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
Wassamu's weather in September involves a mild decrease in the average high-temperature, moving down slightly from August's moderately hot 23.5°C (74.3°F) to a refreshing 19.3°C (66.7°F). Throughout September, an average nighttime temperature of 9.5°C (49.1°F) is experienced in Wassamu.Humidity
The average relative humidity in September in Wassamu is 84%.Rainfall
In Wassamu, in September, during 18 rainfall days, 80mm (3.15") of precipitation is typically accumulated. Throughout the year, in Wassamu, there are 156 rainfall days, and 936mm (36.85") of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
In Wassamu, the average length of the day in September is 12h and 32min.On the first day of the month, sunrise is at 04:53 and sunset at 18:06. On the last day of September, in Wassamu, sunrise is at 05:26 and sunset at 17:13 JST.
Sunshine
In September, the average sunshine in Wassamu is 6.5h.UV index
In September, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the average person.Note: The maximum daily UV index, 3 in September, converts into the following recommendations:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
Frequently asked questions
What is the temperature in September in Wassamu?
What is the average humidity in September in Wassamu?
How much does it rain in Wassamu in September?
When it does not snow in Wassamu?
Does it snow in Wassamu in September?
What is the average length of the day in September in Wassamu?
When is the sunrise / sunset in September in Wassamu?
How many hours of sunshine does Wassamu have in September?
How high is the UV index in September in Wassamu?
Average temperature in September
Wassamu, Japan
- Average high temperature in September: 19.3°C
The warmest month (with the highest average high temperature) is August (23.5°C).
The month with the lowest average high temperature is January (-5.8°C).
- Average low temperature in September: 9.5°C
The month with the highest average low temperature is August (13.7°C).
The coldest month (with the lowest average low temperature) is February (-12.2°C).
Average pressure in September
Wassamu, Japan
- Average pressure in September: 1013.4mbar
The months with the highest atmospheric pressure are October and November (1015mbar).
The month with the lowest atmospheric pressure is July (1008.6mbar).
Average wind speed in September
Wassamu, Japan
- Average wind speed in September: 8.4km/h
The windiest month (with the highest average wind speed) is December (11.5km/h).
The calmest month (with the lowest average wind speed) is July (6.9km/h).
Average humidity in September
Wassamu, Japan
- Average humidity in September: 84%
The month with the highest relative humidity is January (95%).
The month with the lowest relative humidity is May (79%).
Average rainfall in September
Wassamu, Japan
- Average rainfall in September: 80mm
The wettest month (with the highest rainfall) is August (121mm).
The driest month (with the least rainfall) is April (50mm).
Average rainfall days in September
Wassamu, Japan
- Average rainfall days in September: 18 days
The month with the highest number of rainy days is August (20.6 days).
The month with the least rainy days is January (2.4 days).
Average snowfall in September
Wassamu, Japan
- Average snowfall in September: 0mm
The month with the highest snowfall is December (688mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Wassamu, Japan
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (28.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Wassamu, Japan
- Average daylight in September: 12h and 3min
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: 6h and 3min
The months with the most sunshine are May and August (Average sunshine: 7h and 12min).
The month with the least sunshine is January (Average sunshine: 1h and 0min).
Average sunshine days in September
Wassamu, Japan
- Average sunshine days in September: 10.1 days
The month with the most sunshine days is May (12.1 days).
The month with the least sunshine days is December (1.8 days).
Average UV index in September
Wassamu, Japan
- Average UV index in September: 3
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 1).
Average cloud cover in September
Wassamu, Japan
- Average cloud cover in September: 55
The month with the most cloud cover is January (Cloud cover 90).
The months with the least cloud cover are April, May and September (Cloud cover 55).
Average visibility in September
Wassamu, Japan
- Average visibility in September: 7km
The months with the highest visibility are April, May and October (8km).
The month with the lowest visibility is January (4km).
Wassamu, Japan
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