September weather forecastKushiro, Japan
September
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
The advent of September signifies a minor shift to an average high-temperature of a still pleasant 20.1°C (68.2°F), aligning closely with August. In Kushiro, the average low-temperature during the month of September is a mild 13°C (55.4°F).Humidity
In September, the average relative humidity in Kushiro is 83%.Rainfall
In Kushiro, in September, during 13.9 rainfall days, 78mm (3.07") of precipitation is typically accumulated. In Kushiro, during the entire year, the rain falls for 105.6 days and collects up to 625mm (24.61") of precipitation.Snowfall
In Kushiro, Japan, snow does not fall in June through October.Sea temperature
In Kushiro, Japan, in September, the average water temperature is 17.3°C (63.1°F).Note: The majority of people find swimming in 17.3°C (63.1°F) unenjoyable. As the water temperature decreases from 21°C (69.8°F) to 15°C (59°F), breathing becomes more challenging to control.
Daylight
In Kushiro, the average length of the day in September is 12h and 31min.On the first day of September in Kushiro, Japan, sunrise is at 04:47 and sunset at 17:57. On the last day of the month, sunrise is at 05:18 and sunset at 17:06 JST.
Sunshine
In Kushiro, the average sunshine in September is 6.9h.UV index
In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a medium health hazard 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. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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).
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).
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).
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%).
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).
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).
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).
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).
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).
Average daylight in September /
Average sunshine in September
Kushiro, Japan
- Average daylight in September: 12h and 30min
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 54min
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).
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).
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).
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).
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).
