Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
September
Weather in September
Temperature
During the shift to September, Kawana records a mild decrease in average high-temperature, moving from a moderately hot 28.4°C (83.1°F) in August to a still warm 25.3°C (77.5°F). A minor drop in temperature is observed from daytime highs during the nights of September, averaging an agreeable 21.4°C (70.5°F).Humidity
The average relative humidity in September is 80%.Rainfall
In September, the rain falls for 17.3 days. Throughout September, 155mm (6.1") of precipitation is accumulated. Throughout the year, there are 179.9 rainfall days, and 1350mm (53.15") of precipitation is accumulated.Snowfall
In Kawana, snow does not fall in March through December.Daylight
The average length of the day in September is 12h and 25min.On the first day of September in Kawana, Japan, sunrise is at 05:16 and sunset at 18:10. On the last day of the month, sunrise is at 05:37 and sunset at 17:29 JST.
Sunshine
The average sunshine in September is 7.9h.UV index
The average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for average individuals.Note: The maximum daily UV index of 5 in September interprets into the following recommendations:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in Kawana?
What is the average humidity in September in Kawana?
How many days does it rain in September in Kawana?
When it does not snow in Kawana?
How many hours of daylight does Kawana have in September?
When is the sunrise / sunset in September in Kawana?
How many hours of sunshine does Kawana have in September?
What is the UV index intensity in September in Kawana?
Average temperature in September
Kawana, Japan
- Average high temperature in September: 25.3°C
The warmest month (with the highest average high temperature) is August (28.4°C).
The month with the lowest average high temperature is January (9°C).
- Average low temperature in September: 21.4°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 (4.3°C).
Average pressure in September
Kawana, Japan
- Average pressure in September: 1013mbar
The month with the highest atmospheric pressure is November (1018mbar).
The month with the lowest atmospheric pressure is June (1009mbar).
Average wind speed in September
Kawana, Japan
- Average wind speed in September: 14.7km/h
The windiest month (with the highest average wind speed) is March (18.1km/h).
The calmest month (with the lowest average wind speed) is August (13.6km/h).
Average humidity in September
Kawana, Japan
- Average humidity in September: 80%
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is January (66%).
Average rainfall in September
Kawana, Japan
- Average rainfall in September: 155mm
The wettest month (with the highest rainfall) is October (167mm).
The driest month (with the least rainfall) is August (51mm).
Average rainfall days in September
Kawana, Japan
- Average rainfall days in September: 17.3 days
The month with the highest number of rainy days is June (17.8 days).
The month with the least rainy days is January (9.8 days).
Average snowfall in September
Kawana, Japan
- Average snowfall in September: 0mm
The month with the highest snowfall is February (22mm).
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in September
Kawana, Japan
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2 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
Kawana, Japan
- Average daylight in September: 12h and 2min
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 54min).
- Average sunshine in September: 7h and 5min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 5h and 12min).
Average sunshine days in September
Kawana, Japan
- Average sunshine days in September: 10.4 days
The month with the most sunshine days is January (17 days).
The month with the least sunshine days is October (9.4 days).
Average UV index in September
Kawana, Japan
- Average UV index in September: 5
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 3).
Average cloud cover in September
Kawana, Japan
- Average cloud cover in September: 42
The month with the most cloud cover is June (Cloud cover 48).
The month with the least cloud cover is January (Cloud cover 29).
Average visibility in September
Kawana, Japan
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, August, September, October, November and December (10km).
The months with the lowest visibility are April, May, June and July (9km).
