Hachinohe
Japan
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Hachinohe, Japan

The first month of the autumn, September, is still a warm month in Hachinohe, Japan, with temperature in the range of an average low of 15.2°C (59.4°F) and an average high of 23.1°C (73.6°F).

Temperature

In Hachinohe, the average high-temperature in September marginally drops, from 26.5°C (79.7°F) in August, to a still moderately hot 23.1°C (73.6°F). In Hachinohe, in September, the average low-temperature is 15.2°C (59.4°F).

Humidity

In September, the average relative humidity is 79%.

Rainfall

September is the month with the most rainfall in Hachinohe, with 167.6mm (6.6") of accumulated precipitation.

Snowfall

May through October are months without snowfall in Hachinohe.

Sea temperature

In Hachinohe, the average water temperature is 21.8°C (71.2°F).
Note: For most, swimming in 21.8°C (71.2°F) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 21°C (69.8°F) to 15°C (59°F).

Daylight

The average length of the day in Hachinohe, Japan, is 12.5h.

Sunshine

In Hachinohe, the average sunshine in September is 4.8h.

What is the temperature in September in Hachinohe?

In Hachinohe, in September, the average high-temperature is 23.1°C (73.6°F), and the average low-temperature is 15.2°C (59.4°F).

What is the average humidity in September in Hachinohe?

In Hachinohe, Japan, the average relative humidity in September is 79%.

How much does it rain in Hachinohe in September?

In Hachinohe, Japan, in September, 167.6mm (6.6") of precipitation is typically accumulated.

What is the wettest month in Hachinohe?

The month with the most rainfall in Hachinohe is September when 167.6mm (6.6") of precipitation is typically aggregated.

When it does not snow in Hachinohe?

May through October are months without snowfall in Hachinohe, Japan.

What is the sea temperature in September in Hachinohe?

In September, the average sea temperature is 21.8°C (71.2°F). For swimming, a surface water temperature of 21.8°C (71.2°F) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 21°C (69.8°F).

How many hours of daylight does Hachinohe have in September?

In September, the average length of the day in Hachinohe, Japan, is 12.5h.

How many hours of sunshine does Hachinohe have in September?

The average sunshine in September in Hachinohe, Japan, is 4.8h.
Average temperature in September - Hachinohe, Japan
  • Average high temperature in September: 23.1°C

The warmest month (with the highest average high temperature) is August (26.5°C).
The month with the lowest average high temperature is January (2.6°C).

  • Average low temperature in September: 15.2°C

The month with the highest average low temperature is August (19.3°C).
The coldest month (with the lowest average low temperature) is January (-4.2°C).

Average humidity in September - Hachinohe, Japan
  • Average humidity in September: 79%

The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is April (65%).

Average rainfall in September - Hachinohe, Japan
  • Average rainfall in September: 167.6mm

The wettest month (with the highest rainfall) is September (167.6mm).
The driest month (with the lowest rainfall) is February (40.1mm).

Average snowfall in September - Hachinohe, Japan
  • Average snowfall in September: 0mm

The month with the highest snowfall is January (770mm).
Months with the lowest snowfall are May, June, July, August, September and October (0mm).

Average sea temperature in September - Hachinohe, Japan
  • Average sea temperature in September: 21.8°C

The best month for swimming (with the highest average sea temperature) is August (22.6°C).
The coldest month (with the lowest average sea temperature) is March (7°C).

Average daylight in September / Average sunshine in September - Hachinohe, Japan
  • Average daylight in September: 12.5h

The month with the longest days is June (Average daylight: 15h).
The month with shortest days is December (Average daylight: 9.3h).

  • Average sunshine in September: 4.8h

The month with most sunshine is May (Average sunshine: 6.4h).
The month with least sunshine is December (Average sunshine: 4h).