September weather forecastTadotsu, Japan
September
Weather in September
The first month of the autumn, September, is still a warm month in Tadotsu, Japan, with an average temperature ranging between max 25.6°C (78.1°F) and min 20.1°C (68.2°F).Temperature
The commencement of September indicates a gentle shift in the average high-temperature, receding from August's moderately hot 29.8°C (85.6°F) to a still warm 25.6°C (78.1°F). September nights in Tadotsu experience a consistent temperature drop to an agreeable 20.1°C (68.2°F).Humidity
The average relative humidity in September is 78%.Rainfall
In Tadotsu, during September, the rain falls for 17.5 days and regularly aggregates up to 117mm (4.61") of precipitation. In Tadotsu, Japan, during the entire year, the rain falls for 170.9 days and collects up to 863mm (33.98") of precipitation.Snowfall
March through November are months without snowfall in Tadotsu.Sea temperature
In Tadotsu, Japan, in September, the average water temperature is 26.3°C (79.3°F).Note: Water activities including swimming and diving are pleasurable in temperatures between 25°C (77°F) and 29°C (84.2°F), ensuring comfort and enjoyment for extended time frames.
Daylight
In Tadotsu, the average length of the day in September is 12h and 24min.On the first day of the month, sunrise is at 05:38 and sunset at 18:31. On the last day of September, sunrise is at 05:58 and sunset at 17:50 JST.
Sunshine
The average sunshine in September is 9.2h.UV index
In Tadotsu, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: In September, the UV index of 5 transforms into the following advice:
Prioritize safety - Suggestions to prevent sun damage are offered. To protect against the Sun's most potent rays, avoid direct exposure around midday. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Be vigilant! The Sun's UV rays get a boost from sand and water reflections.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Tadotsu, Japan
- Average high temperature in September: 25.6°C
The warmest month (with the highest average high temperature) is August (29.8°C).
The month with the lowest average high temperature is January (7.6°C).
- Average low temperature in September: 20.1°C
The month with the highest average low temperature is August (24.1°C).
The coldest month (with the lowest average low temperature) is January (2.5°C).
Average pressure in September
Tadotsu, Japan
- Average pressure in September: 1012.5mbar
The month with the highest atmospheric pressure is January (1020.5mbar).
The month with the lowest atmospheric pressure is June (1008.5mbar).
Average wind speed in September
Tadotsu, Japan
- Average wind speed in September: 8.3km/h
The windiest month (with the highest average wind speed) is January (14km/h).
The calmest month (with the lowest average wind speed) is June (7.3km/h).
Average humidity in September
Tadotsu, Japan
- Average humidity in September: 78%
The month with the highest relative humidity is July (81%).
The months with the lowest relative humidity are March and April (70%).
Average rainfall in September
Tadotsu, Japan
- Average rainfall in September: 117mm
The wettest month (with the highest rainfall) is July (145mm).
The driest month (with the least rainfall) is January (26mm).
Average rainfall days in September
Tadotsu, Japan
- Average rainfall days in September: 17.5 days
The month with the highest number of rainy days is July (23.3 days).
The month with the least rainy days is February (9.3 days).
Average snowfall in September
Tadotsu, Japan
- Average snowfall in September: 0mm
The month with the highest snowfall is February (21mm).
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Tadotsu, Japan
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (3.4 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average sea temperature in September
Tadotsu, Japan
- Average sea temperature in September: 26.3°C
The best month for swimming (with the highest average sea temperature) is August (27.3°C).
The coldest month (with the lowest average sea temperature) is February (14.5°C).
Average daylight in September /
Average sunshine in September
Tadotsu, 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 12min
The month with the most sunshine is August (Average sunshine: 11h and 0min).
The months with the least sunshine are January and December (Average sunshine: 5h and 24min).
Average sunshine days in September
Tadotsu, Japan
- Average sunshine days in September: 8.8 days
The month with the most sunshine days is May (18 days).
The month with the least sunshine days is July (4.8 days).
Average UV index in September
Tadotsu, 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
Tadotsu, Japan
- Average cloud cover in September: 37
The months with the most cloud cover are January, February and December (Cloud cover 40).
The months with the least cloud cover are May and August (Cloud cover 30).
Average visibility in September
Tadotsu, Japan
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, May, August, September, October, November and December (10km).
The months with the lowest visibility are April, June and July (9km).
