September weather forecastKatsumada, Japan
September
Weather in September
September, the first month of the autumn in Katsumada, is also a moderately hot month, with temperature in the range of an average high of 25.3°C (77.5°F) and an average low of 17.2°C (63°F).Temperature
The beginning of September brings a slight decrease in the average high-temperature, transitioning from a hot 30.2°C (86.4°F) in August to a moderately hot 25.3°C (77.5°F). Katsumada, during the nights of September, experiences an average temperature drop to a comfortable 17.2°C (63°F).Humidity
The average relative humidity in September is 84%.Rainfall
In Katsumada, during September, the rain falls for 17.1 days and regularly aggregates up to 108mm (4.25") of precipitation. In Katsumada, Japan, during the entire year, the rain falls for 204 days and collects up to 1096mm (43.15") of precipitation.Snowfall
In Katsumada, snow does not fall in April through November.Daylight
In Katsumada, Japan, the average length of the day in September is 12h and 25min.On the first day of the month, sunrise is at 05:36 and sunset at 18:30. On the last day of September, sunrise is at 05:57 and sunset at 17:49 JST.
Sunshine
The average sunshine in September is 8.5h.UV index
In Katsumada, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: The maximum daily UV index of 5 in September interprets into the following recommendations:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Katsumada, Japan
- Average high temperature in September: 25.3°C
The warmest month (with the highest average high temperature) is August (30.2°C).
The month with the lowest average high temperature is January (5.8°C).
- Average low temperature in September: 17.2°C
The month with the highest average low temperature is August (21.6°C).
The coldest month (with the lowest average low temperature) is January (-0.8°C).
Average pressure in September
Katsumada, Japan
- Average pressure in September: 1012.7mbar
The month with the highest atmospheric pressure is February (1020.4mbar).
The month with the lowest atmospheric pressure is June (1008.5mbar).
Average wind speed in September
Katsumada, Japan
- Average wind speed in September: 6.7km/h
The windiest month (with the highest average wind speed) is January (8.7km/h).
The calmest month (with the lowest average wind speed) is June (6km/h).
Average humidity in September
Katsumada, Japan
- Average humidity in September: 84%
The month with the highest relative humidity is July (86%).
The months with the lowest relative humidity are April and May (75%).
Average rainfall in September
Katsumada, Japan
- Average rainfall in September: 108mm
The wettest month (with the highest rainfall) is July (175mm).
The driest month (with the least rainfall) is November (42mm).
Average rainfall days in September
Katsumada, Japan
- Average rainfall days in September: 17.1 days
The month with the highest number of rainy days is July (22.3 days).
The month with the least rainy days is May (14.3 days).
Average snowfall in September
Katsumada, Japan
- Average snowfall in September: 0mm
The month with the highest snowfall is January (122mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Katsumada, Japan
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (12.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Katsumada, 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: 8h and 30min
The month with the most sunshine is August (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days in September
Katsumada, Japan
- Average sunshine days in September: 10.7 days
The month with the most sunshine days is May (15 days).
The month with the least sunshine days is December (4.8 days).
Average UV index in September
Katsumada, 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
Katsumada, Japan
- Average cloud cover in September: 43
The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is May (Cloud cover 37).
Average visibility in September
Katsumada, Japan
- Average visibility in September: 8km
The months with the highest visibility are February, March, April and November (9km).
The month with the lowest visibility is July (7km).
