Hiraizumi
Japan
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Hiraizumi, Japan

September, the first month of the autumn, in Hiraizumi, is also a moderately hot month, with temperature in the range of an average high of 23°C (73.4°F) and an average low of 15°C (59°F).

Temperature

In Hiraizumi, the average high-temperature in September drops, from a moderately hot 28°C (82.4°F) in August, to a still warm 23°C (73.4°F). The average low-temperature, in Hiraizumi, Japan, is 15°C (59°F).

Rainfall

In Hiraizumi, during September, the rain falls for 19 days and regularly aggregates up to 168mm (6.6") of precipitation. Throughout the year, in Hiraizumi, there are 239 rainfall days, and 1304mm (51.3") of precipitation is accumulated.

Daylight

In September, the average length of the day in Hiraizumi, Japan, is 12.4h.

Sunshine

January, September, November and December, with an average of 4h of sunshine, are months with the least sunshine.

UV index

In September, the average daily maximum UV index in Hiraizumi, Japan, is 7. A UV Index value of 6 to 7 symbolizes a high health risk from the exposure to the Sun's UV rays for the average person.
Note: The average daily UV index of 7 in September transform into the following instructions:
Take precautions and utilize sun safety practices. Protection against the skin and eye damage is required. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. 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.

What is the temperature in September in Hiraizumi?

In Hiraizumi, Japan, in September, the average high-temperature is 23°C (73.4°F), and the average low-temperature is 15°C (59°F).

How many days does it rain in September in Hiraizumi?

In September, in Hiraizumi, Japan, the rain falls for 19 days. Throughout September, 168mm (6.6") of precipitation is accumulated.

What is the average length of the day in September in Hiraizumi?

In September, the average length of the day in Hiraizumi is 12.4h.

What is the month with the least sunshine in Hiraizumi?

January, September, November and December, with an average of 4h of sunshine, are months with the least sunshine in Hiraizumi, Japan.

How long on average sun shines in September in Hiraizumi?

In September, the average sunshine in Hiraizumi is 4h.

What is the UV index reading in September in Hiraizumi?

In September, the average daily maximum UV index in Hiraizumi, Japan, is 7. A UV Index of 6 to 7 symbolizes a high health vulnerability from the exposure to the Sun's UV radiation.
Average temperature in September - Hiraizumi, Japan
  • Average high temperature in September: 23°C

The warmest month (with the highest average high temperature) is August (28°C).
Months with the lowest average high temperature are January and February (3°C).

  • Average low temperature in September: 15°C

The month with the highest average low temperature is August (20°C).
Coldest months (with the lowest average low temperature) are January and February (-4°C).

Average rainfall in September - Hiraizumi, Japan
  • Average rainfall in September: 168mm

The wettest month (with the highest rainfall) is August (169mm).
The driest month (with the lowest rainfall) is January (58mm).

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

The month with the highest number of rainy days is January (25 days).
Months with the lowest number of rainy days are April and May (17 days).

Average daylight in September / Average sunshine in September - Hiraizumi, Japan
  • Average daylight in September: 12.4h

The month with the longest days is June (Average daylight: 14.9h).
The month with shortest days is December (Average daylight: 9.5h).

  • Average sunshine in September: 4h

The month with most sunshine is May (Average sunshine: 7h).
Months with least sunshine are January, September, November and December (Average sunshine: 4).

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

Months with the highest UV index are June, July and August (UV index 9).
Months with the lowest UV index are January, November and December (UV index 2).