September weather forecastIzakicho, Japan

September

Weather in September

September, the first month of the autumn in Izakicho, is also a moderately hot month, with an average temperature fluctuating between 21.4°C (70.5°F) and 26°C (78.8°F).

Temperature

The arrival of September is marked by a minor reduction in average high-temperature, sliding from a warm 29.7°C (85.5°F) in August to a still moderately hot 26°C (78.8°F). During the nights of September, Izakicho records an average low-temperature of 21.4°C (70.5°F), reflecting a modest decrease from daytime highs.

Humidity

In Izakicho, the average relative humidity in September is 78%.

Rainfall

In Izakicho, in September, it is raining for 15 days, with typically 84mm (3.31") of accumulated precipitation. In Izakicho, during the entire year, the rain falls for 176.5 days and collects up to 1039mm (40.91") of precipitation.

Snowfall

In Izakicho, snow does not fall in March through November.

Daylight

The average length of the day in September is 12h and 23min.
On the first day of September, sunrise is at 05:50 and sunset at 18:42. On the last day of the month, sunrise is at 06:10 and sunset at 18:02 JST.

Sunshine

In Izakicho, the average sunshine in September is 8.5h.

UV index

In Izakicho, the average daily maximum UV index in September is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: In September, a daily UV index of 6 turns into the following recommendations:
Deter overexposure. Protecting against the sun's effects is essential. Minimize exposure to direct sunlight and seek shade from 10 a.m. to 4 p.m., when UV radiation is most intense, but remember that shade structures may not offer complete protection. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.

Frequently asked questions

September temperatures vary between a high-temperature of 26°C (78.8°F) and a low-temperature of 21.4°C (70.5°F). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which represents the influence of relative humidity on air temperature, in August is calculated to be 36°C (96.8°F).

The average relative humidity in September is 78%.

In September, the rain falls for 15 days. Throughout September, 84mm (3.31") of precipitation is accumulated.

In Izakicho, Japan, snow does not fall in March through November.

In September, the average day length is 12h and 23min.

In September, on the first day of the month, sunrise is at 05:50 and sunset at 18:42. On the last day of the month, sunrise is at 06:10 and sunset at 18:02 JST.

The average sunshine duration in September is 8.5h.

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

Average temperature in September
Izakicho, Japan

  • Average high temperature in September: 26°C

The warmest month (with the highest average high temperature) is August (29.7°C).
The month with the lowest average high temperature is January (8.8°C).

  • Average low temperature in September: 21.4°C

The month with the highest average low temperature is August (24.9°C).
The coldest month (with the lowest average low temperature) is January (5.3°C).

Average pressure in September
Izakicho, Japan

  • Average pressure in September: 1012.4mbar

The month with the highest atmospheric pressure is January (1021.9mbar).
The month with the lowest atmospheric pressure is June (1008.3mbar).

Average wind speed in September
Izakicho, Japan

  • Average wind speed in September: 12.9km/h

The windiest month (with the highest average wind speed) is December (17.6km/h).
The calmest month (with the lowest average wind speed) is June (10.8km/h).

Average humidity in September
Izakicho, Japan

  • Average humidity in September: 78%

The month with the highest relative humidity is July (85%).
The months with the lowest relative humidity are January, February and March (69%).

Average rainfall in September
Izakicho, Japan

  • Average rainfall in September: 84mm

The wettest month (with the highest rainfall) is July (209mm).
The driest month (with the least rainfall) is January (44mm).

Average rainfall days in September
Izakicho, Japan

  • Average rainfall days in September: 15 days

The month with the highest number of rainy days is July (20.7 days).
The month with the least rainy days is May (10.7 days).

Average snowfall in September
Izakicho, Japan

  • Average snowfall in September: 0mm

The month with the highest snowfall is January (11mm).
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0mm).

Average snowfall days in September
Izakicho, Japan

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (3.3 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
Izakicho, 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 30min

The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).

Average sunshine days in September
Izakicho, Japan

  • Average sunshine days in September: 13.3 days

The month with the most sunshine days is May (18.8 days).
The month with the least sunshine days is July (7.3 days).

Average UV index in September
Izakicho, Japan

  • Average UV index in September: 6

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
Izakicho, Japan

  • Average cloud cover in September: 38

The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 31).

Average visibility in September
Izakicho, Japan

  • Average visibility in September: 10km

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