September weather forecastRyugasaki, Japan
September
Weather in September
September, the first month of the autumn in Ryugasaki, is still a warm month, with an average temperature ranging between max 26.8°C (80.2°F) and min 21°C (69.8°F).Temperature
The transition to September results in a modest reduction in average high-temperature, moving from a tropical 31.1°C (88°F) in August to a moderately hot 26.8°C (80.2°F). Ryugasaki's nighttime temperature during September is consistently averaged at an agreeable 21°C (69.8°F).Humidity
In September, the average relative humidity in Ryugasaki is 76%.Rainfall
In September, the rain falls for 12.3 days. Throughout September, 28mm (1.1") of precipitation is accumulated. In Ryugasaki, during the entire year, the rain falls for 122.6 days and collects up to 240mm (9.45") of precipitation.Snowfall
In Ryugasaki, snow does not fall in March through December.Daylight
In September, the average length of the day is 12h and 25min.On the first day of the month, sunrise is at 05:11 and sunset at 18:07. On the last day of September, sunrise is at 05:33 and sunset at 17:24 JST.
Sunshine
The average sunshine in September is 7.5h.UV index
In September, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for the average person.Note: The maximum daily UV index of 6 in September interprets into the following recommendations:
Refrain from overexposure. Fair-skinned individuals could burn in under 20 minutes. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Experience reduced UV exposure by about half when donning a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Ryugasaki, Japan
- Average high temperature in September: 26.8°C
The warmest month (with the highest average high temperature) is August (31.1°C).
The month with the lowest average high temperature is January (8.7°C).
- Average low temperature in September: 21°C
The month with the highest average low temperature is August (24.3°C).
The coldest month (with the lowest average low temperature) is January (2.4°C).
Average pressure in September
Ryugasaki, Japan
- Average pressure in September: 1013.6mbar
The month with the highest atmospheric pressure is November (1018.1mbar).
The month with the lowest atmospheric pressure is June (1009.2mbar).
Average wind speed in September
Ryugasaki, Japan
- Average wind speed in September: 11.7km/h
The windiest month (with the highest average wind speed) is April (14km/h).
The calmest month (with the lowest average wind speed) is November (10.8km/h).
Average humidity in September
Ryugasaki, Japan
- Average humidity in September: 76%
The month with the highest relative humidity is July (79%).
The month with the lowest relative humidity is January (61%).
Average rainfall in September
Ryugasaki, Japan
- Average rainfall in September: 28mm
The wettest month (with the highest rainfall) is October (34mm).
The driest months (with the least rainfall) are January, February and December (10mm).
Average rainfall days in September
Ryugasaki, Japan
- Average rainfall days in September: 12.3 days
The month with the highest number of rainy days is June (13.5 days).
The month with the least rainy days is January (5.9 days).
Average snowfall in September
Ryugasaki, Japan
- Average snowfall in September: 0mm
The month with the highest snowfall is February (10mm).
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in September
Ryugasaki, Japan
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.4 days).
The months with the least snowfall days are April, May, June, July, August, September, October, November and December (0 days).
Average daylight in September /
Average sunshine in September
Ryugasaki, 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 48min).
- Average sunshine in September: 7h and 30min
The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 5h and 24min).
Average sunshine days in September
Ryugasaki, Japan
- Average sunshine days in September: 13.8 days
The month with the most sunshine days is January (23.8 days).
The month with the least sunshine days is June (12.8 days).
Average UV index in September
Ryugasaki, Japan
- Average UV index in September: 6
The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in September
Ryugasaki, Japan
- Average cloud cover in September: 43
The month with the most cloud cover is June (Cloud cover 48).
The month with the least cloud cover is January (Cloud cover 30).
Average visibility in September
Ryugasaki, Japan
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, October, November and December (10km).
The months with the lowest visibility are June, July, August and September (9km).
