September weather forecast
Amagi, Japan

September

Weather in September

The first month of the autumn, September, is still a warm month in Amagi, Japan, with temperature in the range of an average high of 26.2°C (79.2°F) and an average low of 18.9°C (66°F).

Temperature

September ushers in a minute temperature change, with average high-temperatures reducing from August's hot 30.5°C (86.9°F) to a warm 26.2°C (79.2°F). Amagi records an average nighttime low-temperature of 18.9°C (66°F) throughout September.

Humidity

In September, the average relative humidity is 82%.

Rainfall

In Amagi, in September, it is raining for 16.5 days, with typically 77mm (3.03") of accumulated precipitation. In Amagi, during the entire year, the rain falls for 176.4 days and collects up to 958mm (37.72") of precipitation.

Snowfall

April through November are months without snowfall in Amagi, Japan.

Daylight

In September, the average length of the day is 12h and 23min.
On the first day of September, sunrise is at 05:51 and sunset at 18:43. On the last day of the month, sunrise is at 06:11 and sunset at 18:03 JST.

Sunshine

In Amagi, the average sunshine in September is 8.1h.

UV index

The average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.
Note: In September, a daily UV index of 5 turns into the following recommendations:
Exercise caution. Those with pale skin may experience burns in less than half an hour. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.

Frequently asked questions

What are the temperatures in Amagi in September?
The average high-temperature, in September, in Amagi, is 26.2°C (79.2°F), while the average low-temperature is 18.9°C (66°F). The average heat index (a.k.a. 'feels like', 'real feel'), which calculates the temperature value influenced by the moisture in the air, in August is estimated at 40°C (104°F).
What is the average humidity in September in Amagi?
In Amagi, Japan, the average relative humidity in September is 82%.
How many days does it rain in September in Amagi?
In Amagi, in September, during 16.5 rainfall days, 77mm (3.03") of precipitation is typically accumulated.
When it does not snow in Amagi?
April through November are months without snowfall in Amagi, Japan.
How many hours of daylight does Amagi have in September?
In September, the average day length is 12h and 23min.
When are sunrise and sunset in September in Amagi?
On the first day of September in Amagi, sunrise is at 05:51 and sunset at 18:43. On the last day of the month, sunrise is at 06:11 and sunset at 18:03 JST.
How many hours of sunshine does Amagi have in September?
In September, the average sunshine duration in Amagi, Japan, is 8.1h.
What is the UV index intensity in September in Amagi?
The average daily maximum UV index in September in Amagi, Japan, is 5. A UV Index of 3 to 5 symbolizes a medium hazard to health 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 daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in September
Amagi, Japan
  • Average high temperature in September: 26.2°C

The warmest month (with the highest average high temperature) is August (30.5°C).
The month with the lowest average high temperature is January (7.8°C).

  • Average low temperature in September: 18.9°C

The month with the highest average low temperature is August (22.6°C).
The coldest month (with the lowest average low temperature) is January (1.8°C).

Average pressure in September
Amagi, Japan
  • Average pressure in September: 1012.2mbar

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
Amagi, Japan
  • Average wind speed in September: 7.4km/h

The windiest month (with the highest average wind speed) is January (9.6km/h).
The calmest month (with the lowest average wind speed) is June (7km/h).

Average humidity in September
Amagi, Japan
  • Average humidity in September: 82%

The month with the highest relative humidity is July (85%).
The months with the lowest relative humidity are March, April and May (75%).

Average rainfall in September
Amagi, Japan
  • Average rainfall in September: 77mm

The wettest month (with the highest rainfall) is July (193mm).
The driest month (with the least rainfall) is January (39mm).

Average rainfall days in September
Amagi, Japan
  • Average rainfall days in September: 16.5 days

The month with the highest number of rainy days is July (22.5 days).
The month with the least rainy days is October (10.6 days).

Average snowfall in September
Amagi, Japan
  • Average snowfall in September: 0mm

The month with the highest snowfall is January (32mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).

Average snowfall days in September
Amagi, Japan
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (6.3 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
Amagi, Japan
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).

  • Average sunshine in September: 8h and 1min

The month with the most sunshine is August (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).

Average sunshine days in September
Amagi, Japan
  • Average sunshine days in September: 10.8 days

The month with the most sunshine days is October (18.5 days).
The month with the least sunshine days is July (6.5 days).

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

Average cloud cover in September
Amagi, Japan
  • Average cloud cover in September: 42

The months with the most cloud cover are January and June (Cloud cover 53).
The month with the least cloud cover is October (Cloud cover 37).

Average visibility in September
Amagi, Japan
  • Average visibility in September: 8km

The months with the highest visibility are January, February, March, April, May, October, November and December (9km).
The months with the lowest visibility are June, July, August and September (8km).

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