September weather forecastKunneppu, Japan
September
Weather in September
September, the first month of the autumn in Kunneppu, is also an agreeable month, with temperature in the range of an average low of 11°C (51.8°F) and an average high of 20.3°C (68.5°F).Temperature
The shift from August to September coincides with a small decrease in the average high-temperature, down to an agreeable 20.3°C (68.5°F) from a moderately hot 23.9°C (75°F). Kunneppu's average low-temperature during September nights is observed to be a cool 11°C (51.8°F).Humidity
In Kunneppu, the average relative humidity in September is 82%.Rainfall
In Kunneppu, Japan, in September, it is raining for 16.3 days, with typically 70mm (2.76") of accumulated precipitation. Throughout the year, there are 163 rainfall days, and 723mm (28.46") of precipitation is accumulated.Snowfall
In Kunneppu, snow does not fall in June through September.Daylight
In September, the average length of the day is 12h and 31min.On the first day of September, sunrise is at 04:48 and sunset at 18:01. On the last day of the month, sunrise is at 05:21 and sunset at 17:08 JST.
Sunshine
In Kunneppu, the average sunshine in September is 7.4h.UV index
The average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: In September, the average maximum UV index of 4 translates into the following recommendations:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Kunneppu, Japan
- Average high temperature in September: 20.3°C
The warmest month (with the highest average high temperature) is August (23.9°C).
The month with the lowest average high temperature is January (-4.8°C).
- Average low temperature in September: 11°C
The month with the highest average low temperature is August (14.6°C).
The coldest month (with the lowest average low temperature) is February (-12.3°C).
Average pressure in September
Kunneppu, Japan
- Average pressure in September: 1013.9mbar
The month with the highest atmospheric pressure is October (1015.4mbar).
The month with the lowest atmospheric pressure is July (1009.1mbar).
Average wind speed in September
Kunneppu, Japan
- Average wind speed in September: 8.2km/h
The windiest month (with the highest average wind speed) is April (10.1km/h).
The calmest month (with the lowest average wind speed) is August (7km/h).
Average humidity in September
Kunneppu, Japan
- Average humidity in September: 82%
The month with the highest relative humidity is February (91%).
The month with the lowest relative humidity is May (76%).
Average rainfall in September
Kunneppu, Japan
- Average rainfall in September: 70mm
The wettest month (with the highest rainfall) is August (111mm).
The driest month (with the least rainfall) is February (35mm).
Average rainfall days in September
Kunneppu, Japan
- Average rainfall days in September: 16.3 days
The month with the highest number of rainy days is July (20 days).
The month with the least rainy days is February (6.4 days).
Average snowfall in September
Kunneppu, Japan
- Average snowfall in September: 0mm
The month with the highest snowfall is January (310mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Kunneppu, Japan
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (23.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Kunneppu, Japan
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in September: 7h and 24min
The month with the most sunshine is May (Average sunshine: 8h and 30min).
The month with the least sunshine is February (Average sunshine: 3h and 12min).
Average sunshine days in September
Kunneppu, Japan
- Average sunshine days in September: 11.3 days
The month with the most sunshine days is October (13.3 days).
The month with the least sunshine days is March (6.3 days).
Average UV index in September
Kunneppu, Japan
- Average UV index in September: 4
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March and December (UV index 1).
Average cloud cover in September
Kunneppu, Japan
- Average cloud cover in September: 45
The months with the most cloud cover are January and February (Cloud cover 66).
The month with the least cloud cover is October (Cloud cover 39).
Average visibility in September
Kunneppu, Japan
- Average visibility in September: 8km
The months with the highest visibility are October and November (9km).
The month with the lowest visibility is February (6km).
