September weather forecast
Shimonofu, Japan

September

Weather in September

September, the first month of the autumn in Shimonofu, is still a warm month, with an average temperature varying between 21.8°C (71.2°F) and 26°C (78.8°F).

Temperature

With the arrival of September, Shimonofu experiences a modest decline in average high-temperatures, transitioning from 29.5°C (85.1°F) in August to a still warm 26°C (78.8°F). Shimonofu registers a small shift from peak daytime temperatures, with a consistent average low-temperature of 21.8°C (71.2°F) during September.

Humidity

The average relative humidity in September in Shimonofu is 78%.

Rainfall

In September, in Shimonofu, Japan, the rain falls for 15.3 days. Throughout September, 54mm (2.13") of precipitation is accumulated. Throughout the year, there are 176.2 rainfall days, and 605mm (23.82") of precipitation is accumulated.

Snowfall

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

Daylight

In September, the average length of the day in Shimonofu is 12h and 23min.
On the first day of September, sunrise is at 05:52 and sunset at 18:44. On the last day of the month, sunrise is at 06:12 and sunset at 18:04 JST.

Sunshine

The average sunshine in September in Shimonofu is 8.4h.

UV index

In Shimonofu, the average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for the average person.
Note: In September, the maximum UV index of 6 translates into these guidelines:
Implement preventive steps and embrace sun safety standards. Protection from skin and eye distress is compulsory. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.

Frequently asked questions

What is the average September temperature in Shimonofu?
The average high-temperature and low-temperature in Shimonofu, Japan, during September are 26°C (78.8°F) and 21.8°C (71.2°F) respectively. The average heat index (a.k.a. 'felt air temperature', 'feels like'), which combines relative humidity and air temperature, in August is appraised at 36°C (96.8°F).
What is the average humidity in September in Shimonofu?
In September, the average relative humidity is 78%.
How much does it rain in Shimonofu in September?
In September, in Shimonofu, the rain falls for 15.3 days. Throughout September, 54mm (2.13") of precipitation is accumulated.
When it does not snow in Shimonofu?
In Shimonofu, Japan, snow does not fall in April through November.
What is the average length of the day in September in Shimonofu?
In Shimonofu, the average day length in September is 12h and 23min.
When is the sunrise / sunset in September in Shimonofu?
On the first day of September in Shimonofu, sunrise is at 05:52 and sunset at 18:44. On the last day of the month, sunrise is at 06:12 and sunset at 18:04 JST.
How long on average sun shines in September in Shimonofu?
In Shimonofu, Japan, the average sunshine duration in September is 8.4h.
What is the UV index reading in September in Shimonofu?
The average daily maximum UV index in September in Shimonofu, Japan, is 6. A UV Index value of 6 to 7 symbolizes a high health threat 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
Shimonofu, Japan
  • Average high temperature in September: 26°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 (8.8°C).

  • Average low temperature in September: 21.8°C

The month with the highest average low temperature is August (25.1°C).
The coldest month (with the lowest average low temperature) is January (5.3°C).

Average pressure in September
Shimonofu, Japan
  • Average pressure in September: 1012.3mbar

The month with the highest atmospheric pressure is January (1022mbar).
The month with the lowest atmospheric pressure is June (1008.2mbar).

Average wind speed in September
Shimonofu, Japan
  • Average wind speed in September: 14.4km/h

The windiest month (with the highest average wind speed) is December (18.3km/h).
The calmest month (with the lowest average wind speed) is June (11.6km/h).

Average humidity in September
Shimonofu, Japan
  • Average humidity in September: 78%

The month with the highest relative humidity is July (85%).
The months with the lowest relative humidity are January, February and March (69%).

Average rainfall in September
Shimonofu, Japan
  • Average rainfall in September: 54mm

The wettest month (with the highest rainfall) is July (125mm).
The driest month (with the least rainfall) is February (27mm).

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

The month with the highest number of rainy days is July (20.7 days).
The month with the least rainy days is May (9.6 days).

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

The month with the highest snowfall is January (10mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).

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

The month with the highest number of snowfall days is January (4.2 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
Shimonofu, 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: 10h and 0min).

  • Average sunshine in September: 8h and 2min

The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).

Average sunshine days in September
Shimonofu, Japan
  • Average sunshine days in September: 11.8 days

The month with the most sunshine days is May (19.7 days).
The month with the least sunshine days is July (7 days).

Average UV index in September
Shimonofu, Japan
  • Average UV index in September: 6

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

Average cloud cover in September
Shimonofu, Japan
  • Average cloud cover in September: 38

The month with the most cloud cover is January (Cloud cover 54).
The month with the least cloud cover is August (Cloud cover 31).

Average visibility in September
Shimonofu, Japan
  • Average visibility in September: 10km

The months with the highest visibility are February, March, April, May, August, September, October, November and December (10km).
The months with the lowest visibility are January, June and July (9km).

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