September weather forecastKomorie, Japan

September

Weather in September

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

Temperature

September's onset brings a negligible change in high-temperatures, falling from a moderately hot 29.7°C (85.5°F) in August to a still warm 26°C (78.8°F). Komorie's September nights observe a minor shift from the daytime temperatures, resulting in an average dip to a pleasant 21.4°C (70.5°F).

Humidity

The average relative humidity in September in Komorie is 78%.

Rainfall

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

Snowfall

March through November are months without snowfall.

Daylight

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

Sunshine

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

UV index

In Komorie, the average daily maximum UV index in September is 6. A UV Index estimate of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: The average daily UV index of 6 in September transforms into the following instructions:
Eschew overexposure. Those with light skin may suffer burns in fewer than 20 minutes. Stay in the shade and limit direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is particularly strong. Remember, however, that shade structures may not provide complete protection. During bright days, sunglasses that offer UVA and UVB defense are recommended.

Frequently asked questions

Komorie in September has an average high-temperature of 26°C (78.8°F) and an average low-temperature of 21.4°C (70.5°F). The average heat index (a.k.a. 'apparent temperature', 'real feel'), which combines relative humidity and air temperature, in August is calculated to be 36°C (96.8°F).

The average relative humidity in September in Komorie, Japan, is 78%.

In Komorie, in September, it is raining for 15 days, with typically 84mm (3.31") of accumulated precipitation.

March through November are months without snowfall in Komorie.

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

On the first day of September in Komorie, Japan, 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 in Komorie is 8.5h.

In September, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high health threat from 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
Komorie, 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
Komorie, 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
Komorie, 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
Komorie, 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
Komorie, 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
Komorie, 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
Komorie, 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
Komorie, 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
Komorie, 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
Komorie, 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
Komorie, 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
Komorie, 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
Komorie, 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).