Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
The start of September signals a gentle decrease in the average high-temperature, transitioning from a hot 31.2°C (88.2°F) in August to a warm 26.4°C (79.5°F). In the month of September, the nighttime temperature dips to a steady average of 18.5°C (65.3°F).Humidity
In September, the average relative humidity in Kozu is 79%.Rainfall
In September, in Kozu, the rain falls for 15.3 days. Throughout September, 73mm (2.87") of precipitation is accumulated. In Kozu, during the entire year, the rain falls for 166.4 days and collects up to 751mm (29.57") of precipitation.Snowfall
April through November are months without snowfall.Daylight
The average length of the day in September in Kozu is 12h and 24min.On the first day of September in Kozu, sunrise is at 05:31 and sunset at 18:24. On the last day of the month, sunrise is at 05:51 and sunset at 17:43 JST.
Sunshine
The average sunshine in September is 8.6h.UV index
In Kozu, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.Note: A maximum daily UV index of 5 during September morphs into the following directions:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Frequently asked questions
What is the usual temperature for Kozu in September?
What is the average humidity in September in Kozu?
How much does it rain in Kozu in September?
When it does not snow in Kozu?
What is the average length of the day in September in Kozu?
What time are sunrise and sunset in September in Kozu?
How many hours of sunshine does Kozu have in September?
What is the UV index reading in September in Kozu?
Average temperature in September
Kozu, Japan
- Average high temperature in September: 26.4°C
The warmest month (with the highest average high temperature) is August (31.2°C).
The month with the lowest average high temperature is January (6.6°C).
- Average low temperature in September: 18.5°C
The month with the highest average low temperature is August (23°C).
The coldest month (with the lowest average low temperature) is January (0.5°C).
Average pressure in September
Kozu, Japan
- Average pressure in September: 1012.8mbar
The month with the highest atmospheric pressure is February (1019.7mbar).
The month with the lowest atmospheric pressure is June (1008.9mbar).
Average wind speed in September
Kozu, Japan
- Average wind speed in September: 7.2km/h
The windiest months (with the highest average wind speed) are January and March (8.7km/h).
The calmest month (with the lowest average wind speed) is June (6.9km/h).
Average humidity in September
Kozu, Japan
- Average humidity in September: 79%
The month with the highest relative humidity is July (80%).
The month with the lowest relative humidity is May (71%).
Average rainfall in September
Kozu, Japan
- Average rainfall in September: 73mm
The wettest month (with the highest rainfall) is July (145mm).
The driest month (with the least rainfall) is January (22mm).
Average rainfall days in September
Kozu, Japan
- Average rainfall days in September: 15.3 days
The month with the highest number of rainy days is July (22.3 days).
The month with the least rainy days is January (9.6 days).
Average snowfall in September
Kozu, Japan
- Average snowfall in September: 0mm
The month with the highest snowfall is February (16mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Kozu, Japan
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3.5 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
Kozu, Japan
- Average daylight in September: 12h and 2min
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: 8h and 4min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in September
Kozu, Japan
- Average sunshine days in September: 12.2 days
The month with the most sunshine days is November (18 days).
The month with the least sunshine days is July (6.4 days).
Average UV index in September
Kozu, 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
Kozu, Japan
- Average cloud cover in September: 41
The months with the most cloud cover are January and February (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility in September
Kozu, Japan
- Average visibility in September: 8km
The months with the highest visibility are January, February, March, April, November and December (9km).
The months with the lowest visibility are May, June, July, August, September and October (8km).
Kozu, Japan
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