September weather forecast
Wadomari, Japan

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Weather in September

September, the first month of the autumn in Wadomari, is still a warm month, with an average temperature fluctuating between 27.1°C (80.8°F) and 28.3°C (82.9°F).

Temperature

Welcoming September, Wadomari notes an average high-temperature of a still warm 28.3°C (82.9°F), nearly consistent with August's 29.1°C (84.4°F). Nighttime temperatures in Wadomari during September report a consistent average of 27.1°C (80.8°F).

Heat index

In September, the average heat index is evaluated at a tropical 33°C (91.4°F). Greater preventive actions are needed, heat exhaustion and heat cramps are likely. Persistent activity could provoke heatstroke.
Take note of the fact that heat index values are based on shaded circumstances with light airflows. Heat index values may surge by up to 15 Fahrenheit (8 Celsius) degrees in the presence of direct sunlight.
Note: The heat index, also known as 'feels like' or 'apparent temperature', gives a temperature feeling by integrating air temperature and humidity. One's perception of weather can be shaped by other factors, involving metabolic differences, pregnancy, and physical exertion. You should know that direct sun exposure can heighten weather effects, potentially elevating the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Children commonly overlook the importance of rest and fluid replenishment. Thirst, being a delayed sign of dehydration, emphasizes the need to keep hydration up, especially during lengthy physical activities.

Humidity

The average relative humidity in September is 78%.

Rainfall

In Wadomari, Japan, in September, it is raining for 19.3 days, with typically 148mm (5.83") of accumulated precipitation. Throughout the year, there are 218.1 rainfall days, and 1335mm (52.56") of precipitation is accumulated.

Daylight

In Wadomari, Japan, the average length of the day in September is 12h and 19min.
On the first day of September, sunrise is at 06:04 and sunset at 18:46. On the last day of the month, sunrise is at 06:17 and sunset at 18:12 JST.

Sunshine

The average sunshine in September in Wadomari is 8.1h.

UV index

The months with the highest UV index in Wadomari are June through September, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for the average person.
Note: In September, the UV index of 7 transforms into the following advice:
Escape overexposure. People with light skin may incur burns in fewer than 20 minutes. Stay in the shade and limit direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is particularly strong. Remember, however, that shade structures may not provide complete protection. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Updated: Jan 31, 2024 | Published by: Weather Atlas | About Us / Weather Forecasting / Data Sources

Frequently asked questions

Is it hot in Wadomari during September?

The high-temperature during September is 28.3°C (82.9°F) and the low-temperature is 27.1°C (80.8°F). The average heat index (a.k.a. 'feels like', 'felt air temperature'), which represents the influence of relative humidity on air temperature, in September is evaluated at 33°C (91.4°F).

What is the average humidity in September in Wadomari?

In September, the average relative humidity is 78%.

How many days does it rain in September in Wadomari?

In Wadomari, in September, during 19.3 rainfall days, 148mm (5.83") of precipitation is typically accumulated.

How many hours of daylight does Wadomari have in September?

The average day length in September in Wadomari is 12h and 19min.

When are sunrise and sunset in September in Wadomari?

On the first day of September in Wadomari, sunrise is at 06:04 and sunset at 18:46. On the last day of the month, sunrise is at 06:17 and sunset at 18:12 JST.

How long on average sun shines in September in Wadomari?

In Wadomari, the average sunshine duration in September is 8.1h.

When is the highest UV index in Wadomari?

June through September, with an average maximum UV index of 7, are months with the highest UV index in Wadomari, Japan.

How high is the UV index in September in Wadomari?

The average daily maximum UV index in September in Wadomari is 7. A UV Index estimate of 6 to 7 represents a high health risk from unsafe exposure to Sun's UV rays.

Average temperature in September
Wadomari, Japan

Average temperature in September - Wadomari, Japan
  • Average high temperature in September: 28.3°C

The warmest month (with the highest average high temperature) is August (29.1°C).
The month with the lowest average high temperature is January (17.9°C).

  • Average low temperature in September: 27.1°C

The month with the highest average low temperature is August (28°C).
The coldest month (with the lowest average low temperature) is January (15.9°C).

Average pressure in September
Wadomari, Japan

Average pressure in September - Wadomari, Japan
  • Average pressure in September: 1009.3mbar

The month with the highest atmospheric pressure is January (1021.1mbar).
The month with the lowest atmospheric pressure is August (1006.9mbar).

Average wind speed in September
Wadomari, Japan

Average wind speed in September - Wadomari, Japan
  • Average wind speed in September: 23.6km/h

The windiest month (with the highest average wind speed) is December (28.1km/h).
The calmest month (with the lowest average wind speed) is May (20.8km/h).

Average humidity in September
Wadomari, Japan

Average humidity in September - Wadomari, Japan
  • Average humidity in September: 78%

The month with the highest relative humidity is June (87%).
The months with the lowest relative humidity are January and December (71%).

Average rainfall in September
Wadomari, Japan

Average rainfall in September - Wadomari, Japan
  • Average rainfall in September: 148mm

The wettest month (with the highest rainfall) is June (231mm).
The driest month (with the least rainfall) is February (60mm).

Average rainfall days in September
Wadomari, Japan

Average rainfall days in September - Wadomari, Japan
  • Average rainfall days in September: 19.3 days

The month with the highest number of rainy days is June (21.1 days).
The month with the least rainy days is July (15.4 days).

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

Average daylight in September / Average sunshine in September - Wadomari, 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 24min).

  • Average sunshine in September: 8h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).

Average sunshine days in September
Wadomari, Japan

Average sunshine days in September - Wadomari, Japan
  • Average sunshine days in September: 7.7 days

The month with the most sunshine days is July (13.4 days).
The month with the least sunshine days is December (6.9 days).

Average UV index in September
Wadomari, Japan

Average UV index in September - Wadomari, 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
Wadomari, Japan

Average cloud cover in September - Wadomari, Japan
  • Average cloud cover in September: 41

The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is July (Cloud cover 35).

Average visibility in September
Wadomari, Japan

Average visibility in September - Wadomari, 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).

Wadomari, Japan

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