September weather forecastKurisu, Japan

September

Weather in September

September, the first month of the autumn in Kurisu, is still a warm month, with an average temperature varying between 25°C (77°F) and 17.8°C (64°F).

Temperature

Kurisu's September weather features a light decline in high-temperatures, reducing from a warm 29.3°C (84.7°F) in August to a still moderately hot 25°C (77°F). Throughout September, Kurisu encounters an average temperature drop to an enjoyable 17.8°C (64°F).

Humidity

In September, the average relative humidity is 83%.

Rainfall

In Kurisu, during September, the rain falls for 15.4 days and regularly aggregates up to 105mm (4.13") of precipitation. In Kurisu, during the entire year, the rain falls for 174 days and collects up to 1174mm (46.22") of precipitation.

Snowfall

April through November are months without snowfall.

Daylight

In September, the average length of the day is 12h and 24min.
On the first day of September, sunrise is at 05:44 and sunset at 18:37. On the last day of the month, sunrise is at 06:05 and sunset at 17:57 JST.

Sunshine

In Kurisu, the average sunshine in September is 8.7h.

UV index

In September, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: An average maximum UV index of 5 in September leads to these recommendations:
Undertake protective steps - Preventing sun damage is advised. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.

Frequently asked questions

During September, Kurisu experiences an average high-temperature of 25°C (77°F) and a low-temperature of 17.8°C (64°F). In August, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, is evaluated at 36°C (96.8°F).

The average relative humidity in September is 83%.

In Kurisu, in September, it is raining for 15.4 days, with typically 105mm (4.13") of accumulated precipitation.

In Kurisu, snow does not fall in April through November.

The average day length in September is 12h and 24min.

On the first day of September, sunrise is at 05:44 and sunset at 18:37. On the last day of the month, sunrise is at 06:05 and sunset at 17:57 JST.

In September, the average sunshine duration is 8.7h.

In September, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a medium health risk 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
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Kurisu, Japan

  • Average high temperature in September: 25°C

The warmest month (with the highest average high temperature) is August (29.3°C).
The month with the lowest average high temperature is January (6.1°C).

  • Average low temperature in September: 17.8°C

The month with the highest average low temperature is August (21.8°C).
The coldest month (with the lowest average low temperature) is January (0.3°C).

Average pressure in September
Kurisu, Japan

  • Average pressure in September: 1012.6mbar

The month with the highest atmospheric pressure is January (1021.2mbar).
The month with the lowest atmospheric pressure is June (1008.4mbar).

Average wind speed in September
Kurisu, Japan

  • Average wind speed in September: 6.2km/h

The windiest month (with the highest average wind speed) is January (8.9km/h).
The calmest month (with the lowest average wind speed) is June (5.5km/h).

Average humidity in September
Kurisu, Japan

  • Average humidity in September: 83%

The month with the highest relative humidity is July (86%).
The month with the lowest relative humidity is May (75%).

Average rainfall in September
Kurisu, Japan

  • Average rainfall in September: 105mm

The wettest month (with the highest rainfall) is July (226mm).
The driest month (with the least rainfall) is November (44mm).

Average rainfall days in September
Kurisu, Japan

  • Average rainfall days in September: 15.4 days

The month with the highest number of rainy days is July (21.3 days).
The month with the least rainy days is November (10.8 days).

Average snowfall in September
Kurisu, Japan

  • Average snowfall in September: 0mm

The month with the highest snowfall is January (30mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).

Average snowfall days in September
Kurisu, Japan

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (5.1 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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

  • Average daylight in September: 12h and 24min

The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).

  • Average sunshine in September: 8h and 42min

The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).

Average sunshine days in September
Kurisu, Japan

  • Average sunshine days in September: 11.8 days

The month with the most sunshine days is May (17.7 days).
The month with the least sunshine days is July (8 days).

Average UV index in September
Kurisu, 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 and December (UV index 2).

Average cloud cover in September
Kurisu, Japan

  • Average cloud cover in September: 40

The month with the most cloud cover is July (Cloud cover 50).
The months with the least cloud cover are October and November (Cloud cover 35).

Average visibility in September
Kurisu, Japan

  • Average visibility in September: 8km

The months with the highest visibility are January, February, March, April, May, October, November and December (9km).
The month with the lowest visibility is July (7km).