Karuizawa
Japan
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Karuizawa, Japan

The first month of the autumn, Septiembre, is still a pleasant month in Karuizawa, Japan, with average temperature varying between 12.2°C (54°F) and 20.5°C (68.9°F).

Temperature

In Septiembre, the average high-temperature decreases, from a warm 25.5°C (77.9°F) in Agosto, to an agreeable 20.5°C (68.9°F). In Karuizawa, in Septiembre, the average low-temperature is 12.2°C (54°F).

Humidity

With an average relative humidity of 88%, Septiembre is the most humid month in Karuizawa.

Rainfall

In Karuizawa, in Septiembre, 173.3mm (6.82") of precipitation is typically accumulated. During the entire year, Karuizawa aggregates up to 1211.3mm (47.69") of precipitation.

Snowfall

In Karuizawa snow does not fall in Mayo through Septiembre.

Daylight

The average length of the day in Karuizawa is 12.4h.

Sunshine

Septiembre has the least sunshine of the year in Karuizawa, with an average of 3.6h of sunshine.

What is the temperature in Septiembre in Karuizawa?

In Karuizawa, in Septiembre, the average high-temperature is 20.5°C (68.9°F), and the average low-temperature is 12.2°C (54°F).

What is the most humid month in Karuizawa?

The most humid month in Karuizawa is Septiembre, with an average relative humidity of 88%.

What is the average humidity in Septiembre in Karuizawa?

In Septiembre, the average relative humidity in Karuizawa, Japan, is 88%.

How much does it rain in Karuizawa in Septiembre?

Throughout Septiembre, 173.3mm (6.82") of precipitation is accumulated.

Does it snow in Karuizawa in Septiembre?

In Karuizawa, Japan, in Septiembre, it doesn't snow. In Octubre, it regularly snows.

When it does not snow in Karuizawa?

Mayo through Septiembre are months without snowfall.

How many hours of daylight does Karuizawa have in Septiembre?

The average length of the day in Septiembre in Karuizawa is 12.4h.

What is the month with the least sunshine in Karuizawa?

With an average of 3.6h of sunshine, Septiembre has the least sunshine of the year in Karuizawa, Japan.

How many hours of sunshine does Karuizawa have in Septiembre?

In Septiembre, the average sunshine is 3.6h.
Average temperature in September - Karuizawa, Japan
  • Average high temperature in September: 20.5°C

The warmest month (with the highest average high temperature) is August (25.5°C).
The month with the lowest average high temperature is January (1.9°C).

  • Average low temperature in September: 12.2°C

The month with the highest average low temperature is August (16.2°C).
The coldest month (with the lowest average low temperature) is January (-9.5°C).

Average humidity in September - Karuizawa, Japan
  • Average humidity in September: 88%

The month with the highest relative humidity is September (88%).
The month with the lowest relative humidity is April (72%).

Average rainfall in September - Karuizawa, Japan
  • Average rainfall in September: 173.3mm

The wettest month (with the highest rainfall) is June (187.4mm).
The driest month (with the lowest rainfall) is December (23.3mm).

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

The month with the highest snowfall is February (430mm).
Months with the lowest snowfall are May, June, July, August and September (0mm).

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

The month with the longest days is June (Average daylight: 14.6h).
The month with shortest days is December (Average daylight: 9.7h).

  • Average sunshine in September: 3.6h

The month with most sunshine is May (Average sunshine: 6.2h).
The month with least sunshine is September (Average sunshine: 3.6h).