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 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
In September, Sunabe experiences a barely noticeable shift in meteorological conditions, with average high-temperatures moving from 29.5°C (85.1°F) in August to a still warm 28.6°C (83.5°F). Sunabe records a slight downturn in temperature to an average of 27.2°C (81°F) during September nights.Heat index
The average heat index in September is calculated to be a tropical 33°C (91.4°F). Exercise enhanced safety steps, heat cramps and heat exhaustion are probable. Heatstroke could be a result of sustained activity.Know that the heat index computations account for shaded terrains and slight winds. The heat index could experience an increase of 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'real feel' or 'apparent temperature', ties air temperature with relative humidity to produce the perceived temperature sensation. The impact of weather is individual, with diverse individuals experiencing it differently due to variations in body mass, height, and activity levels. Take note that direct exposure to the sun can increase the felt temperature, possibly adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are primarily vital for children. Kids are generally in more danger than adults because they perspire less. Their large skin surface area compared to their small bodies and the excessive heat due to their actions raises their risk.
Humidity
The average relative humidity in September is 79%.Rainfall
In Sunabe, in September, during 19.7 rainfall days, 127mm (5") of precipitation is typically accumulated. Throughout the year, in Sunabe, there are 216.1 rainfall days, and 1313mm (51.69") of precipitation is accumulated.Daylight
In Sunabe, the average length of the day in September is 12h and 19min.On the first day of the month, sunrise is at 06:08 and sunset at 18:48. On the last day of September, in Sunabe, sunrise is at 06:21 and sunset at 18:16 JST.
Sunshine
In September, the average sunshine in Sunabe is 8.3h.UV index
The months with the highest UV index in Sunabe are June through September, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for the average person.Note: A daily maximum UV index of 7 in September translates into the following instructions:
Stand by precautions and apply sun safety measures. Evading sunburn is of great importance. To the best of your ability, limit your exposure to the sun between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot does it get in Sunabe in September?
What is the average humidity in September in Sunabe?
How much does it rain in Sunabe in September?
How many hours of daylight does Sunabe have in September?
What time are sunrise and sunset in September in Sunabe?
How many hours of sunshine does Sunabe have in September?
When is the highest UV index in Sunabe?
What is the UV index intensity in September in Sunabe?
Average temperature in September
Sunabe, Japan
- Average high temperature in September: 28.6°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 (18.8°C).
- Average low temperature in September: 27.2°C
The month with the highest average low temperature is August (28.2°C).
The coldest month (with the lowest average low temperature) is January (16.8°C).
Average pressure in September
Sunabe, Japan
- Average pressure in September: 1009.1mbar
The month with the highest atmospheric pressure is January (1020.9mbar).
The month with the lowest atmospheric pressure is August (1006.6mbar).
Average wind speed in September
Sunabe, Japan
- Average wind speed in September: 22.2km/h
The windiest month (with the highest average wind speed) is December (27.6km/h).
The calmest month (with the lowest average wind speed) is May (19.5km/h).
Average humidity in September
Sunabe, Japan
- Average humidity in September: 79%
The month with the highest relative humidity is June (86%).
The month with the lowest relative humidity is January (72%).
Average rainfall in September
Sunabe, Japan
- Average rainfall in September: 127mm
The wettest month (with the highest rainfall) is June (198mm).
The driest months (with the least rainfall) are January and February (53mm).
Average rainfall days in September
Sunabe, Japan
- Average rainfall days in September: 19.7 days
The months with the highest number of rainy days are September and October (19.7 days).
The month with the least rainy days is July (16.1 days).
Average daylight in September /
Average sunshine in September
Sunabe, Japan
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 13h and 48min).
The month with the shortest days is December (Average daylight: 10h and 30min).
- Average sunshine in September: 8h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days in September
Sunabe, Japan
- Average sunshine days in September: 6.8 days
The month with the most sunshine days is July (12.6 days).
The month with the least sunshine days is September (6.8 days).
Average UV index in September
Sunabe, Japan
- Average UV index in September: 7
The months with the highest UV index are June, July, August and September (UV index 7).
The month with the lowest UV index is December (UV index 4).
Average cloud cover in September
Sunabe, Japan
- Average cloud cover in September: 38
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is July (Cloud cover 34).
Average visibility in September
Sunabe, Japan
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
