year in Nagaoka with around 180mm 7.1 inches of rain making it a wet time to visit. This rainfall is typically spread over 20 days, although this may vary considerably.

On the flip side this corresponds to an average of 4.6 hours of sunshine per day.

September temperatures in Nagaoka

Nagaoka average temperature in September

September rainfall

Nagaoka average rain in September

September hourly sunshine

Nagaoka 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 Nagaoka in September 2024.

Other monthly averages

Best places to visit in September

UV index Best time to go?

Nagaoka weather stats

Nagaoka weather statistics
Hottest month: August 29.7°C 85.5°F
Driest month: April 86mm 3.4ins
Sunniest month: May 7hrs
Coldest month: January 4.4°C 39.9°F
Wettest month: December 201mm 7.9ins
Map showing location of Nagaoka (37.45, 138.85) Nagaoka map pin © Google

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