September weather forecastIzutacho, Japan

September

Weather in September

September, the first month of the autumn in Izutacho, is still a warm month, with an average temperature varying between 21.9°C (71.4°F) and 26.5°C (79.7°F).

Temperature

The transition into September is accompanied by a slight temperature decrease, with the average high-temperature shifting from 29.8°C (85.6°F) in August to a still moderately hot 26.5°C (79.7°F). Nights in September showcase an average temperature of 21.9°C (71.4°F), slightly cooler than the daytime.

Humidity

The average relative humidity in September in Izutacho, Japan, is 75%.

Rainfall

In September, in Izutacho, the rain falls for 15 days. Throughout September, 104mm (4.09") of precipitation is accumulated. Throughout the year, there are 160.5 rainfall days, and 884mm (34.8") of precipitation is accumulated.

Snowfall

April through December are months without snowfall in Izutacho.

Daylight

In September, the average length of the day is 12h and 25min.
On the first day of September, sunrise is at 05:13 and sunset at 18:08. On the last day of the month, sunrise is at 05:35 and sunset at 17:27 JST.

Sunshine

The average sunshine in September in Izutacho is 8h.

UV index

The average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for average individuals.
Note: The maximum daily UV index, 5 in September, converts into the following recommendations:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Experience reduced UV exposure by about half when donning a wide-brim hat.

Frequently asked questions

Izutacho in September has an average high-temperature of 26.5°C (79.7°F) and an average low-temperature of 21.9°C (71.4°F). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which represents the influence of relative humidity on air temperature, in August is appraised at 36°C (96.8°F).

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

In Izutacho, Japan, in September, during 15 rainfall days, 104mm (4.09") of precipitation is typically accumulated.

April through December are months without snowfall.

The average day length in September in Izutacho, Japan, is 12h and 25min.

In September, on the first day of the month, sunrise is at 05:13 and sunset at 18:08. On the last day of the month, in Izutacho, Japan, sunrise is at 05:35 and sunset at 17:27 JST.

The average sunshine duration in September is 8h.

In Izutacho, the average daily maximum UV index in September is 5. A UV Index 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
Izutacho, Japan

  • Average high temperature in September: 26.5°C

The warmest month (with the highest average high temperature) is August (29.8°C).
The month with the lowest average high temperature is January (9.3°C).

  • Average low temperature in September: 21.9°C

The month with the highest average low temperature is August (25.3°C).
The coldest month (with the lowest average low temperature) is January (4°C).

Average pressure in September
Izutacho, Japan

  • Average pressure in September: 1013.4mbar

The month with the highest atmospheric pressure is November (1018mbar).
The month with the lowest atmospheric pressure is June (1009.1mbar).

Average wind speed in September
Izutacho, Japan

  • Average wind speed in September: 14.7km/h

The windiest month (with the highest average wind speed) is April (17.9km/h).
The calmest month (with the lowest average wind speed) is June (14.2km/h).

Average humidity in September
Izutacho, Japan

  • Average humidity in September: 75%

The month with the highest relative humidity is July (80%).
The month with the lowest relative humidity is January (60%).

Average rainfall in September
Izutacho, Japan

  • Average rainfall in September: 104mm

The wettest month (with the highest rainfall) is October (126mm).
The driest month (with the least rainfall) is December (40mm).

Average rainfall days in September
Izutacho, Japan

  • Average rainfall days in September: 15 days

The month with the highest number of rainy days is June (16.1 days).
The month with the least rainy days is January (8.3 days).

Average snowfall in September
Izutacho, Japan

  • Average snowfall in September: 0mm

The month with the highest snowfall is February (22mm).
The months with the least snowfall are April, May, June, July, August, September, October, November and December (0mm).

Average snowfall days in September
Izutacho, Japan

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (1.6 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
Izutacho, 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 0min

The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 5h and 30min).

Average sunshine days in September
Izutacho, Japan

  • Average sunshine days in September: 12.1 days

The month with the most sunshine days is January (20.8 days).
The month with the least sunshine days is October (11.7 days).

Average UV index in September
Izutacho, 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, March and December (UV index 3).

Average cloud cover in September
Izutacho, Japan

  • Average cloud cover in September: 38

The month with the most cloud cover is October (Cloud cover 44).
The month with the least cloud cover is January (Cloud cover 30).

Average visibility in September
Izutacho, Japan

  • Average visibility in September: 10km

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