September weather forecast
Minamiuebaru, Japan

September

Weather in September

September, the first month of the autumn in Minamiuebaru, is also a moderately hot month, with an average temperature varying between 27.5°C (81.5°F) and 28.6°C (83.5°F).

Temperature

During September, Minamiuebaru observes a subtle ascent to a still warm 28.6°C (83.5°F) from August's 29.4°C (84.9°F) in the average high-temperature. In Minamiuebaru, September nights maintain a consistent temperature, with an average low of 27.5°C (81.5°F).

Heat index

The heat index value for September is appraised at a tropical 33°C (91.4°F). Use additional protective measures, heat cramps and heat exhaustion are possible outcomes. Continuous activity might lead to heatstroke.
One should be cognizant that the heat index values are tailored for shaded spots and mild winds. A direct sunlight exposure may boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is an indicator that blends the effects of temperature and humidity to depict perceived warmth. Additional elements encompassing metabolic differences, the degree of physical activity, and attire can impact the individual's perception of temperature. Keep in mind that direct sunshine exposure can amplify the weather's effects, possibly increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Young ones are generally at greater risk than adults due to their limited sweating ability. In addition, their large skin surface relative to their small bodies and higher heat production from their activities add to their vulnerability.

Humidity

The average relative humidity in September is 79%.

Rainfall

In Minamiuebaru, Japan, during September, the rain falls for 19.3 days and regularly aggregates up to 128mm (5.04") of precipitation. Throughout the year, in Minamiuebaru, there are 227.3 rainfall days, and 1392mm (54.8") of precipitation is accumulated.

Daylight

In Minamiuebaru, the average length of the day in September is 12h and 19min.
On the first day of the month, sunrise is at 06:08 and sunset at 18:48. On the last day of September, sunrise is at 06:20 and sunset at 18:16 JST.

Sunshine

In September, the average sunshine is 8.6h.

UV index

The months with the highest UV index in Minamiuebaru, Japan, are June through September, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for the ordinary person.
Note: In September, the maximum UV index of 7 transforms into these recommendations:
Persist with safeguards and heed sun safety doctrines. Keeping sunburn at bay is of prime importance. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. A hat with a broad brim is indispensable, filtering out up to half of UV rays.

Frequently asked questions

Is it hot in Minamiuebaru during September?
Minamiuebaru in September has an average high-temperature of 28.6°C (83.5°F) and an average low-temperature of 27.5°C (81.5°F). In September, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, is appraised at 33°C (91.4°F).
What is the average humidity in September in Minamiuebaru?
In Minamiuebaru, Japan, the average relative humidity in September is 79%.
How much does it rain in Minamiuebaru in September?
In Minamiuebaru, in September, during 19.3 rainfall days, 128mm (5.04") of precipitation is typically accumulated.
What is the average length of the day in September in Minamiuebaru?
In September, the average day length in Minamiuebaru, Japan, is 12h and 19min.
When are sunrise and sunset in September in Minamiuebaru?
In September, on the first day of the month, sunrise is at 06:08 and sunset at 18:48. On the last day of the month, sunrise is at 06:20 and sunset at 18:16 JST.
How long on average sun shines in September in Minamiuebaru?
In Minamiuebaru, Japan, the average sunshine duration in September is 8.6h.
When is the highest UV index in Minamiuebaru?
June through September, with an average maximum UV index of 7, are months with the highest UV index in Minamiuebaru, Japan.
How high is the UV index in September in Minamiuebaru?
In September, the average daily maximum UV index is 7. A UV Index estimate of 6 to 7 represents a high health threat from exposure to the Sun's UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in September - Minamiuebaru, Japan
Average temperature in September
Minamiuebaru, Japan
  • Average high temperature in September: 28.6°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 (19°C).

  • Average low temperature in September: 27.5°C

The month with the highest average low temperature is August (28.3°C).
The coldest month (with the lowest average low temperature) is January (16.8°C).

Average pressure in September - Minamiuebaru, Japan
Average pressure in September
Minamiuebaru, Japan
  • Average pressure in September: 1009.1mbar

The month with the highest atmospheric pressure is January (1020.8mbar).
The month with the lowest atmospheric pressure is August (1006.6mbar).

Average wind speed in September - Minamiuebaru, Japan
Average wind speed in September
Minamiuebaru, Japan
  • Average wind speed in September: 22.9km/h

The windiest month (with the highest average wind speed) is December (27.9km/h).
The calmest month (with the lowest average wind speed) is May (19.8km/h).

Average humidity in September - Minamiuebaru, Japan
Average humidity in September
Minamiuebaru, Japan
  • Average humidity in September: 79%

The month with the highest relative humidity is June (87%).
The month with the lowest relative humidity is January (72%).

Average rainfall in September - Minamiuebaru, Japan
Average rainfall in September
Minamiuebaru, Japan
  • Average rainfall in September: 128mm

The wettest month (with the highest rainfall) is June (207mm).
The driest month (with the least rainfall) is February (58mm).

Average rainfall days in September - Minamiuebaru, Japan
Average rainfall days in September
Minamiuebaru, Japan
  • Average rainfall days in September: 19.3 days

The months with the highest number of rainy days are January and June (21.5 days).
The month with the least rainy days is April (16.4 days).

Average daylight in September / Average sunshine in September - Minamiuebaru, Japan
Average daylight in September /
Average sunshine in September
Minamiuebaru, Japan
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 13h and 48min).
The month with the shortest days is December (Average daylight: 10h and 30min).

  • Average sunshine in September: 8h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).

Average sunshine days in September - Minamiuebaru, Japan
Average sunshine days in September
Minamiuebaru, Japan
  • Average sunshine days in September: 7.3 days

The month with the most sunshine days is April (11.3 days).
The month with the least sunshine days is January (6 days).

Average UV index in September - Minamiuebaru, Japan
Average UV index in September
Minamiuebaru, Japan
  • Average UV index in September: 7

The months with the highest UV index are June, July, August and September (UV index 7).
The month with the lowest UV index is December (UV index 4).

Average cloud cover in September - Minamiuebaru, Japan
Average cloud cover in September
Minamiuebaru, Japan
  • Average cloud cover in September: 36

The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is July (Cloud cover 34).

Average visibility in September - Minamiuebaru, Japan
Average visibility in September
Minamiuebaru, 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).

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