September weather forecastHoronobe, Japan
September
Weather in September
September, the first month of the autumn in Horonobe, is also an enjoyable month, with an average temperature ranging between min 16.1°C (61°F) and max 18.7°C (65.7°F).Temperature
Horonobe's weather in September displays an average high-temperature of a comfortable 18.7°C (65.7°F), showing minor disparity from August's 20.3°C (68.5°F). In Horonobe, the nocturnal temperatures throughout September show a marginal dip from the daytime averages, settling at 16.1°C (61°F).Humidity
In September, the average relative humidity is 77%.Rainfall
In Horonobe, during September, the rain falls for 16.1 days and regularly aggregates up to 74mm (2.91") of precipitation. In Horonobe, during the entire year, the rain falls for 135.1 days and collects up to 739mm (29.09") of precipitation.Snowfall
In Horonobe, snow does not fall in June through September.Daylight
In September, the average length of the day is 12h and 32min.On the first day of the month, sunrise is at 04:54 and sunset at 18:10. On the last day of September, sunrise is at 05:29 and sunset at 17:15 JST.
Sunshine
The average sunshine in September is 7.9h.UV index
July through September, with an average maximum UV index of 5, are months with the highest UV index. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: The UV index of 5 in September translates into these instructions:
Adopt protective measures - It is advised to guard against sun damage. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Horonobe, Japan
- Average high temperature in September: 18.7°C
The warmest month (with the highest average high temperature) is August (20.3°C).
The month with the lowest average high temperature is January (-2.9°C).
- Average low temperature in September: 16.1°C
The month with the highest average low temperature is August (17.8°C).
The coldest month (with the lowest average low temperature) is February (-5.7°C).
Average pressure in September
Horonobe, Japan
- Average pressure in September: 1012.8mbar
The month with the highest atmospheric pressure is November (1014.2mbar).
The month with the lowest atmospheric pressure is July (1008.3mbar).
Average wind speed in September
Horonobe, Japan
- Average wind speed in September: 20.9km/h
The windiest month (with the highest average wind speed) is December (28.3km/h).
The calmest month (with the lowest average wind speed) is July (17.8km/h).
Average humidity in September
Horonobe, Japan
- Average humidity in September: 77%
The month with the highest relative humidity is July (88%).
The month with the lowest relative humidity is October (70%).
Average rainfall in September
Horonobe, Japan
- Average rainfall in September: 74mm
The wettest month (with the highest rainfall) is August (102mm).
The driest month (with the least rainfall) is April (35mm).
Average rainfall days in September
Horonobe, Japan
- Average rainfall days in September: 16.1 days
The month with the highest number of rainy days is October (18.4 days).
The month with the least rainy days is January (2.1 days).
Average snowfall in September
Horonobe, Japan
- Average snowfall in September: 0mm
The month with the highest snowfall is December (175mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Horonobe, Japan
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (21.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Horonobe, 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 54min
The month with the most sunshine is August (Average sunshine: 8h and 24min).
The month with the least sunshine is January (Average sunshine: 1h and 6min).
Average sunshine days in September
Horonobe, Japan
- Average sunshine days in September: 10.8 days
The month with the most sunshine days is May (15.3 days).
The month with the least sunshine days is December (2 days).
Average UV index in September
Horonobe, Japan
- Average UV index in September: 5
The months with the highest UV index are July, August and September (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in September
Horonobe, Japan
- Average cloud cover in September: 38
The month with the most cloud cover is January (Cloud cover 90).
The month with the least cloud cover is September (Cloud cover 38).
Average visibility in September
Horonobe, Japan
- Average visibility in September: 10km
The months with the highest visibility are September and October (10km).
The months with the lowest visibility are January and December (7km).
