Aomori
Japan
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Aomori, Japan

September, the first month of the autumn, in Aomori, is still a pleasant month, with average temperature varying between 13°C (55.4°F) and 22°C (71.6°F).

Temperature

In Aomori, the average high-temperature in September drops, from a moderately hot 27°C (80.6°F) in August, to an agreeable 22°C (71.6°F). The average low-temperature, in Aomori, is 13°C (55.4°F).

Rainfall

In Aomori, during 19 rainfall days, 144mm (5.7") of precipitation is typically accumulated. In Aomori, during the entire year, the rain falls for 261 days and collects up to 1375mm (54.1") of precipitation.

Sea temperature

In Aomori, the average water temperature is 22.6°C (72.7°F). For individuals prone to feeling cold, swimming in 23°C (73.4°F) is still regarded as intolerable. A wetsuit is not a necessity, but sunshine, wind, and air temperature are essential factors for relishing swimming at 22.6°C (72.7°F).

Daylight

The average length of the day in September is 12.5h.

Sunshine

In Aomori, Japan, the average sunshine is 5h.

UV index

In Aomori, Japan, the average daily maximum UV index is 7. A UV Index value of 6 to 7 symbolizes a high threat to health from unprotected exposure to the Sun's UV rays for the ordinary person.
The daily maximum UV index of 7 interpret into the following advice:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Beware! The strength of the UV rays is significantly increased by the reflection of the water and sand.

What is the temperature in September in Aomori?

The average high-temperature, in September, in Aomori, Japan, is 22°C (71.6°F), while the average low-temperature is 13°C (55.4°F).

How many days does it rain in September in Aomori?

In Aomori, Japan, in September, it is raining for 19 days, with typically 144mm (5.7") of accumulated precipitation.

How warm is the water in September in Aomori?

In Aomori, in September, the average water temperature is 22.6°C (72.7°F). A person's cold intolerance, with sunshine, wind, and air temperature, are essential factors for enjoying swimming in 22.6°C (72.7°F) water.

How many hours of daylight does Aomori have in September?

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

How long on average sun shines in September in Aomori?

In September, the average sunshine in Aomori, Japan, is 5h.

How high is the UV index in September in Aomori?

The average daily maximum UV index in September in Aomori, Japan, is 7. A UV Index estimate of 6 to 7 represents a high health risk from unsafe exposure to the Sun's UV rays.
Average temperature in September - Aomori, Japan
  • Average high temperature in September: 22°C

The warmest month (with the highest average high temperature) is August (27°C).
The month with the lowest average high temperature is January (0°C).

  • Average low temperature in September: 13°C

The month with the highest average low temperature is August (19°C).
Coldest months (with the lowest average low temperature) are January and February (-6°C).

Average rainfall in September - Aomori, Japan
  • Average rainfall in September: 144mm

The wettest month (with the highest rainfall) is August (149mm).
The driest month (with the lowest rainfall) is April (77mm).

Average rainfall days in September - Aomori, Japan
  • Average rainfall days in September: 19 days

The month with the highest number of rainy days is January (30 days).
Months with the lowest number of rainy days are April and June (17 days).

Average sea temperature in September - Aomori, Japan
  • Average sea temperature in September: 22.6°C

The best month for swimming (with the highest average sea temperature) is August (23.6°C).
The coldest month (with the lowest average sea temperature) is March (7.9°C).

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

The month with the longest days is June (Average daylight: 15.1h).
The month with shortest days is December (Average daylight: 9.3h).

  • Average sunshine in September: 5h

The month with most sunshine is May (Average sunshine: 7h).
Months with least sunshine are January and December (Average sunshine: 2).

Average UV index in September - Aomori, Japan
  • Average UV index in September: 7

The month with the highest UV index is July (UV index 9).
Months with the lowest UV index are January and December (UV index 1).