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
September
Weather in September
Temperature
With the onset of September, Kasumigaura experiences a modest temperature adjustment, with the average high-temperature gently receding from a tropical 30.6°C (87.1°F) in August to a moderately hot 26.4°C (79.5°F). The temperature in Kasumigaura dips to an average of 20.3°C (68.5°F) during September nights.Humidity
In September, the average relative humidity in Kasumigaura is 77%.Rainfall
In Kasumigaura, during September, the rain falls for 12 days and regularly aggregates up to 28mm (1.1") of precipitation. Throughout the year, there are 132.7 rainfall days, and 294mm (11.57") of precipitation is accumulated.Snowfall
In Kasumigaura, Japan, snow does not fall in April through December.Daylight
In Kasumigaura, the average length of the day in September is 12h and 25min.On the first day of September, sunrise is at 05:10 and sunset at 18:06. On the last day of the month, sunrise is at 05:33 and sunset at 17:24 JST.
Sunshine
The average sunshine in September in Kasumigaura is 7.7h.UV index
In Kasumigaura, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the average person.Note: The maximum UV index of 5 during September translates into these guidelines:
Act with care - Obligation to protect against skin and eye damage is highlighted. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September in Kasumigaura?
What is the average humidity in September in Kasumigaura?
How many days does it rain in September in Kasumigaura?
When it does not snow in Kasumigaura?
What is the average length of the day in September in Kasumigaura?
What time are sunrise and sunset in September in Kasumigaura?
How many hours of sunshine does Kasumigaura have in September?
How high is the UV index in September in Kasumigaura?
Average temperature in September
Kasumigaura, Japan
- Average high temperature in September: 26.4°C
The warmest month (with the highest average high temperature) is August (30.6°C).
The month with the lowest average high temperature is January (8°C).
- Average low temperature in September: 20.3°C
The month with the highest average low temperature is August (23.8°C).
The coldest month (with the lowest average low temperature) is January (1.8°C).
Average pressure in September
Kasumigaura, Japan
- Average pressure in September: 1013.7mbar
The month with the highest atmospheric pressure is November (1018.2mbar).
The month with the lowest atmospheric pressure is June (1009.3mbar).
Average wind speed in September
Kasumigaura, Japan
- Average wind speed in September: 10.7km/h
The windiest months (with the highest average wind speed) are March and April (12.7km/h).
The calmest months (with the lowest average wind speed) are June, July and November (10km/h).
Average humidity in September
Kasumigaura, Japan
- Average humidity in September: 77%
The month with the highest relative humidity is July (80%).
The month with the lowest relative humidity is January (62%).
Average rainfall in September
Kasumigaura, Japan
- Average rainfall in September: 28mm
The wettest month (with the highest rainfall) is October (42mm).
The driest month (with the least rainfall) is January (13mm).
Average rainfall days in September
Kasumigaura, Japan
- Average rainfall days in September: 12 days
The month with the highest number of rainy days is July (13.3 days).
The month with the least rainy days is January (6.6 days).
Average snowfall in September
Kasumigaura, Japan
- Average snowfall in September: 0mm
The month with the highest snowfall is February (13mm).
The months with the least snowfall are April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in September
Kasumigaura, Japan
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.2 days).
The months with the least snowfall days are April, May, June, July, August, September, October, November and December (0 days).
Average daylight in September /
Average sunshine in September
Kasumigaura, Japan
- Average daylight in September: 12h and 2min
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 48min).
- Average sunshine in September: 7h and 4min
The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 5h and 42min).
Average sunshine days in September
Kasumigaura, Japan
- Average sunshine days in September: 15.1 days
The month with the most sunshine days is January (22 days).
The month with the least sunshine days is October (14.3 days).
Average UV index in September
Kasumigaura, Japan
- Average UV index in September: 5
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in September
Kasumigaura, Japan
- Average cloud cover in September: 40
The month with the most cloud cover is June (Cloud cover 47).
The month with the least cloud cover is January (Cloud cover 28).
Average visibility in September
Kasumigaura, Japan
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, October, November and December (10km).
The months with the lowest visibility are May, June, July, August and September (9km).
