September weather forecast
Kushiro, Japan

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Weather in September

September in Kushiro witnesses the gradual decline of summer's warmth as the landscape prepares to don an autumnal aesthetic. The temperatures start to decrease, but they remain fairly pleasant, reminiscent of premium outdoor conditions. The rainfall subsides compared to the preceding month, ushering in a drier climate suitable for exploring national parks and enjoying the natural beauty. As summer bids adieu, September brings forth the hues of the ever-approaching autumn.

Temperature

September's arrival shows an average high-temperature of a still pleasant 20.1°C, hardly different from the previous month. Throughout September, Kushiro anticipates an average low-temperature of 13°C.

Humidity

In Kushiro, the average relative humidity in September is 83%.

Rainfall

In September, in Kushiro, the rain falls for 13.9 days. Throughout September, 78mm of precipitation is accumulated. Throughout the year, there are 105.6 rainfall days, and 625mm of precipitation is accumulated.

Snowfall

June through October are months without snowfall in Kushiro.

Sea temperature

In Kushiro, in September, the average water temperature is 17.3°C.
Note: The majority of individuals do not enjoy swimming in water that is 17.3°C. Breathing control becomes more challenging as the water temperature dips from 21°C to 15°C.

Daylight

In Kushiro, the average length of the day in September is 12h and 31min.
On the first day of September, sunrise is at 04:46 and sunset at 17:59. On the last day of the month, sunrise is at 05:17 and sunset at 17:07 JST.

Sunshine

In September, the average sunshine is 6.9h.

UV index

The average daily maximum UV index in September in Kushiro is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The maximum UV index of 4 during September leads to these instructions:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
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FAQ

What are the temperatures in Kushiro in September?

The average high-temperature and low-temperature during September are 20.1°C and 13°C respectively.

What is the average humidity in September in Kushiro?

In September, the average relative humidity in Kushiro, Japan, is 83%.

How many days does it rain in September in Kushiro?

In Kushiro, in September, during 13.9 rainfall days, 78mm of precipitation is typically accumulated.

When it does not snow in Kushiro?

In Kushiro, Japan, snow does not fall in June through October.

What is the sea temperature in September in Kushiro?

In September, the average sea temperature in Kushiro, Japan, is 17.3°C. Swimming in 17.3°C is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 21°C.

How many hours of daylight does Kushiro have in September?

In September, the average day length is 12h and 31min.

When are sunrise and sunset in September in Kushiro?

On the first day of September in Kushiro, Japan, sunrise is at 04:46 and sunset at 17:59. On the last day of the month, sunrise is at 05:17 and sunset at 17:07 JST.

How long on average sun shines in September in Kushiro?

In Kushiro, the average sunshine duration in September is 6.9h.

What is the UV index reading in September in Kushiro?

In Kushiro, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium hazard to health from exposure to the Sun's UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sea temperature
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Kushiro, Japan

Average temperature in September - Kushiro, Japan
  • Average high temperature in September: 20.1°C

The warmest month (with the highest average high temperature) is August (22.8°C).
The month with the lowest average high temperature is January (-2.4°C).

  • Average low temperature in September: 13°C

The month with the highest average low temperature is August (15.7°C).
The coldest month (with the lowest average low temperature) is February (-8.4°C).

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Average pressure in September
Kushiro, Japan

Average pressure in September - Kushiro, Japan
  • Average pressure in September: 1013.8mbar

The month with the highest atmospheric pressure is October (1015.6mbar).
The month with the lowest atmospheric pressure is July (1009.4mbar).

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Average wind speed in September
Kushiro, Japan

Average wind speed in September - Kushiro, Japan
  • Average wind speed in September: 10.4km/h

The windiest month (with the highest average wind speed) is December (14.8km/h).
The calmest month (with the lowest average wind speed) is July (8.5km/h).

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Average humidity in September
Kushiro, Japan

Average humidity in September - Kushiro, Japan
  • Average humidity in September: 83%

The month with the highest relative humidity is July (88%).
The months with the lowest relative humidity are April, November and December (76%).

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Average rainfall in September
Kushiro, Japan

Average rainfall in September - Kushiro, Japan
  • Average rainfall in September: 78mm

The wettest month (with the highest rainfall) is August (109mm).
The driest month (with the least rainfall) is February (14mm).

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Average rainfall days in September
Kushiro, Japan

Average rainfall days in September - Kushiro, Japan
  • Average rainfall days in September: 13.9 days

The month with the highest number of rainy days is August (16.3 days).
The month with the least rainy days is February (1.6 days).

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Average snowfall in September
Kushiro, Japan

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

The month with the highest snowfall is February (77mm).
The months with the least snowfall are June, July, August, September and October (0mm).

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Average snowfall days in September
Kushiro, Japan

Average snowfall days in September - Kushiro, Japan
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is March (6.1 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

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Average sea temperature in September
Kushiro, Japan

Average sea temperature in September - Kushiro, Japan
  • Average sea temperature in September: 17.3°C

The best month for swimming (with the highest average sea temperature) is August (18.1°C).
The coldest month (with the lowest average sea temperature) is February (0.8°C).

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Average daylight in September /
Average sunshine in September
Kushiro, Japan

Average daylight in September / Average sunshine in September - Kushiro, Japan
  • Average daylight in September: 12h and 3min

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • Average sunshine in September: 6h and 5min

The months with the most sunshine are April and May (Average sunshine: 8h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).

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Average sunshine days in September
Kushiro, Japan

Average sunshine days in September - Kushiro, Japan
  • Average sunshine days in September: 14.1 days

The month with the most sunshine days is January (25.8 days).
The month with the least sunshine days is August (13.3 days).

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Average UV index in September
Kushiro, Japan

Average UV index in September - Kushiro, Japan
  • Average UV index in September: 4

The months with the highest UV index are July and August (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 2).

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Average cloud cover in September
Kushiro, Japan

Average cloud cover in September - Kushiro, Japan
  • Average cloud cover in September: 47

The month with the most cloud cover is July (Cloud cover 62).
The months with the least cloud cover are October and November (Cloud cover 37).

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Average visibility in September
Kushiro, Japan

Average visibility in September - Kushiro, Japan
  • Average visibility in September: 8km

The month with the highest visibility is December (10km).
The months with the lowest visibility are June, July and August (7km).

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Kushiro, Japan

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