September weather forecastSusaki, Japan
September
Weather in September
September, the first month of the autumn in Susaki, is still a warm month, with an average temperature varying between 26.6°C (79.9°F) and 20.2°C (68.4°F).Temperature
September signifies a minor drop in average high-temperature, transitioning from 29.6°C (85.3°F) in August to a still moderately hot 26.6°C (79.9°F). Nighttime temperature experiences an average drop to a pleasant 20.2°C (68.4°F) in September.Humidity
In September, the average relative humidity in Susaki is 78%.Rainfall
In September, the rain falls for 12.5 days. Throughout September, 76mm (2.99") of precipitation is accumulated. In Susaki, during the entire year, the rain falls for 142.1 days and collects up to 860mm (33.86") of precipitation.Snowfall
In Susaki, snow does not fall in March through November.Daylight
The average length of the day in September is 12h and 23min.On the first day of the month, sunrise is at 05:41 and sunset at 18:32. On the last day of September, sunrise is at 06:00 and sunset at 17:53 JST.
Sunshine
In Susaki, the average sunshine in September is 9.5h.UV index
In September, the average daily maximum UV index in Susaki is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: In September, the maximum UV index of 5 suggests these recommendations:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. 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
Susaki, Japan
- Average high temperature in September: 26.6°C
The warmest month (with the highest average high temperature) is August (29.6°C).
The month with the lowest average high temperature is January (9.3°C).
- Average low temperature in September: 20.2°C
The month with the highest average low temperature is August (23.4°C).
The coldest month (with the lowest average low temperature) is January (2.5°C).
Average pressure in September
Susaki, Japan
- Average pressure in September: 1012.2mbar
The month with the highest atmospheric pressure is January (1020.5mbar).
The month with the lowest atmospheric pressure is June (1008.5mbar).
Average wind speed in September
Susaki, Japan
- Average wind speed in September: 7.4km/h
The windiest month (with the highest average wind speed) is December (9km/h).
The calmest month (with the lowest average wind speed) is June (6.5km/h).
Average humidity in September
Susaki, Japan
- Average humidity in September: 78%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is January (70%).
Average rainfall in September
Susaki, Japan
- Average rainfall in September: 76mm
The wettest month (with the highest rainfall) is July (153mm).
The driest month (with the least rainfall) is January (26mm).
Average rainfall days in September
Susaki, Japan
- Average rainfall days in September: 12.5 days
The month with the highest number of rainy days is July (18.2 days).
The month with the least rainy days is January (6.9 days).
Average snowfall in September
Susaki, Japan
- Average snowfall in September: 0mm
The months with the highest snowfall are January and December (2mm).
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Susaki, Japan
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (0.8 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).
Average daylight in September /
Average sunshine in September
Susaki, 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: 9h and 30min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is October (Average sunshine: 6h and 6min).
Average sunshine days in September
Susaki, Japan
- Average sunshine days in September: 14.8 days
The month with the most sunshine days is January (22.3 days).
The month with the least sunshine days is July (10.5 days).
Average UV index in September
Susaki, Japan
- Average UV index in September: 5
The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in September
Susaki, Japan
- Average cloud cover in September: 35
The month with the most cloud cover is June (Cloud cover 46).
The months with the least cloud cover are January, November and December (Cloud cover 28).
Average visibility in September
Susaki, Japan
- Average visibility in September: 9km
The months with the highest visibility are January, October, November and December (10km).
The month with the lowest visibility is July (8km).
