Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average sea temperature in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
September commences with an average high-temperature of a still warm 27.7°C (81.9°F), showing little deviation from August's 28.8°C (83.8°F). Miyanoura's September nights witness minimal differential from the daytime temperatures, with averages of 26.5°C (79.7°F).Heat index
For most parts of September, the heat index is computed to be a hot 31°C (87.8°F). One might feel worn out with persistent exposure and activity, resulting in heat cramps.Take note of the fact that heat index values are based on shaded circumstances with light airflows. Exposure to the direct sun could elevate the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is a value derived by merging air temperature with the humidity to convey how the climate feels. One's perception of temperature can vary depending on physical activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. It is noteworthy that being in direct sunlight can enhance the weather's impact, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it's vital to remain hydrated, particularly during prolonged physical activities.
Humidity
In September, the average relative humidity in Miyanoura is 77%.Rainfall
In Miyanoura, in September, during 19.4 rainfall days, 121mm (4.76") of precipitation is typically accumulated. Throughout the year, there are 222.2 rainfall days, and 1453mm (57.2") of precipitation is accumulated.Sea temperature
In Miyanoura, Japan, the average seawater temperature in September is 28°C (82.4°F).Note: For any water activity, having surface water temperatures from 25°C (77°F) to 29°C (84.2°F) is considered outstanding and highly delightful for lengthened periods.
Daylight
In September, the average length of the day in Miyanoura is 12h and 21min.On the first day of the month, sunrise is at 05:54 and sunset at 18:40. On the last day of September, sunrise is at 06:10 and sunset at 18:04 JST.
Sunshine
The average sunshine in September in Miyanoura is 8.5h.UV index
July through September, with an average maximum UV index of 7, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: In September, the maximum UV index of 7 suggests these recommendations:
Uphold preventive measures and conform to sun safety guidelines. Defending against skin and eye harm is crucial. Seek shade and limit direct Sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its peak, but be aware that not all shade structures provide complete sun protection. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Alert! UV radiation becomes sharper due to reflections from sand and water.
Frequently asked questions
What is the temperature in September in Miyanoura?
What is the average humidity in September in Miyanoura?
How many days does it rain in September in Miyanoura?
What is the sea water temperature in September in Miyanoura?
How many hours of daylight does Miyanoura have in September?
When is the sunrise / sunset in September in Miyanoura?
How many hours of sunshine does Miyanoura have in September?
What is the month with the highest UV index in Miyanoura?
What is the UV index intensity in September in Miyanoura?
Average temperature in September
Miyanoura, Japan
- Average high temperature in September: 27.7°C
The warmest month (with the highest average high temperature) is August (28.8°C).
The month with the lowest average high temperature is January (14.8°C).
- Average low temperature in September: 26.5°C
The month with the highest average low temperature is August (27.9°C).
The coldest month (with the lowest average low temperature) is January (12.6°C).
Average pressure in September
Miyanoura, Japan
- Average pressure in September: 1010.6mbar
The month with the highest atmospheric pressure is January (1020.8mbar).
The months with the lowest atmospheric pressure are June and August (1008.1mbar).
Average wind speed in September
Miyanoura, Japan
- Average wind speed in September: 22.1km/h
The windiest month (with the highest average wind speed) is January (29.6km/h).
The calmest month (with the lowest average wind speed) is July (19.2km/h).
Average humidity in September
Miyanoura, Japan
- Average humidity in September: 77%
The month with the highest relative humidity is July (84%).
The months with the lowest relative humidity are January, March, November and December (70%).
Average rainfall in September
Miyanoura, Japan
- Average rainfall in September: 121mm
The wettest month (with the highest rainfall) is June (283mm).
The driest month (with the least rainfall) is January (80mm).
Average rainfall days in September
Miyanoura, Japan
- Average rainfall days in September: 19.4 days
The month with the highest number of rainy days is June (21.8 days).
The month with the least rainy days is May (14.6 days).
Average sea temperature in September
Miyanoura, Japan
- Average sea temperature in September: 28°C
The best month for swimming (with the highest average sea temperature) is August (29°C).
The coldest month (with the lowest average sea temperature) is February (20°C).
Average daylight in September /
Average sunshine in September
Miyanoura, Japan
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 6min).
The month with the shortest days is December (Average daylight: 10h and 12min).
- Average sunshine in September: 8h and 3min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in September
Miyanoura, Japan
- Average sunshine days in September: 7.7 days
The month with the most sunshine days is May (14.8 days).
The month with the least sunshine days is December (6.2 days).
Average UV index in September
Miyanoura, Japan
- Average UV index in September: 7
The months with the highest UV index are July, August and September (UV index 7).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in September
Miyanoura, Japan
- Average cloud cover in September: 41
The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility in September
Miyanoura, Japan
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
Miyanoura, Japan
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