September weather forecastSobue, Japan
September
Weather in September
September, the first month of the autumn in Sobue, is also a moderately hot month, with an average temperature fluctuating between 27°C (80.6°F) and 19.5°C (67.1°F).Temperature
Sobue's transition into September involves a gentle shift in temperature, receding from a hot 31.5°C (88.7°F) in August to a warm 27°C (80.6°F). In September, in Sobue, Japan, the average low-temperature is a refreshing 19.5°C (67.1°F).Heat index
In September, the heat index is computed to be 29°C (84.2°F). If one persists in activity during exposure, it could induce weariness and subsequently, heat cramps.One should consider that heat index numbers are for shaded settings and light wind. Direct sunlight has the potential to heighten heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is a measure that combines air temperature and relative humidity into a single value that indicates how hot the weather feels. A person's impression of weather can be shaped by several aspects, among them metabolic variations, pregnancy, and levels of physical activity. Given the impact of direct sunlight, it's noteworthy that the felt temperature can rise by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Kids are usually in more danger than grown-ups as they tend to sweat less. Plus, their bigger skin surface in relation to their small frames and increased heat generation due to their activity level make them more susceptible.
Humidity
In September, the average relative humidity in Sobue is 77%.Rainfall
In September, the rain falls for 15.2 days. Throughout September, 105mm (4.13") of precipitation is accumulated. In Sobue, Japan, during the entire year, the rain falls for 157.2 days and collects up to 936mm (36.85") of precipitation.Snowfall
April through November are months without snowfall in Sobue.Daylight
In Sobue, the average length of the day in September is 12h and 25min.On the first day of the month, sunrise is at 05:25 and sunset at 18:20. On the last day of September, in Sobue, sunrise is at 05:47 and sunset at 17:38 JST.
Sunshine
The average sunshine in September in Sobue is 8.5h.UV index
In Sobue, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: An average UV index of 5 in September transforms into this advice:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Sobue, Japan
- Average high temperature in September: 27°C
The warmest month (with the highest average high temperature) is August (31.5°C).
The month with the lowest average high temperature is January (6.8°C).
- Average low temperature in September: 19.5°C
The month with the highest average low temperature is August (23.8°C).
The coldest month (with the lowest average low temperature) is January (0.7°C).
Average pressure in September
Sobue, Japan
- Average pressure in September: 1013.2mbar
The month with the highest atmospheric pressure is November (1019.3mbar).
The month with the lowest atmospheric pressure is June (1009mbar).
Average wind speed in September
Sobue, Japan
- Average wind speed in September: 7.4km/h
The windiest months (with the highest average wind speed) are February and March (9.5km/h).
The calmest month (with the lowest average wind speed) is July (7km/h).
Average humidity in September
Sobue, Japan
- Average humidity in September: 77%
The month with the highest relative humidity is July (80%).
The month with the lowest relative humidity is May (71%).
Average rainfall in September
Sobue, Japan
- Average rainfall in September: 105mm
The wettest month (with the highest rainfall) is July (174mm).
The driest month (with the least rainfall) is January (21mm).
Average rainfall days in September
Sobue, Japan
- Average rainfall days in September: 15.2 days
The month with the highest number of rainy days is July (21.8 days).
The month with the least rainy days is January (7.7 days).
Average snowfall in September
Sobue, Japan
- Average snowfall in September: 0mm
The month with the highest snowfall is February (8mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Sobue, Japan
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.7 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
Sobue, 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 30min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 5h and 42min).
Average sunshine days in September
Sobue, Japan
- Average sunshine days in September: 12.5 days
The month with the most sunshine days is January (20.3 days).
The month with the least sunshine days is July (7.1 days).
Average UV index in September
Sobue, Japan
- Average UV index in September: 5
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in September
Sobue, Japan
- Average cloud cover in September: 39
The month with the most cloud cover is July (Cloud cover 48).
The month with the least cloud cover is November (Cloud cover 32).
Average visibility in September
Sobue, Japan
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, August, September, October, November and December (9km).
The months with the lowest visibility are June and July (8km).





