September weather forecastSakamoto, Japan
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Sakamoto, Japan, with an average temperature fluctuating between 26.4°C (79.5°F) and 18.1°C (64.6°F).Temperature
September ushers in a slight temperature change, with average high-temperatures reducing from August's tropical 31.4°C (88.5°F) to a warm 26.4°C (79.5°F). During the nights in September, Sakamoto experiences a consistent average temperature of 18.1°C (64.6°F).Humidity
January, July, September, October and December, with an average relative humidity of 81%, are the most humid months.Rainfall
In Sakamoto, in September, during 16.8 rainfall days, 99mm (3.9") of precipitation is typically accumulated. In Sakamoto, during the entire year, the rain falls for 187.5 days and collects up to 1054mm (41.5") of precipitation.Snowfall
May through November are months without snowfall.Daylight
The average length of the day in September in Sakamoto is 12h and 25min.On the first day of September in Sakamoto, sunrise is at 05:29 and sunset at 18:23. On the last day of the month, sunrise is at 05:50 and sunset at 17:42 JST.
Sunshine
In September, the average sunshine is 7.6h.UV index
In September, the average daily maximum UV index in Sakamoto is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the average person.Note: The daily maximum UV index of 5 in September interprets into the following advice:
Put precautions into practice - Protective measures against sun-induced damage are advised. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Sakamoto, Japan
- Average high temperature in September: 26.4°C
The warmest month (with the highest average high temperature) is August (31.4°C).
The month with the lowest average high temperature is January (6°C).
- Average low temperature in September: 18.1°C
The month with the highest average low temperature is August (22.4°C).
The coldest month (with the lowest average low temperature) is January (-0.2°C).
Average pressure in September
Sakamoto, Japan
- Average pressure in September: 1013mbar
The month with the highest atmospheric pressure is February (1019.7mbar).
The month with the lowest atmospheric pressure is June (1008.9mbar).
Average wind speed in September
Sakamoto, Japan
- Average wind speed in September: 7.2km/h
The windiest month (with the highest average wind speed) is March (8.3km/h).
The calmest month (with the lowest average wind speed) is July (6.6km/h).
Average humidity in September
Sakamoto, Japan
- Average humidity in September: 81%
The months with the highest relative humidity are January, July, September, October and December (81%).
The month with the lowest relative humidity is May (72%).
Average rainfall in September
Sakamoto, Japan
- Average rainfall in September: 99mm
The wettest month (with the highest rainfall) is July (200mm).
The driest month (with the least rainfall) is November (37mm).
Average rainfall days in September
Sakamoto, Japan
- Average rainfall days in September: 16.8 days
The month with the highest number of rainy days is July (23.4 days).
The month with the least rainy days is February (12.1 days).
Average snowfall in September
Sakamoto, Japan
- Average snowfall in September: 0mm
The month with the highest snowfall is January (100mm).
The months with the least snowfall are May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Sakamoto, Japan
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (11.1 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
Sakamoto, Japan
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in September: 7h and 36min
The month with the most sunshine is August (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in September
Sakamoto, Japan
- Average sunshine days in September: 11.5 days
The month with the most sunshine days is May (17.2 days).
The month with the least sunshine days is July (5.5 days).
Average UV index in September
Sakamoto, 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
Sakamoto, Japan
- Average cloud cover in September: 51
The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is May (Cloud cover 43).
Average visibility in September
Sakamoto, Japan
- Average visibility in September: 7km
The months with the highest visibility are January, February, March, April, May, June, August, November and December (8km).
The months with the lowest visibility are July, September and October (7km).
