September weather forecastYaizu, Japan
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Yaizu, Japan, with an average temperature fluctuating between 26.1°C (79°F) and 19.6°C (67.3°F).Temperature
The beginning of September subtly marks a decrease in the average high-temperature, transitioning from a moderately hot 29.5°C (85.1°F) in August to a still warm 26.1°C (79°F). An average nighttime temperature of 19.6°C (67.3°F) is witnessed in Yaizu throughout September.Humidity
In Yaizu, the average relative humidity in September is 79%.Rainfall
In Yaizu, during September, the rain falls for 16 days and regularly aggregates up to 91mm (3.58") of precipitation. In Yaizu, during the entire year, the rain falls for 163.6 days and collects up to 1073mm (42.24") of precipitation.Snowfall
In Yaizu, snow does not fall in April through November.Sea temperature
In September, the average sea temperature in Yaizu is 25.8°C (78.4°F).Note: Temperatures between 25°C (77°F) and 29°C (84.2°F) are ideal for swimming, diving, and similar water activities, ensuring pleasure and comfort for extended periods without feeling uneasy.
Daylight
In September, the average length of the day is 12h and 24min.On the first day of September, sunrise is at 05:19 and sunset at 18:13. On the last day of the month, sunrise is at 05:40 and sunset at 17:32 JST.
Sunshine
In Yaizu, the average sunshine in September is 8.9h.UV index
In Yaizu, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the ordinary 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. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Note! Reflective surfaces like sand and water heighten the UV radiation levels.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Yaizu, Japan
- Average high temperature in September: 26.1°C
The warmest month (with the highest average high temperature) is August (29.5°C).
The month with the lowest average high temperature is January (8.7°C).
- Average low temperature in September: 19.6°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 (1.8°C).
Average pressure in September
Yaizu, Japan
- Average pressure in September: 1013.1mbar
The month with the highest atmospheric pressure is November (1018.4mbar).
The month with the lowest atmospheric pressure is June (1009.1mbar).
Average wind speed in September
Yaizu, Japan
- Average wind speed in September: 10.3km/h
The windiest month (with the highest average wind speed) is January (15.8km/h).
The calmest month (with the lowest average wind speed) is August (9.5km/h).
Average humidity in September
Yaizu, Japan
- Average humidity in September: 79%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is January (64%).
Average rainfall in September
Yaizu, Japan
- Average rainfall in September: 91mm
The wettest month (with the highest rainfall) is July (201mm).
The driest month (with the least rainfall) is January (28mm).
Average rainfall days in September
Yaizu, Japan
- Average rainfall days in September: 16 days
The month with the highest number of rainy days is July (19.8 days).
The month with the least rainy days is January (7.2 days).
Average snowfall in September
Yaizu, Japan
- Average snowfall in September: 0mm
The months with the highest snowfall are January, February, March and December (1mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Yaizu, Japan
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (1 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average sea temperature in September
Yaizu, Japan
- Average sea temperature in September: 25.8°C
The best month for swimming (with the highest average sea temperature) is August (26.6°C).
The coldest month (with the lowest average sea temperature) is February (15.4°C).
Average daylight in September /
Average sunshine in September
Yaizu, Japan
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in September: 8h and 54min
The month with the most sunshine is August (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 6h and 12min).
Average sunshine days in September
Yaizu, Japan
- Average sunshine days in September: 11.5 days
The month with the most sunshine days is January (21.8 days).
The month with the least sunshine days is July (8.4 days).
Average UV index in September
Yaizu, Japan
- Average UV index in September: 5
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, March and December (UV index 3).
Average cloud cover in September
Yaizu, Japan
- Average cloud cover in September: 34
The month with the most cloud cover is June (Cloud cover 42).
The month with the least cloud cover is January (Cloud cover 22).
Average visibility in September
Yaizu, Japan
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, August, September, October, November and December (10km).
The months with the lowest visibility are June and July (9km).
