September weather forecastHamatonbetsu, Japan
September
Weather in September
The first month of the autumn, September, is still a refreshing month in Hamatonbetsu, Japan, with temperature in the range of an average high of 19°C (66.2°F) and an average low of 13°C (55.4°F).Temperature
September welcomes an average high-temperature of a refreshing 19°C (66.2°F), not much different from the preceding month. Hamatonbetsu's nighttime temperature in September falls to an average of 13°C (55.4°F).Humidity
In Hamatonbetsu, the average relative humidity in September is 80%.Rainfall
In Hamatonbetsu, in September, it is raining for 16.2 days, with typically 72mm (2.83") of accumulated precipitation. In Hamatonbetsu, during the entire year, the rain falls for 144.9 days and collects up to 802mm (31.57") of precipitation.Snowfall
June through September are months without snowfall.Daylight
In Hamatonbetsu, Japan, the average length of the day in September is 12h and 33min.On the first day of September, sunrise is at 04:52 and sunset at 18:08. On the last day of the month, sunrise is at 05:27 and sunset at 17:13 JST.
Sunshine
In Hamatonbetsu, Japan, the average sunshine in September is 7.3h.UV index
In September, the average daily maximum UV index in Hamatonbetsu is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: In September, a daily maximum UV index of 4 leads to the following instructions:
Undertake precautions - It is suggested to shield oneself from sunburn. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Hamatonbetsu, Japan
- Average high temperature in September: 19°C
The warmest month (with the highest average high temperature) is August (21.3°C).
The months with the lowest average high temperature are January and February (-3.9°C).
- Average low temperature in September: 13°C
The month with the highest average low temperature is August (15.8°C).
The coldest month (with the lowest average low temperature) is February (-8.6°C).
Average pressure in September
Hamatonbetsu, Japan
- Average pressure in September: 1013.2mbar
The month with the highest atmospheric pressure is October (1014.6mbar).
The month with the lowest atmospheric pressure is July (1008.5mbar).
Average wind speed in September
Hamatonbetsu, Japan
- Average wind speed in September: 13.4km/h
The windiest month (with the highest average wind speed) is December (19.3km/h).
The calmest month (with the lowest average wind speed) is July (10.3km/h).
Average humidity in September
Hamatonbetsu, Japan
- Average humidity in September: 80%
The month with the highest relative humidity is February (87%).
The month with the lowest relative humidity is October (76%).
Average rainfall in September
Hamatonbetsu, Japan
- Average rainfall in September: 72mm
The wettest month (with the highest rainfall) is August (122mm).
The driest months (with the least rainfall) are February and April (44mm).
Average rainfall days in September
Hamatonbetsu, Japan
- Average rainfall days in September: 16.2 days
The month with the highest number of rainy days is August (18.8 days).
The month with the least rainy days is January (2.8 days).
Average snowfall in September
Hamatonbetsu, Japan
- Average snowfall in September: 0mm
The month with the highest snowfall is December (300mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Hamatonbetsu, Japan
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (25.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Hamatonbetsu, Japan
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in September: 7h and 18min
The months with the most sunshine are April and May (Average sunshine: 7h and 42min).
The month with the least sunshine is January (Average sunshine: 1h and 24min).
Average sunshine days in September
Hamatonbetsu, Japan
- Average sunshine days in September: 11.2 days
The month with the most sunshine days is May (12.9 days).
The month with the least sunshine days is December (3.5 days).
Average UV index in September
Hamatonbetsu, 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, November and December (UV index 1).
Average cloud cover in September
Hamatonbetsu, Japan
- Average cloud cover in September: 42
The month with the most cloud cover is January (Cloud cover 87).
The month with the least cloud cover is September (Cloud cover 42).
Average visibility in September
Hamatonbetsu, Japan
- Average visibility in September: 9km
The months with the highest visibility are April, May, September and October (9km).
The months with the lowest visibility are January, February and December (7km).
