September weather forecast
Kariya, Japan

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Weather in September

The first month of the autumn, September, is also a moderately hot month in Kariya, Japan, with temperature in the range of an average high of 28°C (82.4°F) and an average low of 20.7°C (69.3°F).

Temperature

Kariya's progression into September involves a gentle drop in the average high-temperature, from a hot 32.5°C (90.5°F) in August to a warm 28°C (82.4°F). Throughout the month of September, the average temperature dips to an agreeable 20.7°C (69.3°F) at night.

Heat index

In September, the heat index is calculated to be a hot 31°C (87.8°F). If one sustains activity during exposure, it could lead to a sense of fatigue, with a chance of heat cramps.
Factoring in the heat index, values are geared towards shaded areas with light breezes. Exposure to unobstructed sunshine could lead to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. The influence of weather is personal, with a diverse population experiencing it differently due to differences in body mass, stature, and degree of activity. Consider the fact that direct sun exposure can influence how hot one feels, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Juveniles are regularly less conscious of the need to recuperate and rehydrate. Thirst is a tardy symptom of dehydration - hydration, especially during lengthy physical activities, should be maintained.

Humidity

The average relative humidity in September in Kariya is 74%.

Rainfall

In Kariya, Japan, during September, the rain falls for 13.5 days and regularly aggregates up to 94mm (3.7") of precipitation. In Kariya, during the entire year, the rain falls for 142.7 days and collects up to 863mm (33.98") of precipitation.

Snowfall

In Kariya, snow does not fall in March through November.

Daylight

In September, the average length of the day is 12h and 25min.
On the first day of September, sunrise is at 05:24 and sunset at 18:19. On the last day of the month, sunrise is at 05:46 and sunset at 17:37 JST.

Sunshine

The average sunshine in September is 8.5h.

UV index

The average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for average individuals.
Note: The maximum daily UV index of 5 in September converts into the following recommendations:
Exercise prevention - Warding off sunburn is urged. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
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Frequently asked questions

Is it hot in Kariya during September?

In September, the average high-temperature and low-temperature in Kariya are 28°C (82.4°F) and 20.7°C (69.3°F) respectively. In September, the average heat index (a.k.a. 'real feel', 'feels like'), which factors the actual air temperature with the relative humidity, is calculated to be 31°C (87.8°F).

What is the average humidity in September in Kariya?

The average relative humidity in September is 74%.

How much does it rain in Kariya in September?

In Kariya, during September, the rain falls for 13.5 days and regularly aggregates up to 94mm (3.7") of precipitation.

When it does not snow in Kariya?

In Kariya, snow does not fall in March through November.

How many hours of daylight does Kariya have in September?

In September, the average day length is 12h and 25min.

When are sunrise and sunset in September in Kariya?

In September, on the first day of the month, sunrise is at 05:24 and sunset at 18:19. On the last day of the month, in Kariya, sunrise is at 05:46 and sunset at 17:37 JST.

How long on average sun shines in September in Kariya?

In Kariya, the average sunshine duration in September is 8.5h.

How high is the UV index in September in Kariya?

In Kariya, Japan, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium hazard to health from unsafe exposure to Sun's UV rays.
Average humidity
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
Kariya, Japan

Average temperature in September - Kariya, Japan
  • Average high temperature in September: 28°C

The warmest month (with the highest average high temperature) is August (32.5°C).
The month with the lowest average high temperature is January (8.1°C).

  • Average low temperature in September: 20.7°C

The month with the highest average low temperature is August (24.7°C).
The coldest month (with the lowest average low temperature) is January (1.6°C).

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Average pressure in September
Kariya, Japan

Average pressure in September - Kariya, Japan
  • Average pressure in September: 1013.1mbar

The month with the highest atmospheric pressure is November (1019.1mbar).
The month with the lowest atmospheric pressure is June (1009.1mbar).

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Average wind speed in September
Kariya, Japan

Average wind speed in September - Kariya, Japan
  • Average wind speed in September: 9.1km/h

The windiest months (with the highest average wind speed) are January and February (11.8km/h).
The calmest months (with the lowest average wind speed) are June and July (8.6km/h).

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Average humidity in September
Kariya, Japan

Average humidity in September - Kariya, Japan
  • Average humidity in September: 74%

The month with the highest relative humidity is July (78%).
The month with the lowest relative humidity is February (68%).

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Average rainfall in September
Kariya, Japan

Average rainfall in September - Kariya, Japan
  • Average rainfall in September: 94mm

The wettest month (with the highest rainfall) is July (165mm).
The driest month (with the least rainfall) is January (25mm).

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Average rainfall days in September
Kariya, Japan

Average rainfall days in September - Kariya, Japan
  • Average rainfall days in September: 13.5 days

The month with the highest number of rainy days is July (19.2 days).
The month with the least rainy days is January (8.1 days).

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Average snowfall in September
Kariya, Japan

Average snowfall in September - Kariya, Japan
  • Average snowfall in September: 0mm

The month with the highest snowfall is January (18mm).
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0mm).

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Average snowfall days in September
Kariya, Japan

Average snowfall days in September - Kariya, Japan
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (2.6 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

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Average daylight in September /
Average sunshine in September
Kariya, Japan

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

The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 54min).

  • Average sunshine in September: 8h and 3min

The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 5h and 36min).

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Average sunshine days in September
Kariya, Japan

Average sunshine days in September - Kariya, Japan
  • Average sunshine days in September: 13.9 days

The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is July (9.8 days).

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Average UV index in September
Kariya, Japan

Average UV index in September - Kariya, Japan
  • Average UV index in September: 5

The months with the highest UV index are July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 2).

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Average cloud cover in September
Kariya, Japan

Average cloud cover in September - Kariya, Japan
  • Average cloud cover in September: 40

The month with the most cloud cover is July (Cloud cover 46).
The month with the least cloud cover is November (Cloud cover 33).

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Average visibility in September
Kariya, Japan

Average visibility in September - Kariya, Japan
  • Average visibility in September: 9km

The month with the highest visibility is February (10km).
The month with the lowest visibility is July (8km).

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Kariya, Japan

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