September weather forecastKurayoshi, Japan

September

Weather in September

The first month of the autumn, September, is still a warm month in Kurayoshi, Japan, with temperature in the range of an average low of 18.6°C (65.5°F) and an average high of 24.6°C (76.3°F).

Temperature

With the arrival of September, Kurayoshi experiences a modest decline in average high-temperatures, transitioning from 29°C (84.2°F) in August to a still moderately hot 24.6°C (76.3°F). During September, an average low-temperature of 18.6°C (65.5°F) is observed.

Humidity

The average relative humidity in September is 82%.

Rainfall

In Kurayoshi, in September, during 16.7 rainfall days, 114mm (4.49") of precipitation is typically accumulated. Throughout the year, there are 195.3 rainfall days, and 985mm (38.78") of precipitation is accumulated.

Snowfall

April through November are months without snowfall.

Daylight

The average length of the day in September is 12h and 25min.
On the first day of September, sunrise is at 05:37 and sunset at 18:32. On the last day of the month, sunrise is at 05:58 and sunset at 17:50 JST.

Sunshine

In September, the average sunshine is 8.6h.

UV index

In September, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the ordinary person.
Note: In September, the UV index of 5 transforms into the following advice:
Be vigilant - A duty to shield skin and eyes from injury exists. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.

Frequently asked questions

September temperatures in Kurayoshi, Japan, vary between a high-temperature of 24.6°C (76.3°F) and a low-temperature of 18.6°C (65.5°F). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which represents the influence of relative humidity on air temperature, in August is calculated to be 35°C (95°F).

The average relative humidity in September in Kurayoshi, Japan, is 82%.

In Kurayoshi, during September, the rain falls for 16.7 days and regularly aggregates up to 114mm (4.49") of precipitation.

April through November are months without snowfall in Kurayoshi.

In Kurayoshi, the average day length in September is 12h and 25min.

In September, on the first day of the month, sunrise is at 05:37 and sunset at 18:32. On the last day of the month, in Kurayoshi, Japan, sunrise is at 05:58 and sunset at 17:50 JST.

The average sunshine duration in September in Kurayoshi is 8.6h.

The average daily maximum UV index in September in Kurayoshi, Japan, is 5. A UV Index estimate of 3 to 5 represents a moderate health threat from unprotected exposure to 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 snowfall
Average snowfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Kurayoshi, Japan

  • Average high temperature in September: 24.6°C

The warmest month (with the highest average high temperature) is August (29°C).
The month with the lowest average high temperature is January (5.7°C).

  • Average low temperature in September: 18.6°C

The month with the highest average low temperature is August (22.8°C).
The coldest month (with the lowest average low temperature) is February (1.5°C).

Average pressure in September
Kurayoshi, Japan

  • Average pressure in September: 1012.8mbar

The month with the highest atmospheric pressure is February (1020.5mbar).
The months with the lowest atmospheric pressure are June and July (1008.4mbar).

Average wind speed in September
Kurayoshi, Japan

  • Average wind speed in September: 9.2km/h

The windiest months (with the highest average wind speed) are January and December (14.1km/h).
The calmest month (with the lowest average wind speed) is June (7.7km/h).

Average humidity in September
Kurayoshi, Japan

  • Average humidity in September: 82%

The month with the highest relative humidity is July (85%).
The months with the lowest relative humidity are April and May (74%).

Average rainfall in September
Kurayoshi, Japan

  • Average rainfall in September: 114mm

The wettest month (with the highest rainfall) is July (147mm).
The driest months (with the least rainfall) are February, May and November (51mm).

Average rainfall days in September
Kurayoshi, Japan

  • Average rainfall days in September: 16.7 days

The month with the highest number of rainy days is July (21 days).
The month with the least rainy days is May (12.1 days).

Average snowfall in September
Kurayoshi, Japan

  • Average snowfall in September: 0mm

The month with the highest snowfall is January (192mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).

Average snowfall days in September
Kurayoshi, Japan

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (13.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in September /
Average sunshine in September
Kurayoshi, Japan

  • Average daylight in September: 12h and 24min

The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).

  • Average sunshine in September: 8h and 36min

The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).

Average sunshine days in September
Kurayoshi, Japan

  • Average sunshine days in September: 11.5 days

The month with the most sunshine days is May (17 days).
The month with the least sunshine days is January (3.8 days).

Average UV index in September
Kurayoshi, Japan

  • Average UV index in September: 5

The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February and December (UV index 2).

Average cloud cover in September
Kurayoshi, Japan

  • Average cloud cover in September: 41

The month with the most cloud cover is January (Cloud cover 66).
The month with the least cloud cover is May (Cloud cover 34).

Average visibility in September
Kurayoshi, Japan

  • Average visibility in September: 9km

The months with the highest visibility are October and November (10km).
The month with the lowest visibility is July (8km).