September weather forecastOnoda, Japan

September

Weather in September

The first month of the autumn, September, is also a moderately hot month in Onoda, Japan, with temperature in the range of an average low of 20.5°C (68.9°F) and an average high of 26.4°C (79.5°F).

Temperature

In Onoda, the beginning of September is marked by a marginally lowered average high-temperature, shifting from August's hot 30°C (86°F) to a warm 26.4°C (79.5°F). Onoda's temperature drops to an average low of 20.5°C (68.9°F) during the nights of September.

Humidity

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

Rainfall

In Onoda, during September, the rain falls for 14 days and regularly aggregates up to 82mm (3.23") of precipitation. Throughout the year, in Onoda, Japan, there are 154.3 rainfall days, and 1065mm (41.93") of precipitation is accumulated.

Snowfall

In Onoda, 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 05:49 and sunset at 18:41. On the last day of the month, sunrise is at 06:09 and sunset at 18:01 JST.

Sunshine

In September, the average sunshine is 8.7h.

UV index

The average daily maximum UV index in September in Onoda is 5. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.
Note: In September, the average maximum UV index of 5 translates into the following recommendations:
Make use of precautions - Shielding skin and eyes from injury is a requirement. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.

Frequently asked questions

The high-temperature, in September, in Onoda, is 26.4°C (79.5°F), while the low-temperature averages to 20.5°C (68.9°F). The average heat index (a.k.a. 'apparent temperature', 'real feel'), which calculates the temperature value influenced by the moisture in the air, in August is appraised at 38°C (100.4°F).

The average relative humidity in September in Onoda, Japan, is 79%.

In Onoda, in September, it is raining for 14 days, with typically 82mm (3.23") of accumulated precipitation.

In Onoda, 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 05:49 and sunset at 18:41. On the last day of the month, in Onoda, sunrise is at 06:09 and sunset at 18:01 JST.

In Onoda, the average sunshine duration in September is 8.7h.

The average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate 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
Onoda, Japan

  • Average high temperature in September: 26.4°C

The warmest month (with the highest average high temperature) is August (30°C).
The month with the lowest average high temperature is January (8.8°C).

  • Average low temperature in September: 20.5°C

The month with the highest average low temperature is August (24.2°C).
The coldest month (with the lowest average low temperature) is January (4.5°C).

Average pressure in September
Onoda, Japan

  • Average pressure in September: 1012.5mbar

The month with the highest atmospheric pressure is January (1021.7mbar).
The month with the lowest atmospheric pressure is June (1008.3mbar).

Average wind speed in September
Onoda, Japan

  • Average wind speed in September: 10.2km/h

The windiest months (with the highest average wind speed) are January and December (14.8km/h).
The calmest month (with the lowest average wind speed) is June (9.3km/h).

Average humidity in September
Onoda, Japan

  • Average humidity in September: 79%

The month with the highest relative humidity is July (85%).
The months with the lowest relative humidity are January and March (70%).

Average rainfall in September
Onoda, Japan

  • Average rainfall in September: 82mm

The wettest month (with the highest rainfall) is July (228mm).
The driest month (with the least rainfall) is January (37mm).

Average rainfall days in September
Onoda, Japan

  • Average rainfall days in September: 14 days

The month with the highest number of rainy days is July (19.3 days).
The month with the least rainy days is November (9.6 days).

Average snowfall in September
Onoda, Japan

  • Average snowfall in September: 0mm

The months with the highest snowfall are January and December (8mm).
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0mm).

Average snowfall days in September
Onoda, Japan

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (2.3 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
Onoda, 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 42min

The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).

Average sunshine days in September
Onoda, Japan

  • Average sunshine days in September: 14 days

The months with the most sunshine days are May and October (19.3 days).
The month with the least sunshine days is July (9.7 days).

Average UV index in September
Onoda, 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 and December (UV index 2).

Average cloud cover in September
Onoda, 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 32).

Average visibility in September
Onoda, Japan

  • Average visibility in September: 9km

The months with the highest visibility are January, February, March, October, November and December (10km).
The month with the lowest visibility is July (8km).