September weather forecastMiyako, Japan
September
Weather in September
The first month of the autumn, September, is also an agreeable month in Miyako, Japan, with an average temperature fluctuating between 21.4°C (70.5°F) and 16.7°C (62.1°F).Temperature
The transition into September is accompanied by a slight temperature decrease, with the average high-temperature shifting from a warm 24.5°C (76.1°F) in August to a pleasant 21.4°C (70.5°F). During September, Miyako's nights hold steady with an average temperature of 16.7°C (62.1°F), barely dropping from the daytime highs.Humidity
The average relative humidity in September in Miyako is 83%.Rainfall
In Miyako, Japan, in September, it is raining for 13.6 days, with typically 73mm (2.87") of accumulated precipitation. In Miyako, during the entire year, the rain falls for 158.1 days and collects up to 819mm (32.24") of precipitation.Snowfall
In Miyako, snow does not fall in May through October.Sea temperature
In September, the average sea temperature is 21.1°C (70°F).Note: Most people do not enjoy swimming in water of 21.1°C (70°F). Breathing control becomes harder as the temperature descends from 21°C (69.8°F) to 15°C (59°F).
Daylight
In September, the average length of the day in Miyako is 12h and 28min.On the first day of the month, sunrise is at 05:00 and sunset at 18:03. On the last day of September, in Miyako, Japan, sunrise is at 05:27 and sunset at 17:16 JST.
Sunshine
In September, the average sunshine in Miyako is 7.7h.UV index
In Miyako, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the average person.Note: The daily high UV index of 5 in September translates into this advice:
Undertake precautions - Obligation exists to protect against skin and eye damage. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Watch out! Reflections from sand and water can surge UV radiation exposure.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Miyako, Japan
- Average high temperature in September: 21.4°C
The warmest month (with the highest average high temperature) is August (24.5°C).
The month with the lowest average high temperature is January (1.4°C).
- Average low temperature in September: 16.7°C
The month with the highest average low temperature is August (19.7°C).
The coldest month (with the lowest average low temperature) is February (-3.3°C).
Average pressure in September
Miyako, Japan
- Average pressure in September: 1013.9mbar
The month with the highest atmospheric pressure is November (1017.7mbar).
The month with the lowest atmospheric pressure is July (1009.3mbar).
Average wind speed in September
Miyako, Japan
- Average wind speed in September: 11.8km/h
The windiest months (with the highest average wind speed) are January and December (17.8km/h).
The calmest month (with the lowest average wind speed) is July (9.9km/h).
Average humidity in September
Miyako, Japan
- Average humidity in September: 83%
The month with the highest relative humidity is July (89%).
The month with the lowest relative humidity is December (71%).
Average rainfall in September
Miyako, Japan
- Average rainfall in September: 73mm
The wettest month (with the highest rainfall) is October (138mm).
The driest month (with the least rainfall) is November (38mm).
Average rainfall days in September
Miyako, Japan
- Average rainfall days in September: 13.6 days
The month with the highest number of rainy days is July (17.2 days).
The month with the least rainy days is February (9 days).
Average snowfall in September
Miyako, Japan
- Average snowfall in September: 0mm
The month with the highest snowfall is March (153mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Miyako, Japan
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (13 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in September
Miyako, Japan
- Average sea temperature in September: 21.1°C
The best month for swimming (with the highest average sea temperature) is August (22.2°C).
The coldest month (with the lowest average sea temperature) is March (6.7°C).
Average daylight in September /
Average sunshine in September
Miyako, Japan
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in September: 7h and 42min
The month with the most sunshine is May (Average sunshine: 9h and 18min).
The month with the least sunshine is February (Average sunshine: 5h and 12min).
Average sunshine days in September
Miyako, Japan
- Average sunshine days in September: 13.5 days
The month with the most sunshine days is May (16.9 days).
The month with the least sunshine days is February (11.6 days).
Average UV index in September
Miyako, Japan
- Average UV index in September: 5
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in September
Miyako, Japan
- Average cloud cover in September: 39
The month with the most cloud cover is July (Cloud cover 49).
The months with the least cloud cover are October and November (Cloud cover 34).
Average visibility in September
Miyako, Japan
- Average visibility in September: 9km
The months with the highest visibility are April, October and November (10km).
The month with the lowest visibility is July (8km).





