September weather forecastNoboribetsu, Japan
September
Weather in September
September, the first month of the autumn in Noboribetsu, is still a pleasant month, with an average temperature ranging between max 20.3°C (68.5°F) and min 14.1°C (57.4°F).Temperature
With the advent of September, Noboribetsu experiences an average high-temperature of a pleasant 20.3°C (68.5°F), mirroring a close resemblance to the previous month. September's nights observe an average temperature of 14.1°C (57.4°F).Humidity
In September, the average relative humidity in Noboribetsu is 82%.Rainfall
In Noboribetsu, Japan, in September, during 16.5 rainfall days, 83mm (3.27") of precipitation is typically accumulated. Throughout the year, there are 178.2 rainfall days, and 856mm (33.7") of precipitation is accumulated.Snowfall
In Noboribetsu, Japan, snow does not fall in May through October.Daylight
The average length of the day in September in Noboribetsu is 12h and 30min.On the first day of the month, sunrise is at 05:00 and sunset at 18:10. On the last day of September, sunrise is at 05:31 and sunset at 17:19 JST.
Sunshine
In September, the average sunshine is 7.5h.UV index
In Noboribetsu, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the ordinary person.Note: The daily maximum UV index of 4 in September interprets into the following advice:
Act with care - The suggestion to avoid sunburn is emphasized. The solar radiation around mid-day is intense; avoid the Sun and stay safe. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Noboribetsu, Japan
- Average high temperature in September: 20.3°C
The warmest month (with the highest average high temperature) is August (23.2°C).
The month with the lowest average high temperature is January (-2.2°C).
- Average low temperature in September: 14.1°C
The month with the highest average low temperature is August (17.6°C).
The coldest month (with the lowest average low temperature) is February (-7.3°C).
Average pressure in September
Noboribetsu, Japan
- Average pressure in September: 1013.6mbar
The month with the highest atmospheric pressure is November (1016.6mbar).
The month with the lowest atmospheric pressure is July (1008.7mbar).
Average wind speed in September
Noboribetsu, Japan
- Average wind speed in September: 11.5km/h
The windiest month (with the highest average wind speed) is December (17.7km/h).
The calmest month (with the lowest average wind speed) is July (9.4km/h).
Average humidity in September
Noboribetsu, Japan
- Average humidity in September: 82%
The month with the highest relative humidity is July (88%).
The month with the lowest relative humidity is October (77%).
Average rainfall in September
Noboribetsu, Japan
- Average rainfall in September: 83mm
The wettest month (with the highest rainfall) is August (120mm).
The driest month (with the least rainfall) is January (40mm).
Average rainfall days in September
Noboribetsu, Japan
- Average rainfall days in September: 16.5 days
The month with the highest number of rainy days is August (19.6 days).
The month with the least rainy days is February (8 days).
Average snowfall in September
Noboribetsu, Japan
- Average snowfall in September: 0mm
The month with the highest snowfall is February (226mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Noboribetsu, Japan
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (22.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Noboribetsu, Japan
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in September: 7h and 30min
The month with the most sunshine is April (Average sunshine: 8h and 18min).
The month with the least sunshine is February (Average sunshine: 3h and 0min).
Average sunshine days in September
Noboribetsu, Japan
- Average sunshine days in September: 10.9 days
The month with the most sunshine days is May (12.9 days).
The month with the least sunshine days is December (5 days).
Average UV index in September
Noboribetsu, 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 and December (UV index 1).
Average cloud cover in September
Noboribetsu, Japan
- Average cloud cover in September: 41
The months with the most cloud cover are January and February (Cloud cover 66).
The month with the least cloud cover is October (Cloud cover 39).
Average visibility in September
Noboribetsu, Japan
- Average visibility in September: 9km
The months with the highest visibility are March, April, May, September, October and November (9km).
The month with the lowest visibility is July (7km).





