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
The shift from August to September involves a decrease in the average high-temperature, dropping from a hot 31.3°C (88.3°F) to a warm 26.1°C (79°F). During September, the nighttime temperature averages to an enjoyable 18.3°C (64.9°F).Humidity
In Yawata, the average relative humidity in September is 80%.Rainfall
In Yawata, Japan, in September, during 15.6 rainfall days, 61mm (2.4") of precipitation is typically accumulated. Throughout the year, in Yawata, there are 154.2 rainfall days, and 647mm (25.47") of precipitation is accumulated.Snowfall
April through November are months without snowfall in Yawata.Daylight
In September, the average length of the day in Yawata is 12h and 24min.On the first day of the month, sunrise is at 05:30 and sunset at 18:24. On the last day of September, in Yawata, sunrise is at 05:51 and sunset at 17:43 JST.
Sunshine
In Yawata, the average sunshine in September is 8.2h.UV index
The average daily maximum UV index in September in Yawata, Japan, is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: A typical high UV index of 5 in September suggests the following recommendations:
Act with care - The need to guard against sun damage is communicated. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September in Yawata?
What is the average humidity in September in Yawata?
How much does it rain in Yawata in September?
When it does not snow in Yawata?
How many hours of daylight does Yawata have in September?
When is the sunrise / sunset in September in Yawata?
How many hours of sunshine does Yawata have in September?
How high is the UV index in September in Yawata?
Average temperature in September
Yawata, Japan
- Average high temperature in September: 26.1°C
The warmest month (with the highest average high temperature) is August (31.3°C).
The month with the lowest average high temperature is January (6.2°C).
- Average low temperature in September: 18.3°C
The month with the highest average low temperature is August (22.8°C).
The coldest month (with the lowest average low temperature) is January (0.3°C).
Average pressure in September
Yawata, Japan
- Average pressure in September: 1012.9mbar
The month with the highest atmospheric pressure is February (1019.7mbar).
The month with the lowest atmospheric pressure is June (1008.9mbar).
Average wind speed in September
Yawata, Japan
- Average wind speed in September: 7.4km/h
The windiest month (with the highest average wind speed) is March (8.6km/h).
The calmest months (with the lowest average wind speed) are June and July (6.9km/h).
Average humidity in September
Yawata, Japan
- Average humidity in September: 80%
The months with the highest relative humidity are July and October (81%).
The month with the lowest relative humidity is May (73%).
Average rainfall in September
Yawata, Japan
- Average rainfall in September: 61mm
The wettest month (with the highest rainfall) is July (134mm).
The driest months (with the least rainfall) are January and November (18mm).
Average rainfall days in September
Yawata, Japan
- Average rainfall days in September: 15.6 days
The month with the highest number of rainy days is July (21.4 days).
The month with the least rainy days is November (8.1 days).
Average snowfall in September
Yawata, Japan
- Average snowfall in September: 0mm
The month with the highest snowfall is February (12mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Yawata, Japan
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (2.5 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
Yawata, 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: 8h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).
Average sunshine days in September
Yawata, Japan
- Average sunshine days in September: 12.6 days
The month with the most sunshine days is November (20.8 days).
The month with the least sunshine days is July (7.2 days).
Average UV index in September
Yawata, 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
Yawata, Japan
- Average cloud cover in September: 46
The month with the most cloud cover is January (Cloud cover 52).
The months with the least cloud cover are May and August (Cloud cover 40).
Average visibility in September
Yawata, Japan
- Average visibility in September: 8km
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (8km).
The month with the lowest visibility is July (7km).
