September weather forecastSatte, Japan
September
Weather in September
The first month of the autumn, September, is still a warm month in Satte, Japan, with temperature in the range of an average low of 20.1°C (68.2°F) and an average high of 27.3°C (81.1°F).Temperature
With the onset of September, Satte's average high-temperature slightly adjusts, moderately receding from August's tropical 32.1°C (89.8°F) to a warm 27.3°C (81.1°F). Satte, during the month of September, experiences an average low-temperature of 20.1°C (68.2°F).Heat index
The heat index value for September is evaluated at a hot 30°C (86°F). Persistently participating in activities during exposure may lead to fatigue and induce heat cramps.Understanding the heat index involves considering values for shaded locales with light wind. The heat index could see an increase by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. The individual's temperature perception can be influenced by numerous factors such as metabolic variations, physical activity, and clothing. Understand that direct sun rays can influence the weather's impact, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. 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
In Satte, the average relative humidity in September is 73%.Rainfall
In September, in Satte, Japan, the rain falls for 16.4 days. Throughout September, 98mm (3.86") of precipitation is accumulated. In Satte, during the entire year, the rain falls for 161.6 days and collects up to 782mm (30.79") of precipitation.Snowfall
April through October are months without snowfall in Satte.Daylight
The average length of the day in September in Satte is 12h and 25min.On the first day of September in Satte, Japan, sunrise is at 05:12 and sunset at 18:09. On the last day of the month, sunrise is at 05:35 and sunset at 17:26 JST.
Sunshine
In September, the average sunshine in Satte is 7.6h.UV index
In September, the average daily maximum UV index in Satte is 5. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: An average maximum UV index of 5 in September leads to these recommendations:
Undertake precautions - Guarding against sun damage is counselled. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Satte, Japan
- Average high temperature in September: 27.3°C
The warmest month (with the highest average high temperature) is August (32.1°C).
The month with the lowest average high temperature is January (8°C).
- Average low temperature in September: 20.1°C
The month with the highest average low temperature is August (24.3°C).
The coldest month (with the lowest average low temperature) is January (1°C).
Average pressure in September
Satte, Japan
- Average pressure in September: 1013.7mbar
The month with the highest atmospheric pressure is November (1018.4mbar).
The month with the lowest atmospheric pressure is June (1009.2mbar).
Average wind speed in September
Satte, Japan
- Average wind speed in September: 8.5km/h
The windiest month (with the highest average wind speed) is April (10.9km/h).
The calmest month (with the lowest average wind speed) is November (8.2km/h).
Average humidity in September
Satte, Japan
- Average humidity in September: 73%
The months with the highest relative humidity are June and July (74%).
The month with the lowest relative humidity is January (59%).
Average rainfall in September
Satte, Japan
- Average rainfall in September: 98mm
The wettest month (with the highest rainfall) is October (107mm).
The driest month (with the least rainfall) is December (26mm).
Average rainfall days in September
Satte, Japan
- Average rainfall days in September: 16.4 days
The month with the highest number of rainy days is July (20.8 days).
The month with the least rainy days is January (5.8 days).
Average snowfall in September
Satte, Japan
- Average snowfall in September: 0mm
The month with the highest snowfall is February (39mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Satte, Japan
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Satte, Japan
- Average daylight in September: 12h and 24min
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 36min
The month with the most sunshine is August (Average sunshine: 9h and 42min).
The months with the least sunshine are February and November (Average sunshine: 6h and 6min).
Average sunshine days in September
Satte, Japan
- Average sunshine days in September: 10.5 days
The month with the most sunshine days is January (24.4 days).
The month with the least sunshine days is July (7.3 days).
Average UV index in September
Satte, 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
Satte, Japan
- Average cloud cover in September: 43
The month with the most cloud cover is June (Cloud cover 47).
The month with the least cloud cover is January (Cloud cover 26).
Average visibility in September
Satte, Japan
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, November and December (10km).
The months with the lowest visibility are April, May, June, July, August, September and October (9km).





