September weather forecastChikusei, Japan
September
Weather in September
September, the first month of the autumn in Chikusei, is also a moderately hot month, with temperature in the range of an average high of 26.7°C (80.1°F) and an average low of 19.4°C (66.9°F).Temperature
Chikusei's progression into September involves a gentle drop in the average high-temperature, from a tropical 31.6°C (88.9°F) in August to a moderately hot 26.7°C (80.1°F). An average nighttime temperature of 19.4°C (66.9°F) is witnessed in Chikusei throughout September.Humidity
The average relative humidity in September is 76%.Rainfall
In Chikusei, in September, it is raining for 16.3 days, with typically 96mm (3.78") of accumulated precipitation. Throughout the year, there are 167.1 rainfall days, and 832mm (32.76") of precipitation is accumulated.Snowfall
April through October and December are months without snowfall in Chikusei.Daylight
In Chikusei, the average length of the day in September is 12h and 25min.On the first day of the month, sunrise is at 05:11 and sunset at 18:08. On the last day of September, sunrise is at 05:34 and sunset at 17:25 JST.
Sunshine
The average sunshine in September is 7.7h.UV index
The average daily maximum UV index in September in Chikusei is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: The maximum UV index, 5 during September, leads to the following recommendations:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Chikusei, Japan
- Average high temperature in September: 26.7°C
The warmest month (with the highest average high temperature) is August (31.6°C).
The month with the lowest average high temperature is January (7.4°C).
- Average low temperature in September: 19.4°C
The month with the highest average low temperature is August (23.3°C).
The coldest month (with the lowest average low temperature) is January (0.3°C).
Average pressure in September
Chikusei, Japan
- Average pressure in September: 1013.8mbar
The month with the highest atmospheric pressure is November (1018.4mbar).
The month with the lowest atmospheric pressure is June (1009.3mbar).
Average wind speed in September
Chikusei, Japan
- Average wind speed in September: 8.2km/h
The windiest month (with the highest average wind speed) is April (9.9km/h).
The calmest month (with the lowest average wind speed) is November (7.2km/h).
Average humidity in September
Chikusei, Japan
- Average humidity in September: 76%
The month with the highest relative humidity is July (78%).
The month with the lowest relative humidity is January (61%).
Average rainfall in September
Chikusei, Japan
- Average rainfall in September: 96mm
The wettest month (with the highest rainfall) is October (109mm).
The driest month (with the least rainfall) is December (27mm).
Average rainfall days in September
Chikusei, Japan
- Average rainfall days in September: 16.3 days
The month with the highest number of rainy days is July (21.2 days).
The month with the least rainy days is January (6.7 days).
Average snowfall in September
Chikusei, Japan
- Average snowfall in September: 0mm
The month with the highest snowfall is February (39mm).
The months with the least snowfall are April, May, June, July, August, September, October and December (0mm).
Average snowfall days in September
Chikusei, Japan
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3.1 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Chikusei, 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: 7h and 42min
The month with the most sunshine is August (Average sunshine: 9h and 48min).
The month with the least sunshine is February (Average sunshine: 6h and 6min).
Average sunshine days in September
Chikusei, Japan
- Average sunshine days in September: 10.5 days
The month with the most sunshine days is January (22.8 days).
The month with the least sunshine days is July (7 days).
Average UV index in September
Chikusei, 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
Chikusei, Japan
- Average cloud cover in September: 42
The month with the most cloud cover is June (Cloud cover 48).
The month with the least cloud cover is January (Cloud cover 26).
Average visibility in September
Chikusei, Japan
- Average visibility in September: 9km
The months with the highest visibility are January, February, March and December (10km).
The months with the lowest visibility are April, May, June, July, August, September, October and November (9km).
