September weather forecastKaikawa, Japan
September
Weather in September
September, the first month of the autumn in Kaikawa, is also a moderately hot month, with an average temperature varying between 25.9°C (78.6°F) and 21.6°C (70.9°F).Temperature
The transition into September marks the average high-temperature at a still warm 25.9°C (78.6°F), differing minimally from August's 28.8°C (83.8°F). Kaikawa reports an average low-temperature of 21.6°C (70.9°F) during the subtly cooler September nights.Humidity
The average relative humidity in September is 79%.Rainfall
In Kaikawa, in September, it is raining for 12.9 days, with typically 48mm (1.89") of accumulated precipitation. Throughout the year, there are 133.3 rainfall days, and 454mm (17.87") of precipitation is accumulated.Snowfall
January, March through December are months without snowfall in Kaikawa.Daylight
The average length of the day in September in Kaikawa is 12h and 23min.On the first day of September in Kaikawa, sunrise is at 05:36 and sunset at 18:29. On the last day of the month, sunrise is at 05:56 and sunset at 17:49 JST.
Sunshine
The average sunshine in September in Kaikawa is 9.3h.UV index
In Kaikawa, the average daily maximum UV index in September is 6. A UV Index estimate of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The daily high UV index of 6 during September translates into the following recommendations:
Take precautions against overexposure. Protection against sun damage is needed. Seek shade and limit direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Keep in mind that shade structures like parasols or canopies do not offer complete sun protection. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Kaikawa, Japan
- Average high temperature in September: 25.9°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 (9.3°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 (5.2°C).
Average pressure in September
Kaikawa, Japan
- Average pressure in September: 1012.3mbar
The month with the highest atmospheric pressure is January (1019.9mbar).
The month with the lowest atmospheric pressure is June (1008.6mbar).
Average wind speed in September
Kaikawa, Japan
- Average wind speed in September: 13.3km/h
The windiest month (with the highest average wind speed) is January (18.9km/h).
The calmest month (with the lowest average wind speed) is June (11.2km/h).
Average humidity in September
Kaikawa, Japan
- Average humidity in September: 79%
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is January (68%).
Average rainfall in September
Kaikawa, Japan
- Average rainfall in September: 48mm
The wettest month (with the highest rainfall) is July (73mm).
The driest month (with the least rainfall) is November (16mm).
Average rainfall days in September
Kaikawa, Japan
- Average rainfall days in September: 12.9 days
The month with the highest number of rainy days is August (14.9 days).
The month with the least rainy days is January (5.9 days).
Average snowfall in September
Kaikawa, Japan
- Average snowfall in September: 0mm
The month with the highest snowfall is February (3mm).
The months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in September
Kaikawa, Japan
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (1.2 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
Kaikawa, 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: 10h and 0min).
- Average sunshine in September: 9h and 18min
The month with the most sunshine is August (Average sunshine: 10h and 54min).
The month with the least sunshine is February (Average sunshine: 6h and 0min).
Average sunshine days in September
Kaikawa, Japan
- Average sunshine days in September: 14.3 days
The month with the most sunshine days is January (22.3 days).
The month with the least sunshine days is August (12.3 days).
Average UV index in September
Kaikawa, Japan
- Average UV index in September: 6
The months with the highest UV index are July and August (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in September
Kaikawa, Japan
- Average cloud cover in September: 35
The month with the most cloud cover is June (Cloud cover 42).
The months with the least cloud cover are January, August, November and December (Cloud cover 30).
Average visibility in September
Kaikawa, 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).
