September weather forecastShio, Japan

September

Weather in September

September, the first month of the autumn in Shio, is also a moderately hot month, with temperature in the range of an average low of 19.5°C (67.1°F) and an average high of 24.6°C (76.3°F).

Temperature

A subtle shift in Shio's weather is observed as August turns into September, with the average high temperature reducing from a warm 29.2°C (84.6°F) to a still moderately hot 24.6°C (76.3°F). During the nights in September, Shio observes an average low-temperature of 19.5°C (67.1°F).

Humidity

The average relative humidity in September is 78%.

Rainfall

In Shio, during September, the rain falls for 16.2 days and regularly aggregates up to 123mm (4.84") of precipitation. In Shio, during the entire year, the rain falls for 204.1 days and collects up to 1443mm (56.81") of precipitation.

Snowfall

In Shio, snow does not fall in May through November.

Daylight

The average length of the day in September is 12h and 26min.
On the first day of the month, sunrise is at 05:23 and sunset at 18:21. On the last day of September, sunrise is at 05:47 and sunset at 17:38 JST.

Sunshine

The average sunshine in September in Shio, Japan, is 8.5h.

UV index

The average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.
Note: In September, the maximum UV index of 5 transforms into these recommendations:
Guard yourself - Avoiding sunburn is suggested. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.

Updated: Jan 31, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

In Shio, 24.6°C (76.3°F) is the average high-temperature and 19.5°C (67.1°F) is the average low-temperature during September. In August, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which combines air temperature and relative humidity, is calculated to be 35°C (95°F).

In September, the average relative humidity in Shio is 78%.

In Shio, Japan, in September, during 16.2 rainfall days, 123mm (4.84") of precipitation is typically accumulated.

May through November are months without snowfall in Shio, Japan.

The average day length in September in Shio, Japan, is 12h and 26min.

On the first day of September in Shio, Japan, sunrise is at 05:23 and sunset at 18:21. On the last day of the month, sunrise is at 05:47 and sunset at 17:38 JST.

The average sunshine duration in September in Shio, Japan, is 8.5h.

In Shio, 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 unprotected exposure to UV radiation.

Today

Tomorrow

Long-term

Year J F M A M J J A September O N D

Aug

September

Oct

Average high temperature

29.2°C

24.6°C

19.4°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

9.9km/h

10.7km/h

13km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

Average daylight

Average sunshine

Average sunshine days

10.6

11.9

Average UV index

Average cloud cover

Average visibility

Average temperature in September
Shio, Japan

Average high temperature in September: 24.6°C

The warmest month (with the highest average high temperature) is August (29.2°C).
The month with the lowest average high temperature is January (4.6°C).

Average low temperature in September: 19.5°C

The month with the highest average low temperature is August (23.3°C).
The coldest month (with the lowest average low temperature) is February (0.7°C).

Average pressure in September
Shio, Japan

Average pressure in September: 1013.6mbar

The month with the highest atmospheric pressure is February (1019.5mbar).
The month with the lowest atmospheric pressure is June (1009mbar).

Average wind speed in September
Shio, Japan

Average wind speed in September: 10.2km/h

The windiest month (with the highest average wind speed) is December (15km/h).
The calmest month (with the lowest average wind speed) is June (8.5km/h).

Average humidity in September
Shio, Japan

Average humidity in September: 78%

The month with the highest relative humidity is July (82%).
The month with the lowest relative humidity is May (72%).

Average rainfall in September
Shio, Japan

Average rainfall in September: 123mm

The wettest month (with the highest rainfall) is December (168mm).
The driest month (with the least rainfall) is May (75mm).

Average rainfall days in September
Shio, Japan

Average rainfall days in September: 16.2 days

The month with the highest number of rainy days is December (22.4 days).
The month with the least rainy days is May (13 days).

Average snowfall in September
Shio, Japan

Average snowfall in September: 0mm

The month with the highest snowfall is January (422mm).
The months with the least snowfall are May, June, July, August, September, October and November (0mm).

Average snowfall days in September
Shio, Japan

Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (17.6 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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

Average daylight in September: 12h and 24min

The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).

Average sunshine in September: 8h and 30min

The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).