September weather forecastTsunagi, Japan
September
Weather in September
September, the first month of the autumn in Tsunagi, is still a warm month, with an average temperature varying between 26.6°C (79.9°F) and 21.1°C (70°F).Temperature
As September takes hold, the average high-temperature is a still moderately hot 26.6°C (79.9°F), nearly mirroring that of the previous month. Throughout the September nights, Tsunagi encounters a low-temperature of 21.1°C (70°F).Humidity
The average relative humidity in September in Tsunagi is 78%.Rainfall
In September, the rain falls for 17.5 days. Throughout September, 111mm (4.37") of precipitation is accumulated. Throughout the year, in Tsunagi, there are 182.8 rainfall days, and 1440mm (56.69") of precipitation is accumulated.Snowfall
In Tsunagi, snow does not fall in April through November.Daylight
In September, the average length of the day in Tsunagi, Japan, is 12h and 22min.On the first day of the month, sunrise is at 05:53 and sunset at 18:42. On the last day of September, in Tsunagi, sunrise is at 06:11 and sunset at 18:04 JST.
Sunshine
The average sunshine in September in Tsunagi is 8.8h.UV index
The average daily maximum UV index in September in Tsunagi is 6. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for average individuals.Note: The daily maximum UV index of 6 in September interprets into the following advice:
Apply measures and align with sun safety principles. Safeguarding against skin and eye injury is pivotal. Avoid direct sunlight between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Keep in mind that shade structures may not provide complete protection. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Tsunagi, Japan
- Average high temperature in September: 26.6°C
The warmest month (with the highest average high temperature) is August (29.4°C).
The month with the lowest average high temperature is January (9°C).
- Average low temperature in September: 21.1°C
The month with the highest average low temperature is August (24.2°C).
The coldest month (with the lowest average low temperature) is January (3.8°C).
Average pressure in September
Tsunagi, Japan
- Average pressure in September: 1011.7mbar
The month with the highest atmospheric pressure is January (1021.7mbar).
The month with the lowest atmospheric pressure is June (1008.2mbar).
Average wind speed in September
Tsunagi, Japan
- Average wind speed in September: 9.2km/h
The windiest month (with the highest average wind speed) is December (12.5km/h).
The calmest month (with the lowest average wind speed) is June (8.2km/h).
Average humidity in September
Tsunagi, Japan
- Average humidity in September: 78%
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is March (71%).
Average rainfall in September
Tsunagi, Japan
- Average rainfall in September: 111mm
The wettest month (with the highest rainfall) is June (303mm).
The driest month (with the least rainfall) is January (51mm).
Average rainfall days in September
Tsunagi, Japan
- Average rainfall days in September: 17.5 days
The month with the highest number of rainy days is July (22.9 days).
The month with the least rainy days is January (10.3 days).
Average snowfall in September
Tsunagi, Japan
- Average snowfall in September: 0mm
The month with the highest snowfall is January (19mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Tsunagi, Japan
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (2.4 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
Tsunagi, Japan
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).
- Average sunshine in September: 8h and 48min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).
Average sunshine days in September
Tsunagi, Japan
- Average sunshine days in September: 9.5 days
The month with the most sunshine days is October (18.2 days).
The month with the least sunshine days is July (5.9 days).
Average UV index in September
Tsunagi, Japan
- Average UV index in September: 6
The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in September
Tsunagi, Japan
- Average cloud cover in September: 37
The month with the most cloud cover is June (Cloud cover 51).
The month with the least cloud cover is October (Cloud cover 31).
Average visibility in September
Tsunagi, 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).
