September weather forecastKasugai, Japan
September
Weather in September
September, the first month of the autumn in Kasugai, is also a moderately hot month, with an average temperature varying between 19.4°C (66.9°F) and 27.5°C (81.5°F).Temperature
The transition into September involves a small decrease in the average high-temperature, dipping slightly from a hot 32.3°C (90.1°F) in August to a moderately hot 27.5°C (81.5°F). In Kasugai, the average nighttime temperature during September is a comfortable 19.4°C (66.9°F).Heat index
For September, the heat index is appraised at a tropical 30°C (86°F). If one persists in activity during exposure, it could induce weariness and subsequently, heat cramps.It is emphasized that the heat index's values are meant for shaded zones with mild winds. Exposure to the direct sun could elevate the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is found by incorporating humidity levels into the air temperature measurement. This effect tends to be personal, with the weather perception differing among individuals due to variations in body mass, height, and exertion. Direct sunlight can potentially raise the heat index by 15 Fahrenheit (8 Celsius) degrees, so it's crucial to consider. Heat index values are highly important for children. Youngsters frequently overlook the need for breaks and fluid intake. Thirst is an advanced sign of dehydration - thereby highlighting the importance of keeping hydrated, particularly during long physical activities.
Humidity
In September, the average relative humidity is 75%.Rainfall
In Kasugai, in September, during 12.8 rainfall days, 80mm (3.15") of precipitation is typically accumulated. In Kasugai, during the entire year, the rain falls for 128.6 days and collects up to 730mm (28.74") of precipitation.Snowfall
March through November are months without snowfall.Daylight
The average length of the day in September is 12h and 25min.On the first day of the month, sunrise is at 05:24 and sunset at 18:19. On the last day of September, in Kasugai, Japan, sunrise is at 05:46 and sunset at 17:37 JST.
Sunshine
In September, the average sunshine is 8.8h.UV index
In Kasugai, the average daily maximum UV index in September is 5. 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: In September, the maximum UV index of 5 suggests this advice:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Experience reduced UV exposure by about half when donning a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Kasugai, Japan
- Average high temperature in September: 27.5°C
The warmest month (with the highest average high temperature) is August (32.3°C).
The month with the lowest average high temperature is January (7°C).
- Average low temperature in September: 19.4°C
The month with the highest average low temperature is August (23.6°C).
The coldest month (with the lowest average low temperature) is January (0.3°C).
Average pressure in September
Kasugai, Japan
- Average pressure in September: 1013.2mbar
The month with the highest atmospheric pressure is November (1019.2mbar).
The month with the lowest atmospheric pressure is June (1009.1mbar).
Average wind speed in September
Kasugai, Japan
- Average wind speed in September: 7.3km/h
The windiest month (with the highest average wind speed) is March (9.2km/h).
The calmest month (with the lowest average wind speed) is July (7km/h).
Average humidity in September
Kasugai, Japan
- Average humidity in September: 75%
The month with the highest relative humidity is July (78%).
The month with the lowest relative humidity is May (69%).
Average rainfall in September
Kasugai, Japan
- Average rainfall in September: 80mm
The wettest month (with the highest rainfall) is July (133mm).
The driest month (with the least rainfall) is January (17mm).
Average rainfall days in September
Kasugai, Japan
- Average rainfall days in September: 12.8 days
The month with the highest number of rainy days is July (17.5 days).
The month with the least rainy days is January (5.8 days).
Average snowfall in September
Kasugai, Japan
- Average snowfall in September: 0mm
The months with the highest snowfall are January and February (5mm).
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Kasugai, Japan
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (1.8 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).
Average daylight in September /
Average sunshine in September
Kasugai, 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 42min).
The month with the least sunshine is February (Average sunshine: 5h and 48min).
Average sunshine days in September
Kasugai, Japan
- Average sunshine days in September: 15.6 days
The month with the most sunshine days is January (23.2 days).
The month with the least sunshine days is July (11.8 days).
Average UV index in September
Kasugai, Japan
- Average UV index in September: 5
The months with the highest UV index are July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in September
Kasugai, Japan
- Average cloud cover in September: 36
The month with the most cloud cover is July (Cloud cover 45).
The month with the least cloud cover is November (Cloud cover 31).
Average visibility in September
Kasugai, Japan
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (9km).
The month with the lowest visibility is July (8km).
