September weather forecast
Atsuta, Japan

September

Weather in September

The first month of the autumn, September, is still a warm month in Atsuta, Japan, with an average temperature ranging between min 27.2°C (81°F) and max 28.6°C (83.5°F).

Temperature

The onset of September notes an average high-temperature of a still warm 28.6°C (83.5°F), subtly shifted from August's 29.5°C (85.1°F). Atsuta's nocturnal average in September closely mirrors its daytime temperatures, settling at a still warm 27.2°C (81°F).

Heat index

During September, the heat index is evaluated at a hot 33°C (91.4°F). Incorporate additional safety actions, heat cramps and heat exhaustion are possible. Long-term activity may induce heatstroke.
Records show heat index calculations are tailored for shaded regions and mild winds. A rise in the heat index by 15 Fahrenheit (8 Celsius) degrees may result from direct sunlight exposure.
Note: The heat index, also known as 'real feel' or 'apparent temperature', unifies temperature and humidity readings to offer a comprehensive feel of warmth. Additional elements encompassing metabolic differences, the degree of physical activity, and attire can impact the individual's perception of temperature. Keep aware, the sun, when shining directly, can intensify the heat experience, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Younglings frequently fail to recognize the requirement to rest and rehydrate. Thirst emerges late in dehydration - it is imperative to keep hydration levels high, particularly during extended physical exertions.

Humidity

The average relative humidity in September is 79%.

Rainfall

In September, the rain falls for 19.7 days. Throughout September, 127mm (5") of precipitation is accumulated. Throughout the year, in Atsuta, there are 216.1 rainfall days, and 1313mm (51.69") of precipitation is accumulated.

Daylight

In September, the average length of the day 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

The average sunshine in September is 8.3h.

UV index

The months with the highest UV index in Atsuta are June through September, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for the average person.
Note: In September, an average UV index of 7 transforms into the following instructions:
Beware of overexposure. Fair-skinned individuals risk burning in less than 20 minutes. Try to minimize direct Sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Also note that objects like parasols or canopies might not provide complete sun protection. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.

Frequently asked questions

How hot is it in Atsuta in September?
The high-temperature in Atsuta, Japan, during September is 28.6°C (83.5°F) and the low-temperature is 27.2°C (81°F). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which combines relative humidity and air temperature, in September is evaluated at 33°C (91.4°F).
What is the average humidity in September in Atsuta?
The average relative humidity in September is 79%.
How much does it rain in Atsuta in September?
In Atsuta, Japan, in September, it is raining for 19.7 days, with typically 127mm (5") of accumulated precipitation.
How many hours of daylight does Atsuta have in September?
The average day length in September is 12h and 19min.
What time are sunrise and sunset in September in Atsuta?
On the first day of September in Atsuta, 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 Atsuta?
The average sunshine duration in September in Atsuta, Japan, is 8.3h.
What are the months with the highest UV index in Atsuta?
June through September, with an average maximum UV index of 7, are months with the highest UV index in Atsuta.
What is the UV index reading in September in Atsuta?
In September, the average daily maximum UV index in Atsuta, Japan, is 7. A UV Index reading of 6 to 7 represents a high hazard to health from unsafe 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 daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in September
Atsuta, 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: 27.2°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
Atsuta, 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
Atsuta, Japan
  • Average wind speed in September: 22.2km/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
Atsuta, 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
Atsuta, Japan
  • Average rainfall in September: 127mm

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
Atsuta, Japan
  • Average rainfall days in September: 19.7 days

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

Average daylight in September /
Average sunshine in September
Atsuta, 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 2min

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
Atsuta, Japan
  • Average sunshine days in September: 6.8 days

The month with the most sunshine days is July (12.6 days).
The month with the least sunshine days is September (6.8 days).

Average UV index in September
Atsuta, 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
Atsuta, Japan
  • Average cloud cover in September: 38

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
Atsuta, 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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