September weather forecastInuyama, Japan
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Inuyama, Japan, with an average temperature varying between 27°C (80.6°F) and 18.3°C (64.9°F).Temperature
September is characterized by a slight reduction in average high-temperature, easing from a hot 31.9°C (89.4°F) in August to a moderately hot 27°C (80.6°F). September nights in Inuyama cool down to an average low-temperature of 18.3°C (64.9°F).Heat index
In September, the heat index is evaluated at 29°C (84.2°F). If one remains active during constant exposure, it might cause exhaustion and heat cramps.The standards for the heat index are set for locations in shade and under light breezes. Direct sunlight might cause an increase of up to 15 Fahrenheit (8 Celsius) degrees in the heat index.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', evaluates the perceived heat by adding the effect of moisture in the air. This effect is personal, shaped by the individual's physical activity and heat sensitivity, influenced by factors including wind, clothing, and metabolic variances. When exposed to direct sunlight, it's possible for the heat index to increase by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.
Humidity
The average relative humidity in September in Inuyama is 77%.Rainfall
In September, in Inuyama, Japan, the rain falls for 14.4 days. Throughout September, 113mm (4.45") of precipitation is accumulated. Throughout the year, in Inuyama, there are 181.5 rainfall days, and 1229mm (48.39") of precipitation is accumulated.Snowfall
April through November are months without snowfall.Daylight
In September, the average length of the day is 12h and 25min.On the first day of September in Inuyama, sunrise is at 05:24 and sunset at 18:19. On the last day of the month, sunrise is at 05:46 and sunset at 17:37 JST.
Sunshine
In Inuyama, the average sunshine in September is 8.8h.UV index
In Inuyama, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.Note: A daily high UV index of 5 in September leads to these guidelines:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Inuyama, Japan
- Average high temperature in September: 27°C
The warmest month (with the highest average high temperature) is August (31.9°C).
The month with the lowest average high temperature is January (6.2°C).
- Average low temperature in September: 18.3°C
The month with the highest average low temperature is August (22.8°C).
The coldest month (with the lowest average low temperature) is January (-0.8°C).
Average pressure in September
Inuyama, Japan
- Average pressure in September: 1013.3mbar
The month with the highest atmospheric pressure is November (1019.3mbar).
The month with the lowest atmospheric pressure is June (1009.1mbar).
Average wind speed in September
Inuyama, Japan
- Average wind speed in September: 6.4km/h
The windiest months (with the highest average wind speed) are March and April (8km/h).
The calmest month (with the lowest average wind speed) is July (6km/h).
Average humidity in September
Inuyama, 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 (70%).
Average rainfall in September
Inuyama, Japan
- Average rainfall in September: 113mm
The wettest month (with the highest rainfall) is July (208mm).
The driest month (with the least rainfall) is January (47mm).
Average rainfall days in September
Inuyama, Japan
- Average rainfall days in September: 14.4 days
The month with the highest number of rainy days is July (18.8 days).
The month with the least rainy days is November (12.1 days).
Average snowfall in September
Inuyama, Japan
- Average snowfall in September: 0mm
The month with the highest snowfall is January (82mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Inuyama, Japan
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (8.2 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
Inuyama, 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 48min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 5h and 30min).
Average sunshine days in September
Inuyama, Japan
- Average sunshine days in September: 13.9 days
The month with the most sunshine days is May (15.7 days).
The month with the least sunshine days is December (9.1 days).
Average UV index in September
Inuyama, 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, February and December (UV index 2).
Average cloud cover in September
Inuyama, Japan
- Average cloud cover in September: 38
The month with the most cloud cover is July (Cloud cover 48).
The month with the least cloud cover is November (Cloud cover 33).
Average visibility in September
Inuyama, Japan
- Average visibility in September: 8km
The months with the highest visibility are January, February, March, April, May, August, October, November and December (9km).
The months with the lowest visibility are June, July and September (8km).
