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 move into September indicates a slight reduction in the average high-temperature, down from August's moderately hot 29.2°C (84.6°F) to a still warm 25.5°C (77.9°F). An average low-temperature of 19.7°C (67.5°F) marks the month of September in Waki.Humidity
In September, the average relative humidity in Waki, Japan, is 80%.Rainfall
In Waki, in September, it is raining for 13.9 days, with typically 47mm (1.85") of accumulated precipitation. In Waki, during the entire year, the rain falls for 161.2 days and collects up to 650mm (25.59") of precipitation.Snowfall
In Waki, snow does not fall in April through November.Daylight
The average length of the day in September is 12h and 24min.On the first day of the month, sunrise is at 05:44 and sunset at 18:37. On the last day of September, in Waki, sunrise is at 06:05 and sunset at 17:57 JST.
Sunshine
The average sunshine in September in Waki is 9.3h.UV index
In Waki, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum UV index, 5 during September, leads to the following recommendations:
Act with care - The suggestion to avoid sunburn is emphasized. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Waki in September?
What is the average humidity in September in Waki?
How many days does it rain in September in Waki?
When it does not snow in Waki?
What is the average length of the day in September in Waki?
When is the sunrise / sunset in September in Waki?
How many hours of sunshine does Waki have in September?
How high is the UV index in September in Waki?
Average temperature in September
Waki, Japan
- Average high temperature in September: 25.5°C
The warmest month (with the highest average high temperature) is August (29.2°C).
The month with the lowest average high temperature is January (7.6°C).
- Average low temperature in September: 19.7°C
The month with the highest average low temperature is August (23.4°C).
The coldest month (with the lowest average low temperature) is January (2.8°C).
Average pressure in September
Waki, Japan
- Average pressure in September: 1012.5mbar
The month with the highest atmospheric pressure is January (1021.2mbar).
The month with the lowest atmospheric pressure is June (1008.4mbar).
Average wind speed in September
Waki, Japan
- Average wind speed in September: 8km/h
The windiest month (with the highest average wind speed) is January (11.8km/h).
The calmest month (with the lowest average wind speed) is June (6.7km/h).
Average humidity in September
Waki, Japan
- Average humidity in September: 80%
The month with the highest relative humidity is July (86%).
The month with the lowest relative humidity is March (73%).
Average rainfall in September
Waki, Japan
- Average rainfall in September: 47mm
The wettest month (with the highest rainfall) is July (137mm).
The driest month (with the least rainfall) is November (24mm).
Average rainfall days in September
Waki, Japan
- Average rainfall days in September: 13.9 days
The month with the highest number of rainy days is July (20 days).
The month with the least rainy days is October (9.7 days).
Average snowfall in September
Waki, Japan
- Average snowfall in September: 0mm
The month with the highest snowfall is January (13mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Waki, Japan
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (4.8 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
Waki, 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: 9h and 2min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 5h and 0min).
Average sunshine days in September
Waki, Japan
- Average sunshine days in September: 12.9 days
The month with the most sunshine days is May (19 days).
The month with the least sunshine days is July (8.8 days).
Average UV index in September
Waki, 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 and December (UV index 2).
Average cloud cover in September
Waki, Japan
- Average cloud cover in September: 35
The months with the most cloud cover are January and June (Cloud cover 43).
The months with the least cloud cover are August and October (Cloud cover 31).
Average visibility in September
Waki, Japan
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, September, October, November and December (10km).
The month with the lowest visibility is July (8km).
Waki, Japan
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