September weather forecast
Horyuji, Japan

September

Weather in September

The first month of the autumn, September, is also a moderately hot month in Horyuji, Japan, with an average temperature varying between 26.2°C (79.2°F) and 18.3°C (64.9°F).

Temperature

As August makes way for September, Horyuji's average high-temperature eases from a hot 31.1°C (88°F) to a warm 26.2°C (79.2°F). The average low-temperature, in September, in Horyuji, is a comfortable 18.3°C (64.9°F).

Humidity

In Horyuji, the average relative humidity in September is 80%.

Rainfall

In Horyuji, in September, it is raining for 15.8 days, with typically 95mm (3.74") of accumulated precipitation. Throughout the year, there are 174.1 rainfall days, and 937mm (36.89") of precipitation is accumulated.

Snowfall

April through November are months without snowfall.

Daylight

The average length of the day in September in Horyuji is 12h and 24min.
On the first day of the month, sunrise is at 05:30 and sunset at 18:23. On the last day of September, sunrise is at 05:51 and sunset at 17:42 JST.

Sunshine

The average sunshine in September is 8.3h.

UV index

The average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: An average UV index of 5 in September transforms into this advice:
Exercise prevention - Protecting skin and eyes from harm is required. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.

Frequently asked questions

What are the temperatures in Horyuji in September?
The high-temperature, in September, in Horyuji, records 26.2°C (79.2°F), while the low-temperature is 18.3°C (64.9°F). The average heat index (a.k.a. 'feels like', 'real feel'), which calculates the temperature value influenced by the moisture in the air, in August is appraised at 40°C (104°F).
What is the average humidity in September in Horyuji?
In September, the average relative humidity in Horyuji, Japan, is 80%.
How much does it rain in Horyuji in September?
In Horyuji, in September, during 15.8 rainfall days, 95mm (3.74") of precipitation is typically accumulated.
When it does not snow in Horyuji?
In Horyuji, snow does not fall in April through November.
How many hours of daylight does Horyuji have in September?
The average day length in September in Horyuji, Japan, is 12h and 24min.
When are sunrise and sunset in September in Horyuji?
On the first day of September, sunrise is at 05:30 and sunset at 18:23. On the last day of the month, sunrise is at 05:51 and sunset at 17:42 JST.
How many hours of sunshine does Horyuji have in September?
In Horyuji, the average sunshine duration in September is 8.3h.
What is the UV index reading in September in Horyuji?
In September, the average daily maximum UV index in Horyuji is 5. A UV Index estimate of 3 to 5 represents a medium health risk from unprotected exposure to 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
Horyuji, Japan
  • Average high temperature in September: 26.2°C

The warmest month (with the highest average high temperature) is August (31.1°C).
The month with the lowest average high temperature is January (6.3°C).

  • Average low temperature in September: 18.3°C

The month with the highest average low temperature is August (22.5°C).
The coldest month (with the lowest average low temperature) is January (0.1°C).

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

The month with the highest atmospheric pressure is February (1019.6mbar).
The month with the lowest atmospheric pressure is June (1008.9mbar).

Average wind speed in September
Horyuji, Japan
  • Average wind speed in September: 6.5km/h

The windiest month (with the highest average wind speed) is January (8.8km/h).
The calmest months (with the lowest average wind speed) are June, July and August (6.3km/h).

Average humidity in September
Horyuji, Japan
  • Average humidity in September: 80%

The months with the highest relative humidity are July and October (81%).
The month with the lowest relative humidity is May (72%).

Average rainfall in September
Horyuji, Japan
  • Average rainfall in September: 95mm

The wettest month (with the highest rainfall) is July (166mm).
The driest month (with the least rainfall) is January (37mm).

Average rainfall days in September
Horyuji, Japan
  • Average rainfall days in September: 15.8 days

The month with the highest number of rainy days is July (22.3 days).
The month with the least rainy days is January (10.9 days).

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

The month with the highest snowfall is January (44mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).

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

The month with the highest number of snowfall days is January (6.8 days).
The months with the least snowfall days are May, June, July, August, September, October and November (0 days).

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

The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).

  • Average sunshine in September: 8h and 2min

The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 48min).

Average sunshine days in September
Horyuji, Japan
  • Average sunshine days in September: 12.5 days

The month with the most sunshine days is May (16.9 days).
The month with the least sunshine days is July (6.9 days).

Average UV index in September
Horyuji, 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
Horyuji, Japan
  • Average cloud cover in September: 43

The month with the most cloud cover is January (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 37).

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

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

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