September weather forecast
Hirakata, Japan

September

Weather in September

September, the first month of the autumn in Hirakata, is also a moderately hot month, with temperature in the range of an average low of 18.5°C (65.3°F) and an average high of 26.4°C (79.5°F).

Temperature

In September, the average high-temperature marginally decreases from a tropical 31.2°C (88.2°F) in August to a moderately hot 26.4°C (79.5°F). Hirakata's average low-temperature in the month of September is recorded at a comfortable 18.5°C (65.3°F).

Humidity

In Hirakata, the average relative humidity in September is 79%.

Rainfall

In Hirakata, in September, it is raining for 15.3 days, with typically 73mm (2.87") of accumulated precipitation. Throughout the year, in Hirakata, there are 166.4 rainfall days, and 751mm (29.57") of precipitation is accumulated.

Snowfall

In Hirakata, snow does not fall in April through November.

Daylight

In September, the average length of the day is 12h and 24min.
On the first day of the month, sunrise is at 05:30 and sunset at 18:24. On the last day of September, sunrise is at 05:51 and sunset at 17:43 JST.

Sunshine

The average sunshine in September is 8.6h.

UV index

In September, the average daily maximum UV index in Hirakata is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In September, the average maximum UV index of 5 translates into the following recommendations:
Ensure safety - Sun damage prevention is strongly urged. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.

Frequently asked questions

What is the usual temperature for Hirakata in September?
In September, in Hirakata, the average high-temperature is 26.4°C (79.5°F), and the average low-temperature is 18.5°C (65.3°F). In August, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, is estimated at 40°C (104°F).
What is the average humidity in September in Hirakata?
In September, the average relative humidity in Hirakata is 79%.
How much does it rain in Hirakata in September?
In Hirakata, Japan, in September, during 15.3 rainfall days, 73mm (2.87") of precipitation is typically accumulated.
When it does not snow in Hirakata?
In Hirakata, snow does not fall in April through November.
What is the average length of the day in September in Hirakata?
The average day length in September in Hirakata is 12h and 24min.
When is the sunrise / sunset in September in Hirakata?
On the first day of September, sunrise is at 05:30 and sunset at 18:24. On the last day of the month, sunrise is at 05:51 and sunset at 17:43 JST.
How many hours of sunshine does Hirakata have in September?
In September, the average sunshine duration is 8.6h.
What is the UV index reading in September in Hirakata?
In September, the average daily maximum UV index in Hirakata, Japan, is 5. A UV Index reading of 3 to 5 represents a medium health risk 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 snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in September
Hirakata, Japan
  • Average high temperature in September: 26.4°C

The warmest month (with the highest average high temperature) is August (31.2°C).
The month with the lowest average high temperature is January (6.6°C).

  • Average low temperature in September: 18.5°C

The month with the highest average low temperature is August (23°C).
The coldest month (with the lowest average low temperature) is January (0.5°C).

Average pressure in September
Hirakata, Japan
  • Average pressure in September: 1012.8mbar

The month with the highest atmospheric pressure is February (1019.7mbar).
The month with the lowest atmospheric pressure is June (1008.9mbar).

Average wind speed in September
Hirakata, Japan
  • Average wind speed in September: 7.2km/h

The windiest months (with the highest average wind speed) are January and March (8.7km/h).
The calmest month (with the lowest average wind speed) is June (6.9km/h).

Average humidity in September
Hirakata, Japan
  • Average humidity in September: 79%

The month with the highest relative humidity is July (80%).
The month with the lowest relative humidity is May (71%).

Average rainfall in September
Hirakata, Japan
  • Average rainfall in September: 73mm

The wettest month (with the highest rainfall) is July (145mm).
The driest month (with the least rainfall) is January (22mm).

Average rainfall days in September
Hirakata, Japan
  • Average rainfall days in September: 15.3 days

The month with the highest number of rainy days is July (22.3 days).
The month with the least rainy days is January (9.6 days).

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

The month with the highest snowfall is February (16mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).

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

The month with the highest number of snowfall days is February (3.5 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
Hirakata, 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 4min

The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

Average sunshine days in September
Hirakata, Japan
  • Average sunshine days in September: 12.2 days

The month with the most sunshine days is November (18 days).
The month with the least sunshine days is July (6.4 days).

Average UV index in September
Hirakata, 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
Hirakata, Japan
  • Average cloud cover in September: 41

The months with the most cloud cover are January and February (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 36).

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

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

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