September weather forecastKiryu, Japan
September
Weather in September
September, the first month of the autumn in Kiryu, is also a moderately hot month, with an average temperature ranging between min 16.5°C (61.7°F) and max 24.5°C (76.1°F).Temperature
Kiryu records a mild change in average high-temperature during September, easing from a moderately hot 28.8°C (83.8°F) in August to a still warm 24.5°C (76.1°F). In Kiryu, an average nighttime temperature of 16.5°C (61.7°F) is expected during September.Humidity
In Kiryu, the average relative humidity in September is 79%.Rainfall
In Kiryu, in September, during 17.4 rainfall days, 93mm (3.66") of precipitation is typically accumulated. Throughout the year, there are 175.4 rainfall days, and 945mm (37.2") of precipitation is accumulated.Snowfall
In Kiryu, snow does not fall in May through October.Daylight
The average length of the day in September in Kiryu is 12h and 25min.On the first day of the month, sunrise is at 05:14 and sunset at 18:11. On the last day of September, sunrise is at 05:37 and sunset at 17:28 JST.
Sunshine
In Kiryu, the average sunshine in September is 8.1h.UV index
In September, the average daily maximum UV index in Kiryu, Japan, is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum UV index, 5 during September, leads to the following recommendations:
Take precautions - Protection against sun damage is advised. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Kiryu, Japan
- Average high temperature in September: 24.5°C
The warmest month (with the highest average high temperature) is August (28.8°C).
The month with the lowest average high temperature is January (4.8°C).
- Average low temperature in September: 16.5°C
The month with the highest average low temperature is August (20.7°C).
The coldest month (with the lowest average low temperature) is January (-2.1°C).
Average pressure in September
Kiryu, Japan
- Average pressure in September: 1013.9mbar
The month with the highest atmospheric pressure is November (1018.7mbar).
The month with the lowest atmospheric pressure is June (1009.3mbar).
Average wind speed in September
Kiryu, Japan
- Average wind speed in September: 6.4km/h
The windiest month (with the highest average wind speed) is January (10.3km/h).
The calmest month (with the lowest average wind speed) is July (5.6km/h).
Average humidity in September
Kiryu, Japan
- Average humidity in September: 79%
The month with the highest relative humidity is July (81%).
The month with the lowest relative humidity is January (65%).
Average rainfall in September
Kiryu, Japan
- Average rainfall in September: 93mm
The wettest month (with the highest rainfall) is July (163mm).
The driest month (with the least rainfall) is February (21mm).
Average rainfall days in September
Kiryu, Japan
- Average rainfall days in September: 17.4 days
The month with the highest number of rainy days is July (25.2 days).
The month with the least rainy days is February (7.1 days).
Average snowfall in September
Kiryu, Japan
- Average snowfall in September: 0mm
The month with the highest snowfall is February (46mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Kiryu, Japan
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (5.8 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
Kiryu, 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 42min).
- Average sunshine in September: 8h and 6min
The month with the most sunshine is May (Average sunshine: 9h and 36min).
The month with the least sunshine is February (Average sunshine: 6h and 24min).
Average sunshine days in September
Kiryu, Japan
- Average sunshine days in September: 10.7 days
The month with the most sunshine days is December (20.7 days).
The month with the least sunshine days is July (3.3 days).
Average UV index in September
Kiryu, Japan
- Average UV index in September: 5
The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January, February, March and December (UV index 2).
Average cloud cover in September
Kiryu, Japan
- Average cloud cover in September: 41
The months with the most cloud cover are June and July (Cloud cover 48).
The months with the least cloud cover are January, November and December (Cloud cover 27).
Average visibility in September
Kiryu, Japan
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, November and December (10km).
The month with the lowest visibility is July (8km).
