September weather forecastKimiidera, Japan
September
Weather in September
September, the first month of the autumn in Kimiidera, is also a moderately hot month, with temperature in the range of an average high of 26.2°C (79.2°F) and an average low of 21.6°C (70.9°F).Temperature
The start of September comes with a small reduction in the average high-temperature, subtly receding from 29.3°C (84.7°F) in August to a still moderately hot 26.2°C (79.2°F). Kimiidera's nighttime average temperature in September drops marginally from the daytime highs, settling at an agreeable 21.6°C (70.9°F).Humidity
The average relative humidity in September in Kimiidera, Japan, is 77%.Rainfall
In Kimiidera, in September, during 14.2 rainfall days, 64mm (2.52") of precipitation is typically accumulated. In Kimiidera, during the entire year, the rain falls for 173.9 days and collects up to 658mm (25.91") of precipitation.Snowfall
April through November are months without snowfall in Kimiidera.Daylight
In Kimiidera, the average length of the day in September is 12h and 24min.On the first day of the month, sunrise is at 05:32 and sunset at 18:25. On the last day of September, sunrise is at 05:53 and sunset at 17:45 JST.
Sunshine
The average sunshine in September is 9.3h.UV index
In September, the average daily maximum UV index in Kimiidera, Japan, is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for average individuals.Note: In September, the maximum UV index of 5 suggests this advice:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Kimiidera, Japan
- Average high temperature in September: 26.2°C
The warmest month (with the highest average high temperature) is August (29.3°C).
The month with the lowest average high temperature is January (8.7°C).
- Average low temperature in September: 21.6°C
The month with the highest average low temperature is August (24.9°C).
The coldest month (with the lowest average low temperature) is January (4.8°C).
Average pressure in September
Kimiidera, Japan
- Average pressure in September: 1012.5mbar
The months with the highest atmospheric pressure are January and February (1019.7mbar).
The month with the lowest atmospheric pressure is June (1008.7mbar).
Average wind speed in September
Kimiidera, Japan
- Average wind speed in September: 12.3km/h
The windiest month (with the highest average wind speed) is January (19.1km/h).
The calmest month (with the lowest average wind speed) is June (11km/h).
Average humidity in September
Kimiidera, Japan
- Average humidity in September: 77%
The month with the highest relative humidity is July (84%).
The months with the lowest relative humidity are January, February and March (70%).
Average rainfall in September
Kimiidera, Japan
- Average rainfall in September: 64mm
The wettest month (with the highest rainfall) is July (111mm).
The driest months (with the least rainfall) are January and February (30mm).
Average rainfall days in September
Kimiidera, Japan
- Average rainfall days in September: 14.2 days
The month with the highest number of rainy days is July (19.4 days).
The month with the least rainy days is May (10.8 days).
Average snowfall in September
Kimiidera, Japan
- Average snowfall in September: 0mm
The month with the highest snowfall is January (14mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Kimiidera, Japan
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (3.8 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
Kimiidera, Japan
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in September: 9h and 18min
The month with the most sunshine is August (Average sunshine: 11h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 12min).
Average sunshine days in September
Kimiidera, Japan
- Average sunshine days in September: 12.5 days
The month with the most sunshine days is May (18.1 days).
The month with the least sunshine days is December (7.5 days).
Average UV index in September
Kimiidera, Japan
- Average UV index in September: 5
The months with the highest UV index are July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in September
Kimiidera, Japan
- Average cloud cover in September: 33
The month with the most cloud cover is January (Cloud cover 45).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in September
Kimiidera, Japan
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).





