September weather forecastSugaya, Japan

September

Weather in September

September, the first month of the autumn in Sugaya, is also a moderately hot month, with an average temperature fluctuating between 25.7°C (78.3°F) and 19.8°C (67.6°F).

Temperature

A subtle shift in Sugaya's weather is observed as August turns into September, with the average high temperature reducing from a moderately hot 29.8°C (85.6°F) to a still warm 25.7°C (78.3°F). During September, an average low-temperature of 19.8°C (67.6°F) is observed.

Humidity

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

Rainfall

In Sugaya, in September, during 15 rainfall days, 93mm (3.66") of precipitation is typically accumulated. Throughout the year, there are 163.2 rainfall days, and 839mm (33.03") of precipitation is accumulated.

Snowfall

April through November are months without snowfall.

Daylight

The average length of the day in September is 12h and 25min.
On the first day of September, sunrise is at 05:09 and sunset at 18:06. On the last day of the month, sunrise is at 05:32 and sunset at 17:23 JST.

Sunshine

In September, the average sunshine is 7.5h.

UV index

In September, the average daily maximum UV index in Sugaya is 5. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the average person.
Note: In September, a regular UV index of 5 translates into these guidelines:
Undertake protective steps - Preventing sun damage is advised. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.

Frequently asked questions

The high-temperature, in September, in Sugaya, records 25.7°C (78.3°F), while the low-temperature is 19.8°C (67.6°F). In August, the average heat index (a.k.a. 'feels like', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, is calculated to be 37°C (98.6°F).

In September, the average relative humidity is 78%.

In Sugaya, Japan, during September, the rain falls for 15 days and regularly aggregates up to 93mm (3.66") of precipitation.

April through November are months without snowfall in Sugaya, Japan.

The average day length in September in Sugaya, Japan, is 12h and 25min.

On the first day of September, sunrise is at 05:09 and sunset at 18:06. On the last day of the month, sunrise is at 05:32 and sunset at 17:23 JST.

In September, the average sunshine duration in Sugaya, Japan, is 7.5h.

In September, the average daily maximum UV index in Sugaya, Japan, is 5. A UV Index reading of 3 to 5 represents a medium hazard to health 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 sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Sugaya, Japan

  • Average high temperature in September: 25.7°C

The warmest month (with the highest average high temperature) is August (29.8°C).
The month with the lowest average high temperature is January (7.6°C).

  • Average low temperature in September: 19.8°C

The month with the highest average low temperature is August (23.3°C).
The coldest month (with the lowest average low temperature) is January (1.6°C).

Average pressure in September
Sugaya, Japan

  • Average pressure in September: 1013.7mbar

The month with the highest atmospheric pressure is November (1018.3mbar).
The month with the lowest atmospheric pressure is June (1009.3mbar).

Average wind speed in September
Sugaya, Japan

  • Average wind speed in September: 11.2km/h

The windiest month (with the highest average wind speed) is February (14.4km/h).
The calmest month (with the lowest average wind speed) is July (9.7km/h).

Average humidity in September
Sugaya, Japan

  • Average humidity in September: 78%

The month with the highest relative humidity is July (82%).
The month with the lowest relative humidity is January (62%).

Average rainfall in September
Sugaya, Japan

  • Average rainfall in September: 93mm

The wettest month (with the highest rainfall) is October (121mm).
The driest month (with the least rainfall) is January (34mm).

Average rainfall days in September
Sugaya, Japan

  • Average rainfall days in September: 15 days

The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is January (7.8 days).

Average snowfall in September
Sugaya, Japan

  • Average snowfall in September: 0mm

The month with the highest snowfall is February (32mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).

Average snowfall days in September
Sugaya, Japan

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (2.9 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
Sugaya, 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: 7h and 30min

The month with the most sunshine is August (Average sunshine: 9h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 36min).

Average sunshine days in September
Sugaya, Japan

  • Average sunshine days in September: 12.9 days

The month with the most sunshine days is January (21.8 days).
The month with the least sunshine days is June (11.1 days).

Average UV index in September
Sugaya, Japan

  • Average UV index in September: 5

The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January and February (UV index 2).

Average cloud cover in September
Sugaya, Japan

  • Average cloud cover in September: 42

The months with the most cloud cover are June and July (Cloud cover 48).
The month with the least cloud cover is January (Cloud cover 30).

Average visibility in September
Sugaya, Japan

  • Average visibility in September: 9km

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