September weather forecast
Goeku, Japan

September

Weather in September

September, the first month of the autumn in Goeku, is still a warm month, with an average temperature varying between 27.4°C (81.3°F) and 28.6°C (83.5°F).

Temperature

The transition from August to September brings an average high-temperature of a still warm 28.6°C (83.5°F), barely different from August's 29.5°C (85.1°F). The nighttime temperature in Goeku in September experiences a minor dip, averaging a still moderately hot 27.4°C (81.3°F).

Heat index

The average heat index in September is evaluated at a hot 33°C (91.4°F). Emphasize additional safety, risk of heat cramps and heat exhaustion is high. Continuous activity might result in heatstroke.
Note that heat index values are valued for light wind and location in the shade. The direct sun can potentially cause the heat index to increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', gives an indication of how one might feel in terms of heat after considering humidity. A person's impression of weather can be shaped by several aspects, among them metabolic variations, pregnancy, and levels of physical activity. Always consider that direct sunlight exposure might heighten the heat's effects, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Juveniles often do not understand the need to recuperate and rehydrate. Thirst is a delayed symptom of dehydration - hence, it is vital to maintain hydration, particularly during ongoing physical activities.

Humidity

The average relative humidity in September in Goeku is 79%.

Rainfall

In Goeku, in September, it is raining for 19.1 days, with typically 114mm (4.49") of accumulated precipitation. Throughout the year, in Goeku, there are 215.5 rainfall days, and 1300mm (51.18") of precipitation is accumulated.

Daylight

The average length of the day in September is 12h and 19min.
On the first day of the month, sunrise is at 06:08 and sunset at 18:48. On the last day of September, sunrise is at 06:20 and sunset at 18:16 JST.

Sunshine

In September, the average sunshine in Goeku is 8.6h.

UV index

The months with the highest UV index are June through September, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for average individuals.
Note: A daily maximum UV index of 7 in September translates into the following instructions:
Shun overexposure. Protection from sun ravages is indispensable. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.

Frequently asked questions

How hot does it get in Goeku in September?
In Goeku, 28.6°C (83.5°F) is the average high-temperature and 27.4°C (81.3°F) is the average low-temperature during September. The average heat index (a.k.a. 'real feel', 'felt air temperature'), which factors the actual air temperature with the relative humidity, in September is evaluated at 33°C (91.4°F).
What is the average humidity in September in Goeku?
In September, the average relative humidity in Goeku is 79%.
How many days does it rain in September in Goeku?
In Goeku, Japan, in September, it is raining for 19.1 days, with typically 114mm (4.49") of accumulated precipitation.
How many hours of daylight does Goeku have in September?
In September, the average day length is 12h and 19min.
What time are sunrise and sunset in September in Goeku?
On the first day of September, sunrise is at 06:08 and sunset at 18:48. On the last day of the month, sunrise is at 06:20 and sunset at 18:16 JST.
How long on average sun shines in September in Goeku?
In September, the average sunshine duration in Goeku is 8.6h.
When is the highest UV index in Goeku?
The months with the highest UV index in Goeku are June through September, with an average maximum UV index of 7.
What is the UV index intensity in September in Goeku?
The average daily maximum UV index in September in Goeku, Japan, is 7. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's 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 daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in September - Goeku, Japan
Average temperature in September
Goeku, Japan
  • Average high temperature in September: 28.6°C

The warmest month (with the highest average high temperature) is August (29.5°C).
The month with the lowest average high temperature is January (18.8°C).

  • Average low temperature in September: 27.4°C

The month with the highest average low temperature is August (28.2°C).
The coldest month (with the lowest average low temperature) is January (16.8°C).

Average pressure in September - Goeku, Japan
Average pressure in September
Goeku, Japan
  • Average pressure in September: 1009.1mbar

The month with the highest atmospheric pressure is January (1020.9mbar).
The month with the lowest atmospheric pressure is August (1006.6mbar).

Average wind speed in September - Goeku, Japan
Average wind speed in September
Goeku, Japan
  • Average wind speed in September: 22.6km/h

The windiest month (with the highest average wind speed) is December (27.6km/h).
The calmest month (with the lowest average wind speed) is May (19.5km/h).

Average humidity in September - Goeku, Japan
Average humidity in September
Goeku, Japan
  • Average humidity in September: 79%

The month with the highest relative humidity is June (86%).
The month with the lowest relative humidity is January (72%).

Average rainfall in September - Goeku, Japan
Average rainfall in September
Goeku, Japan
  • Average rainfall in September: 114mm

The wettest month (with the highest rainfall) is June (198mm).
The driest months (with the least rainfall) are January and February (53mm).

Average rainfall days in September - Goeku, Japan
Average rainfall days in September
Goeku, Japan
  • Average rainfall days in September: 19.1 days

The month with the highest number of rainy days is October (19.7 days).
The month with the least rainy days is July (16.1 days).

Average daylight in September / Average sunshine in September - Goeku, Japan
Average daylight in September /
Average sunshine in September
Goeku, Japan
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 13h and 48min).
The month with the shortest days is December (Average daylight: 10h and 30min).

  • Average sunshine in September: 8h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).

Average sunshine days in September - Goeku, Japan
Average sunshine days in September
Goeku, Japan
  • Average sunshine days in September: 7.1 days

The month with the most sunshine days is July (12.6 days).
The month with the least sunshine days is September (7.1 days).

Average UV index in September - Goeku, Japan
Average UV index in September
Goeku, Japan
  • Average UV index in September: 7

The months with the highest UV index are June, July, August and September (UV index 7).
The month with the lowest UV index is December (UV index 4).

Average cloud cover in September - Goeku, Japan
Average cloud cover in September
Goeku, Japan
  • Average cloud cover in September: 36

The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is July (Cloud cover 34).

Average visibility in September - Goeku, Japan
Average visibility in September
Goeku, 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).

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