September weather forecastSano, Japan

September

Weather in September

September, the first month of the autumn in Sano, is also a moderately hot month, with an average temperature varying between 25.6°C (78.1°F) and 18.4°C (65.1°F).

Temperature

September marks a gentle change in average high-temperature, declining from August's hot 30.3°C (86.5°F) to a warm 25.6°C (78.1°F). In September, Sano experiences an average nighttime temperature of 18.4°C (65.1°F).

Humidity

The average relative humidity in September in Sano, Japan, is 76%.

Rainfall

In Sano, during September, the rain falls for 15.9 days and regularly aggregates up to 86mm (3.39") of precipitation. In Sano, Japan, during the entire year, the rain falls for 158.6 days and collects up to 784mm (30.87") of precipitation.

Snowfall

In Sano, snow does not fall in April through October.

Daylight

The average length of the day in September in Sano is 12h and 25min.
On the first day of the month, sunrise is at 05:13 and sunset at 18:09. On the last day of September, sunrise is at 05:36 and sunset at 17:27 JST.

Sunshine

The average sunshine in September is 8h.

UV index

In September, the average daily maximum UV index in Sano is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for average individuals.
Note: A daily high UV index of 5 in September leads to these guidelines:
Put precautions into practice - Ensuring skin and eye safety is a necessity. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.

Frequently asked questions

During September, Sano experiences an average high-temperature of 25.6°C (78.1°F) and a low-temperature of 18.4°C (65.1°F). The average heat index (a.k.a. 'feels like', 'real feel'), which combines air temperature and relative humidity, in August is evaluated at 37°C (98.6°F).

In September, the average relative humidity in Sano, Japan, is 76%.

In Sano, during September, the rain falls for 15.9 days and regularly aggregates up to 86mm (3.39") of precipitation.

April through October are months without snowfall in Sano, Japan.

In Sano, the average day length in September is 12h and 25min.

In September, on the first day of the month, sunrise is at 05:13 and sunset at 18:09. On the last day of the month, in Sano, sunrise is at 05:36 and sunset at 17:27 JST.

In September, the average sunshine duration in Sano, Japan, is 8h.

The average daily maximum UV index in September in Sano is 5. A UV Index reading of 3 to 5 represents a moderate vulnerability 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
Sano, Japan

  • Average high temperature in September: 25.6°C

The warmest month (with the highest average high temperature) is August (30.3°C).
The month with the lowest average high temperature is January (6.5°C).

  • Average low temperature in September: 18.4°C

The month with the highest average low temperature is August (22.8°C).
The coldest month (with the lowest average low temperature) is January (-0.7°C).

Average pressure in September
Sano, Japan

  • Average pressure in September: 1013.8mbar

The month with the highest atmospheric pressure is November (1018.6mbar).
The month with the lowest atmospheric pressure is June (1009.3mbar).

Average wind speed in September
Sano, Japan

  • Average wind speed in September: 6.9km/h

The windiest month (with the highest average wind speed) is January (9.9km/h).
The calmest month (with the lowest average wind speed) is July (6.5km/h).

Average humidity in September
Sano, Japan

  • Average humidity in September: 76%

The month with the highest relative humidity is July (78%).
The month with the lowest relative humidity is January (61%).

Average rainfall in September
Sano, Japan

  • Average rainfall in September: 86mm

The wettest month (with the highest rainfall) is July (124mm).
The driest month (with the least rainfall) is December (20mm).

Average rainfall days in September
Sano, Japan

  • Average rainfall days in September: 15.9 days

The month with the highest number of rainy days is July (22.8 days).
The month with the least rainy days is January (5.1 days).

Average snowfall in September
Sano, Japan

  • Average snowfall in September: 0mm

The month with the highest snowfall is February (33mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days in September
Sano, Japan

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (2 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

Average daylight in September /
Average sunshine in September
Sano, 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 0min

The months with the most sunshine are May and August (Average sunshine: 9h and 42min).
The months with the least sunshine are February and November (Average sunshine: 6h and 24min).

Average sunshine days in September
Sano, Japan

  • Average sunshine days in September: 11.4 days

The month with the most sunshine days is January (24.7 days).
The month with the least sunshine days is July (6.4 days).

Average UV index in September
Sano, 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, February and December (UV index 2).

Average cloud cover in September
Sano, Japan

  • Average cloud cover in September: 41

The month with the most cloud cover is June (Cloud cover 47).
The month with the least cloud cover is January (Cloud cover 25).

Average visibility in September
Sano, Japan

  • Average visibility in September: 9km

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