September weather forecastSusenji, Japan
September weather for Susenji, Japan: The first month of the autumn, September, is also a moderately hot month in Susenji, Japan, with an average temperature fluctuating between 20.6°C (69.1°F) and 26.2°C (79.2°F). On the first day of September in Susenji, Japan, sunrise is at 05:53 and sunset at 18:44.
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Susenji, Japan, with an average temperature fluctuating between 20.6°C (69.1°F) and 26.2°C (79.2°F).Temperature
A mild drop in Susenji's average high-temperature is observed in September, transitioning from a hot 30.3°C (86.5°F) in August to a warm 26.2°C (79.2°F). In Susenji, the average low-temperature during the month of September is an agreeable 20.6°C (69.1°F).Humidity
In Susenji, Japan, the average relative humidity in September is 79%.Rainfall
In Susenji, during September, the rain falls for 15.7 days and regularly aggregates up to 85mm (3.35") of precipitation. In Susenji, during the entire year, the rain falls for 178 days and collects up to 1063mm (41.85") of precipitation.Snowfall
April through November are months without snowfall in Susenji.Daylight
In September, the average length of the day in Susenji is 12h and 23min.On the first day of September in Susenji, Japan, sunrise is at 05:53 and sunset at 18:44. On the last day of the month, sunrise is at 06:12 and sunset at 18:05 JST.
Sunshine
In September, the average sunshine is 8.1h.UV index
In September, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: An average UV index of 5 in September transforms into this advice:
Prioritize safety - Suggestions to prevent sun damage are offered. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Susenji, Japan
- Average high temperature in September: 26.2°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 (8.4°C).
- Average low temperature in September: 20.6°C
The month with the highest average low temperature is August (24.1°C).
The coldest month (with the lowest average low temperature) is January (3.8°C).
Average pressure in September
Susenji, Japan
- Average pressure in September: 1012.2mbar
The month with the highest atmospheric pressure is January (1022.1mbar).
The month with the lowest atmospheric pressure is June (1008.2mbar).
Average wind speed in September
Susenji, Japan
- Average wind speed in September: 11.4km/h
The windiest month (with the highest average wind speed) is January (14.2km/h).
The calmest month (with the lowest average wind speed) is June (9.4km/h).
Average humidity in September
Susenji, Japan
- Average humidity in September: 79%
The month with the highest relative humidity is July (84%).
The months with the lowest relative humidity are January, February and March (72%).
Average rainfall in September
Susenji, Japan
- Average rainfall in September: 85mm
The wettest month (with the highest rainfall) is July (193mm).
The driest month (with the least rainfall) is January (52mm).
Average rainfall days in September
Susenji, Japan
- Average rainfall days in September: 15.7 days
The month with the highest number of rainy days is July (20.9 days).
The month with the least rainy days is May (10.8 days).
Average snowfall in September
Susenji, Japan
- Average snowfall in September: 0mm
The month with the highest snowfall is January (22mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Susenji, Japan
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (4.9 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
Susenji, Japan
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in September: 8h and 6min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in September
Susenji, Japan
- Average sunshine days in September: 13.1 days
The month with the most sunshine days is May (18.6 days).
The month with the least sunshine days is July (8.4 days).
Average UV index in September
Susenji, 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 and December (UV index 2).
Average cloud cover in September
Susenji, Japan
- Average cloud cover in September: 40
The month with the most cloud cover is January (Cloud cover 54).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in September
Susenji, Japan
- Average visibility in September: 10km
The months with the highest visibility are March, September, October, November and December (10km).
The months with the lowest visibility are January, February, April, May, June, July and August (9km).
