September weather forecastKaizu, Japan
September weather for Kaizu, Japan: The first month of the autumn, September, is still a warm month in Kaizu, Japan, with an average temperature fluctuating between 27°C (80.6°F) and 19.5°C (67.1°F). In Kaizu, Japan, in September, during 15.2 rainfall days, 105mm (4.13") of precipitation is typically accumulated.
September
Weather in September
The first month of the autumn, September, is still a warm month in Kaizu, Japan, with an average temperature fluctuating between 27°C (80.6°F) and 19.5°C (67.1°F).Temperature
Kaizu in September experiences a gentle temperature dip, with average high-temperatures reducing from a tropical 31.5°C (88.7°F) in August to a moderately hot 27°C (80.6°F). September nights are marked by an average low-temperature of 19.5°C (67.1°F).Heat index
The average heat index in September is calculated to be 29°C (84.2°F). Exposure and extended activity could potentially cause a state of fatigue and lead to heat cramps.Know that the heat index computations account for shaded terrains and slight winds. Exposure to the direct sun might augment heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. The influence of weather can be personal, changing with an individual's body mass, height, and level of physical exertion. Direct exposure to the sun's rays can enhance the felt temperature, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Youngsters are usually more at risk than adults, considering they sweat less. Additionally, their high skin surface area compared to their little bodies and their high heat production due to activity increases their risk.
Humidity
The average relative humidity in September is 77%.Rainfall
In Kaizu, Japan, in September, during 15.2 rainfall days, 105mm (4.13") of precipitation is typically accumulated. Throughout the year, in Kaizu, there are 157.2 rainfall days, and 936mm (36.85") of precipitation is accumulated.Snowfall
April through November are months without snowfall.Daylight
The average length of the day in September in Kaizu is 12h and 25min.On the first day of September, sunrise is at 05:26 and sunset at 18:20. On the last day of the month, sunrise is at 05:47 and sunset at 17:39 JST.
Sunshine
In September, the average sunshine in Kaizu is 8.5h.UV index
In September, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for average individuals.Note: The maximum daily UV index, 5 in September, converts into the following recommendations:
Act with care - Obligation to protect against skin and eye damage is highlighted. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Kaizu, 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
Kaizu, 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
Kaizu, 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
Kaizu, 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
Kaizu, 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
Kaizu, 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
Kaizu, 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
Kaizu, 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
Kaizu, 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
Kaizu, 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
Kaizu, 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
Kaizu, 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
Kaizu, 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).
