September weather forecastHakone, Japan
September
Weather in September
September, the first month of the autumn in Hakone, is also a moderately hot month, with temperature in the range of an average high of 24.5°C (76.1°F) and an average low of 19°C (66.2°F).Temperature
The beginning of September brings a minor change in the average high-temperature, shifting from a warm 28.3°C (82.9°F) in August to a still moderately hot 24.5°C (76.1°F). Hakone's nights in September cool down to an average low-temperature of 19°C (66.2°F).Humidity
In September, the average relative humidity in Hakone is 82%.Rainfall
In Hakone, Japan, in September, it is raining for 18.6 days, with typically 151mm (5.94") of accumulated precipitation. In Hakone, during the entire year, the rain falls for 190.1 days and collects up to 1339mm (52.72") of precipitation.Snowfall
In Hakone, Japan, snow does not fall in April through November.Daylight
In September, the average length of the day in Hakone is 12h and 25min.On the first day of September, sunrise is at 05:16 and sunset at 18:10. On the last day of the month, sunrise is at 05:37 and sunset at 17:29 JST.
Sunshine
In Hakone, Japan, the average sunshine in September is 8.1h.UV index
In Hakone, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: In September, the maximum UV index of 5 translates into these guidelines:
Undertake precautions - It is suggested to shield oneself from sunburn. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Hakone, Japan
- Average high temperature in September: 24.5°C
The warmest month (with the highest average high temperature) is August (28.3°C).
The month with the lowest average high temperature is January (7.4°C).
- Average low temperature in September: 19°C
The month with the highest average low temperature is August (22.2°C).
The coldest month (with the lowest average low temperature) is January (1.3°C).
Average pressure in September
Hakone, Japan
- Average pressure in September: 1013.2mbar
The month with the highest atmospheric pressure is November (1018.1mbar).
The month with the lowest atmospheric pressure is June (1009.1mbar).
Average wind speed in September
Hakone, Japan
- Average wind speed in September: 10.7km/h
The windiest month (with the highest average wind speed) is March (13km/h).
The calmest month (with the lowest average wind speed) is August (10.2km/h).
Average humidity in September
Hakone, Japan
- Average humidity in September: 82%
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is January (68%).
Average rainfall in September
Hakone, Japan
- Average rainfall in September: 151mm
The wettest month (with the highest rainfall) is July (183mm).
The driest month (with the least rainfall) is January (51mm).
Average rainfall days in September
Hakone, Japan
- Average rainfall days in September: 18.6 days
The month with the highest number of rainy days is July (20.8 days).
The month with the least rainy days is January (9.8 days).
Average snowfall in September
Hakone, Japan
- Average snowfall in September: 0mm
The month with the highest snowfall is February (31mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Hakone, Japan
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.7 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in September /
Average sunshine in September
Hakone, Japan
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in September: 8h and 6min
The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 5h and 36min).
Average sunshine days in September
Hakone, Japan
- Average sunshine days in September: 8.6 days
The month with the most sunshine days is January (17.9 days).
The month with the least sunshine days is July (6.7 days).
Average UV index in September
Hakone, Japan
- Average UV index in September: 5
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in September
Hakone, Japan
- Average cloud cover in September: 42
The month with the most cloud cover is June (Cloud cover 49).
The month with the least cloud cover is January (Cloud cover 27).
Average visibility in September
Hakone, Japan
- Average visibility in September: 9km
The months with the highest visibility are January, February, November and December (10km).
The months with the lowest visibility are March, April, May, June, July, August, September and October (9km).
