September weather forecastFutto, Japan
September
Weather in September
September, the first month of the autumn in Futto, is also a moderately hot month, with an average temperature varying between 21.1°C (70°F) and 27.4°C (81.3°F).Temperature
September indicates a minor shift in the average high-temperature, from August's tropical 31.4°C (88.5°F) to a moderately hot 27.4°C (81.3°F). Futto records an average temperature drop to an agreeable 21.1°C (70°F) in September.Heat index
During September, the heat index is computed to be a tropical 30°C (86°F). Continuous exposure and activity could induce a sense of tiredness and subsequently, heat cramps.It is worth noting that heat index values are gauged for conditions in the shade and light breezes. A direct sunlight exposure may boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is a fusion of air temperature and moisture levels to demonstrate the sensation of heat. The impact of temperature is individual, as people's perception of weather may change based on their body mass, height, and physical activity. Remember, direct sunlight exposure can heighten the heat impact and might increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Typically, young kids are at a higher risk than adults since they sweat less. Also, the larger skin surface in proportion to their small bodies and the heightened heat production due to their active nature adds to their vulnerability.
Humidity
In September, the average relative humidity is 75%.Rainfall
In September, the rain falls for 15.5 days. Throughout September, 98mm (3.86") of precipitation is accumulated. Throughout the year, there are 156 rainfall days, and 899mm (35.39") of precipitation is accumulated.Snowfall
March through November are months without snowfall.Daylight
In Futto, the average length of the day in September is 12h and 24min.On the first day of September, sunrise is at 05:25 and sunset at 18:19. On the last day of the month, sunrise is at 05:46 and sunset at 17:38 JST.
Sunshine
The average sunshine in September is 8.7h.UV index
In Futto, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: In September, the UV index of 5 transforms into the following advice:
Exercise care. People with light skin might get burns in fewer than 30 minutes. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Opt for tightly woven and loose clothing to enhance protection from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Futto, Japan
- Average high temperature in September: 27.4°C
The warmest month (with the highest average high temperature) is August (31.4°C).
The month with the lowest average high temperature is January (8.3°C).
- Average low temperature in September: 21.1°C
The month with the highest average low temperature is August (25°C).
The coldest month (with the lowest average low temperature) is January (2.6°C).
Average pressure in September
Futto, Japan
- Average pressure in September: 1013.1mbar
The month with the highest atmospheric pressure is November (1019.1mbar).
The month with the lowest atmospheric pressure is June (1009mbar).
Average wind speed in September
Futto, Japan
- Average wind speed in September: 10.2km/h
The windiest month (with the highest average wind speed) is January (14.3km/h).
The calmest month (with the lowest average wind speed) is July (9.1km/h).
Average humidity in September
Futto, Japan
- Average humidity in September: 75%
The month with the highest relative humidity is July (80%).
The month with the lowest relative humidity is February (69%).
Average rainfall in September
Futto, Japan
- Average rainfall in September: 98mm
The wettest month (with the highest rainfall) is July (161mm).
The driest month (with the least rainfall) is January (27mm).
Average rainfall days in September
Futto, Japan
- Average rainfall days in September: 15.5 days
The month with the highest number of rainy days is July (20.5 days).
The month with the least rainy days is November (8.6 days).
Average snowfall in September
Futto, Japan
- Average snowfall in September: 0mm
The month with the highest snowfall is January (15mm).
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Futto, Japan
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (2.7 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
Futto, 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 54min).
- Average sunshine in September: 8h and 42min
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
Futto, Japan
- Average sunshine days in September: 12.1 days
The month with the most sunshine days is November (18.6 days).
The month with the least sunshine days is July (7.8 days).
Average UV index in September
Futto, 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
Futto, Japan
- Average cloud cover in September: 37
The month with the most cloud cover is July (Cloud cover 43).
The month with the least cloud cover is November (Cloud cover 31).
Average visibility in September
Futto, Japan
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, November and December (10km).
The months with the lowest visibility are April, May, June, July, August, September and October (9km).





