September weather forecastUrasoe, Japan

September

Weather in September

September, the first month of the autumn in Urasoe, is also a moderately hot month, with temperature in the range of an average high of 28.7°C (83.7°F) and an average low of 27.3°C (81.1°F).

Temperature

Urasoe, Japan, notes an average high-temperature of a still warm 28.7°C (83.7°F) in September, displaying minor variation from August. Nights during September maintain a steady temperature, averaging at a still moderately hot 27.3°C (81.1°F).

Heat index

September's mean heat index is appraised at a hot 34°C (93.2°F). Take more safety measures, heat exhaustion and heat cramps are potential outcomes. Persistent activity might lead to heatstroke.
Understanding the heat index involves considering values for shaded locales with light wind. Being under direct sunlight might amplify the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', joins air temperature with relative humidity to produce a temperature perception for humans. The influence of weather can be personal, changing with an individual's body mass, height, and level of physical exertion. It is essential to realize that direct sunlight can escalate the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Kids are usually more vulnerable than adults, given their lesser sweating ability. Along with their larger skin surface relative to their small stature and the excess heat due to their activity, their risk is amplified.

Humidity

In Urasoe, the average relative humidity in September is 79%.

Rainfall

In Urasoe, Japan, during September, the rain falls for 20 days and regularly aggregates up to 141mm (5.55") of precipitation. In Urasoe, during the entire year, the rain falls for 228 days and collects up to 1405mm (55.31") of precipitation.

Daylight

In Urasoe, the average length of the day in September is 12h and 19min.
On the first day of the month, sunrise is at 06:09 and sunset at 18:49. On the last day of September, sunrise is at 06:21 and sunset at 18:16 JST.

Sunshine

In Urasoe, the average sunshine in September is 8.3h.

UV index

June through September, with an average maximum UV index of 7, are months with the highest UV index in Urasoe. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for ordinary individuals.
Note: A typical high UV index of 7 in September suggests the following recommendations:
Endorse precautions and be consistent with sun safety guidelines. Preventing sunburn is paramount. The hours from 10 a.m. to 4 p.m. have the most intense UV radiation. As much as possible, limit direct sun exposure during this period. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.

Frequently asked questions

Urasoe in September has an average high-temperature of 28.7°C (83.7°F) and an average low-temperature of 27.3°C (81.1°F). In September, the average heat index (a.k.a. 'feels like', 'real feel'), which calculates the temperature value influenced by the moisture in the air, is appraised at 34°C (93.2°F).

In Urasoe, Japan, the average relative humidity in September is 79%.

In September, the rain falls for 20 days. Throughout September, 141mm (5.55") of precipitation is accumulated.

In September, the average day length in Urasoe, Japan, is 12h and 19min.

On the first day of September in Urasoe, Japan, sunrise is at 06:09 and sunset at 18:49. On the last day of the month, sunrise is at 06:21 and sunset at 18:16 JST.

The average sunshine duration in September in Urasoe is 8.3h.

The months with the highest UV index are June through September, with an average maximum UV index of 7.

In September, the average daily maximum UV index in Urasoe, Japan, is 7. A UV Index estimate of 6 to 7 represents a high health vulnerability 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 sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Urasoe, Japan

  • Average high temperature in September: 28.7°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: 27.3°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
Urasoe, Japan

  • Average pressure in September: 1009mbar

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
Urasoe, Japan

  • Average wind speed in September: 22.3km/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
Urasoe, 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
Urasoe, Japan

  • Average rainfall in September: 141mm

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
Urasoe, Japan

  • Average rainfall days in September: 20 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
Urasoe, Japan

  • Average daylight in September: 12h and 18min

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 18min

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
Urasoe, Japan

  • Average sunshine days in September: 6.9 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
Urasoe, 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
Urasoe, Japan

  • Average cloud cover in September: 38

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
Urasoe, 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).