September weather forecastMifune, Japan
September
Weather in September
The first month of the autumn, September, is still a warm month in Mifune, Japan, with an average temperature fluctuating between 19.9°C (67.8°F) and 27.2°C (81°F).Temperature
September's arrival comes with a mild decrease in the average high-temperature, moving subtly from a tropical 30.4°C (86.7°F) in August to a moderately hot 27.2°C (81°F). Mifune, in September, observes a steady average low-temperature of 19.9°C (67.8°F).Heat index
The heat index in September is evaluated at a hot 30°C (86°F). Continuous exposure and activity could induce a sense of tiredness and subsequently, heat cramps.It is important to note that the heat index values are for shaded areas and light wind scenarios. Direct exposure to sunlight could raise the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is the outcome of merging air's temperature and its humidity metrics. A person's impression of weather can be shaped by many aspects, among them metabolic variations, pregnancy, and levels of physical activity. When in direct sunlight, one should be cautious as it can raise the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Children often miss understanding the importance of rest and rehydration. Thirst usually appears late during dehydration - therefore, maintaining hydration, particularly during long physical activities, is essential.
Humidity
In Mifune, the average relative humidity in September is 77%.Rainfall
In Mifune, during September, the rain falls for 16.4 days and regularly aggregates up to 80mm (3.15") of precipitation. Throughout the year, in Mifune, Japan, there are 180.3 rainfall days, and 1038mm (40.87") of precipitation is accumulated.Snowfall
In Mifune, snow does not fall in April through November.Daylight
The average length of the day in September in Mifune is 12h and 23min.On the first day of the month, sunrise is at 05:51 and sunset at 18:41. On the last day of September, in Mifune, sunrise is at 06:10 and sunset at 18:03 JST.
Sunshine
In September, the average sunshine in Mifune, Japan, is 8.8h.UV index
In Mifune, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In September, a regular UV index of 5 translates into these guidelines:
Take necessary precautions - Defending against sun damage is advocated. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. 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
Mifune, Japan
- Average high temperature in September: 27.2°C
The warmest month (with the highest average high temperature) is August (30.4°C).
The month with the lowest average high temperature is January (8.3°C).
- Average low temperature in September: 19.9°C
The month with the highest average low temperature is August (23.3°C).
The coldest month (with the lowest average low temperature) is January (1.7°C).
Average pressure in September
Mifune, Japan
- Average pressure in September: 1011.7mbar
The month with the highest atmospheric pressure is January (1021.8mbar).
The month with the lowest atmospheric pressure is June (1008.2mbar).
Average wind speed in September
Mifune, Japan
- Average wind speed in September: 7.6km/h
The windiest month (with the highest average wind speed) is March (8.7km/h).
The calmest month (with the lowest average wind speed) is June (7km/h).
Average humidity in September
Mifune, Japan
- Average humidity in September: 77%
The month with the highest relative humidity is July (83%).
The months with the lowest relative humidity are March and April (72%).
Average rainfall in September
Mifune, Japan
- Average rainfall in September: 80mm
The wettest month (with the highest rainfall) is June (216mm).
The driest month (with the least rainfall) is January (36mm).
Average rainfall days in September
Mifune, Japan
- Average rainfall days in September: 16.4 days
The month with the highest number of rainy days is July (23.4 days).
The month with the least rainy days is January (10.5 days).
Average snowfall in September
Mifune, Japan
- Average snowfall in September: 0mm
The month with the highest snowfall is January (16mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Mifune, Japan
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (3.3 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
Mifune, Japan
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in September: 8h and 48min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).
Average sunshine days in September
Mifune, Japan
- Average sunshine days in September: 11.1 days
The month with the most sunshine days is October (18.1 days).
The month with the least sunshine days is July (4.9 days).
Average UV index in September
Mifune, 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
Mifune, Japan
- Average cloud cover in September: 37
The month with the most cloud cover is June (Cloud cover 50).
The month with the least cloud cover is October (Cloud cover 31).
Average visibility in September
Mifune, Japan
- Average visibility in September: 9km
The month with the highest visibility is November (10km).
The months with the lowest visibility are June and July (8km).





