September weather forecast
Kashu, Japan

September

Weather in September

The first month of the autumn, September, is still a warm month in Kashu, Japan, with an average temperature fluctuating between 23.1°C (73.6°F) and 26.2°C (79.2°F).

Temperature

The transition into September involves a small decrease in the average high-temperature, dipping slightly from 29.2°C (84.6°F) in August to a still moderately hot 26.2°C (79.2°F). Kashu's nocturnal readings in September exhibit minimal variation from the daytime temperatures, averaging at a still moderately hot 23.1°C (73.6°F).

Humidity

In Kashu, the average relative humidity in September is 75%.

Rainfall

In September, the rain falls for 16.9 days. Throughout September, 156mm (6.14") of precipitation is accumulated. Throughout the year, in Kashu, Japan, there are 195.3 rainfall days, and 1230mm (48.43") of precipitation is accumulated.

Snowfall

March through December are months without snowfall.

Daylight

In Kashu, the average length of the day in September is 12h and 24min.
On the first day of the month, sunrise is at 05:34 and sunset at 18:27. On the last day of September, in Kashu, sunrise is at 05:54 and sunset at 17:46 JST.

Sunshine

The average sunshine in September is 9.2h.

UV index

In September, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for average individuals.
Note: A maximum daily UV index of 6 during September morphs into the following directions:
Adopt measures and apply sun safety strategies. Shielding from skin and eye damage is necessary. Attempt to stay under shade and limit exposure to the Sun between 10 a.m. and 4 p.m., when UV radiation is at its peak. Remember, devices such as parasols or canopies might not provide complete sun protection. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.

Frequently asked questions

What are the temperatures in Kashu in September?
Kashu in September has an average high-temperature of 26.2°C (79.2°F) and an average low-temperature of 23.1°C (73.6°F). The average heat index (a.k.a. 'real feel', 'felt air temperature'), which represents the influence of relative humidity on air temperature, in August is appraised at 35°C (95°F).
What is the average humidity in September in Kashu?
In September, the average relative humidity is 75%.
How much does it rain in Kashu in September?
In Kashu, Japan, in September, it is raining for 16.9 days, with typically 156mm (6.14") of accumulated precipitation.
When it does not snow in Kashu?
March through December are months without snowfall.
What is the average length of the day in September in Kashu?
In Kashu, Japan, the average day length in September is 12h and 24min.
When is the sunrise / sunset in September in Kashu?
On the first day of September in Kashu, sunrise is at 05:34 and sunset at 18:27. On the last day of the month, sunrise is at 05:54 and sunset at 17:46 JST.
How long on average sun shines in September in Kashu?
In Kashu, the average sunshine duration in September is 9.2h.
What is the UV index reading in September in Kashu?
In Kashu, the average daily maximum UV index in September is 6. A UV Index reading 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 snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in September - Kashu, Japan
Average temperature in September
Kashu, Japan
  • Average high temperature in September: 26.2°C

The warmest month (with the highest average high temperature) is August (29.2°C).
The month with the lowest average high temperature is January (9.7°C).

  • Average low temperature in September: 23.1°C

The month with the highest average low temperature is August (26.1°C).
The coldest month (with the lowest average low temperature) is January (6.4°C).

Average pressure in September - Kashu, Japan
Average pressure in September
Kashu, Japan
  • Average pressure in September: 1012.6mbar

The months with the highest atmospheric pressure are January and February (1019.9mbar).
The month with the lowest atmospheric pressure is June (1008.7mbar).

Average wind speed in September - Kashu, Japan
Average wind speed in September
Kashu, Japan
  • Average wind speed in September: 14.5km/h

The windiest month (with the highest average wind speed) is January (23.6km/h).
The calmest month (with the lowest average wind speed) is June (12.5km/h).

Average humidity in September - Kashu, Japan
Average humidity in September
Kashu, Japan
  • Average humidity in September: 75%

The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is January (67%).

Average rainfall in September - Kashu, Japan
Average rainfall in September
Kashu, Japan
  • Average rainfall in September: 156mm

The wettest month (with the highest rainfall) is July (190mm).
The driest month (with the least rainfall) is January (44mm).

Average rainfall days in September - Kashu, Japan
Average rainfall days in September
Kashu, Japan
  • Average rainfall days in September: 16.9 days

The month with the highest number of rainy days is July (20.7 days).
The months with the least rainy days are February and May (13.2 days).

Average snowfall in September - Kashu, Japan
Average snowfall in September
Kashu, Japan
  • Average snowfall in September: 0mm

The month with the highest snowfall is February (9mm).
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0mm).

Average snowfall days in September - Kashu, Japan
Average snowfall days in September
Kashu, Japan
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (1.4 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

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

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: 9h and 1min

The month with the most sunshine is August (Average sunshine: 11h and 6min).
The months with the least sunshine are January and February (Average sunshine: 5h and 18min).

Average sunshine days in September - Kashu, Japan
Average sunshine days in September
Kashu, Japan
  • Average sunshine days in September: 10.5 days

The month with the most sunshine days is May (16.1 days).
The months with the least sunshine days are August and December (7.8 days).

Average UV index in September - Kashu, Japan
Average UV index in September
Kashu, Japan
  • Average UV index in September: 6

The months with the highest UV index are July and August (UV index 7).
The months with the lowest UV index are January, February and December (UV index 3).

Average cloud cover in September - Kashu, Japan
Average cloud cover in September
Kashu, Japan
  • Average cloud cover in September: 35

The months with the most cloud cover are January and February (Cloud cover 44).
The month with the least cloud cover is August (Cloud cover 28).

Average visibility in September - Kashu, Japan
Average visibility in September
Kashu, Japan
  • Average visibility in September: 10km

The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (10km).
The month with the lowest visibility is July (9km).

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