September weather forecastKaneshi, Japan

September

Weather in September

September, the first month of the autumn in Kaneshi, is still a warm month, with temperature in the range of an average low of 26.8°C (80.2°F) and an average high of 28.7°C (83.7°F).

Temperature

The arrival of September denotes a barely perceptible change in the average high-temperatures to a still warm 28.7°C (83.7°F) from August's 29.4°C (84.9°F). The nighttime temperature in September experiences a minor dip, averaging a still moderately hot 26.8°C (80.2°F).

Heat index

The heat index for September is evaluated at a tropical 34°C (93.2°F). Greater safety measures are needed, risk of heat exhaustion and heat cramps is high. Continuous activity might trigger heatstroke.
Keep in mind the heat index values are meant for areas in shade and with light wind. Heat index values may surge by up to 15 Fahrenheit (8 Celsius) degrees in the presence of direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'real feel', evaluates the perceived heat by adding the effect of moisture in the air. This effect is subjective, differing among individuals based on their physical activity and perception of heat, which can be influenced by factors like wind, clothing, and metabolic variances. Recognize that direct exposure to the sun can escalate the heat effect, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are primarily vital for children. Children frequently underestimate the importance of resting and drinking fluids. Thirst is a symptom of advanced dehydration - hence the need to hydrate regularly, especially during protracted physical exercises.

Humidity

The average relative humidity in September in Kaneshi is 79%.

Rainfall

In September, the rain falls for 20.8 days. Throughout September, 155mm (6.1") of precipitation is accumulated. Throughout the year, there are 229.8 rainfall days, and 1512mm (59.53") of precipitation is accumulated.

Daylight

The average length of the day in September is 12h and 19min.
On the first day of the month, sunrise is at 06:07 and sunset at 18:48. On the last day of September, sunrise is at 06:20 and sunset at 18:16 JST.

Sunshine

The average sunshine in September in Kaneshi is 8.1h.

UV index

June through September, with an average maximum UV index of 7, are months with the highest UV index in Kaneshi. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for the average person.
Note: During September, 7 as the daily maximum UV index converts into the following advice:
Apply measures and align with sun safety principles. Safeguarding against skin and eye injury is pivotal. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is at its strongest, and remember that parasols or canopies do not offer full protection. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.

Frequently asked questions

Kaneshi in September has an average high-temperature of 28.7°C (83.7°F) and an average low-temperature of 26.8°C (80.2°F). In September, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which combines relative humidity and air temperature, is evaluated at 34°C (93.2°F).

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

In September, in Kaneshi, Japan, the rain falls for 20.8 days. Throughout September, 155mm (6.1") of precipitation is accumulated.

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

In September, on the first day of the month, sunrise is at 06:07 and sunset at 18:48. On the last day of the month, in Kaneshi, sunrise is at 06:20 and sunset at 18:16 JST.

In September, the average sunshine duration in Kaneshi, Japan, is 8.1h.

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

The average daily maximum UV index in September in Kaneshi is 7. A UV Index reading of 6 to 7 represents a high health vulnerability from unsafe exposure to Sun's UV rays.
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
Kaneshi, 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 (18.6°C).

  • Average low temperature in September: 26.8°C

The month with the highest average low temperature is August (27.8°C).
The coldest month (with the lowest average low temperature) is January (16.3°C).

Average pressure in September
Kaneshi, Japan

  • Average pressure in September: 1009.1mbar

The month with the highest atmospheric pressure is January (1021mbar).
The month with the lowest atmospheric pressure is August (1006.7mbar).

Average wind speed in September
Kaneshi, Japan

  • Average wind speed in September: 20.9km/h

The windiest month (with the highest average wind speed) is December (25.7km/h).
The calmest month (with the lowest average wind speed) is May (18.4km/h).

Average humidity in September
Kaneshi, 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
Kaneshi, Japan

  • Average rainfall in September: 155mm

The wettest month (with the highest rainfall) is June (228mm).
The driest month (with the least rainfall) is January (63mm).

Average rainfall days in September
Kaneshi, Japan

  • Average rainfall days in September: 20.8 days

The month with the highest number of rainy days is June (22.6 days).
The month with the least rainy days is November (16.2 days).

Average daylight in September /
Average sunshine in September
Kaneshi, 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 6min

The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).

Average sunshine days in September
Kaneshi, Japan

  • Average sunshine days in September: 5.9 days

The month with the most sunshine days is May (11.1 days).
The month with the least sunshine days is June (5.4 days).

Average UV index in September
Kaneshi, Japan

  • Average UV index in September: 7

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

Average cloud cover in September
Kaneshi, Japan

  • Average cloud cover in September: 41

The month with the most cloud cover is January (Cloud cover 63).
The months with the least cloud cover are July and August (Cloud cover 37).

Average visibility in September
Kaneshi, Japan

  • Average visibility in September: 10km

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