September weather forecastDotocho, Japan
September
Weather in September
The first month of the autumn, September, is still a warm month in Dotocho, Japan, with an average temperature ranging between max 27.5°C (81.5°F) and min 20.4°C (68.7°F).Temperature
September's arrival aligns with a minor decrease in average high-temperatures, from August's tropical 31.7°C (89.1°F) to a warm 27.5°C (81.5°F). Dotocho experiences an average nighttime temperature of 20.4°C (68.7°F) in the month of September.Heat index
The heat index value during September is computed to be a hot 30°C (86°F). With sustained exposure and activity, exhaustion becomes probable, resulting in heat cramps.Research indicates the heat index considers values in shaded locales and with light winds. The heat index values could be amplified by up to 15 Fahrenheit (8 Celsius) degrees in direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'feels like', takes into account both air temperature and humidity to illustrate what people actually feel. The individual's experience of temperature can be shaped by numerous aspects such as metabolic variations, physical exertion, and attire. Realize that direct exposure to sunlight can augment the felt heat, leading to a potential increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Young ones are generally more prone to risk than adults due to their reduced ability to sweat. Their large skin surface area relative to their diminutive bodies and elevated heat production from their activities further enhance this risk.
Humidity
In Dotocho, the average relative humidity in September is 74%.Rainfall
In Dotocho, in September, during 12.8 rainfall days, 84mm (3.31") of precipitation is typically accumulated. In Dotocho, during the entire year, the rain falls for 140 days and collects up to 837mm (32.95") of precipitation.Snowfall
In Dotocho, snow does not fall in March through November.Daylight
The average length of the day in September is 12h and 24min.On the first day of September, sunrise is at 05:31 and sunset at 18:24. On the last day of the month, sunrise is at 05:51 and sunset at 17:43 JST.
Sunshine
In Dotocho, the average sunshine in September is 9h.UV index
The average daily maximum UV index in September is 6. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for the ordinary person.Note: In September, the UV index of 6 transforms into the following advice:
Steer clear of overexposure. Fair-skinned individuals can be scorched in less than 20 minutes. Limit direct sun exposure especially between 10 a.m. and 4 p.m., when UV radiation is at its peak. However, keep in mind that shade structures may not provide full sun protection. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Dotocho, Japan
- Average high temperature in September: 27.5°C
The warmest month (with the highest average high temperature) is August (31.7°C).
The month with the lowest average high temperature is January (7.8°C).
- Average low temperature in September: 20.4°C
The month with the highest average low temperature is August (24.8°C).
The coldest month (with the lowest average low temperature) is January (2.9°C).
Average pressure in September
Dotocho, Japan
- Average pressure in September: 1012.7mbar
The month with the highest atmospheric pressure is February (1019.7mbar).
The month with the lowest atmospheric pressure is June (1008.8mbar).
Average wind speed in September
Dotocho, Japan
- Average wind speed in September: 8.4km/h
The windiest month (with the highest average wind speed) is January (11.7km/h).
The calmest month (with the lowest average wind speed) is June (8.3km/h).
Average humidity in September
Dotocho, Japan
- Average humidity in September: 74%
The month with the highest relative humidity is July (77%).
The months with the lowest relative humidity are March, April and May (69%).
Average rainfall in September
Dotocho, Japan
- Average rainfall in September: 84mm
The wettest month (with the highest rainfall) is July (137mm).
The driest month (with the least rainfall) is January (32mm).
Average rainfall days in September
Dotocho, Japan
- Average rainfall days in September: 12.8 days
The month with the highest number of rainy days is July (16.7 days).
The months with the least rainy days are January and February (8 days).
Average snowfall in September
Dotocho, Japan
- Average snowfall in September: 0mm
The month with the highest snowfall is January (18mm).
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Dotocho, Japan
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (2.3 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
Dotocho, Japan
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in September: 9h and 0min
The month with the most sunshine is August (Average sunshine: 10h and 54min).
The months with the least sunshine are January and February (Average sunshine: 4h and 48min).
Average sunshine days in September
Dotocho, Japan
- Average sunshine days in September: 15.9 days
The month with the most sunshine days is January (20.4 days).
The month with the least sunshine days is July (12.3 days).
Average UV index in September
Dotocho, Japan
- Average UV index in September: 6
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
Dotocho, Japan
- Average cloud cover in September: 35
The month with the most cloud cover is January (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in September
Dotocho, Japan
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, August, September, October, November and December (10km).
The months with the lowest visibility are April, May, June and July (9km).
