September weather forecastShibatanicho, Japan
September
Weather in September
The first month of the autumn, September, is still a warm month in Shibatanicho, Japan, with an average temperature varying between 27.3°C (81.1°F) and 20.2°C (68.4°F).Temperature
In the transition to September, Shibatanicho observes a minor drop in the average high-temperature, shifting from a hot 31.6°C (88.9°F) in August to a moderately hot 27.3°C (81.1°F). September in Shibatanicho generally records an average low-temperature of 20.2°C (68.4°F).Heat index
During September, the heat index is evaluated at a hot 30°C (86°F). Ongoing activity coupled with exposure often results in weariness and could induce heat cramps.Note that heat index values are valued for light wind and location in the shade. Heat index values have the potential to be boosted by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'real feel' or 'felt air temperature', determines the feeling of heat when you account for the relative humidity. A person's impression of weather can be shaped by many aspects, among them metabolic variations, pregnancy, and levels of physical activity. When in direct sunlight, one should be cautious as it can raise the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Young individuals are generally in more danger than adults due to their lower capacity to sweat. Moreover, their large skin surface in relation to their small bodies and the increased heat generation from their activities makes them more vulnerable.
Humidity
In September, the average relative humidity in Shibatanicho is 75%.Rainfall
In Shibatanicho, in September, during 12 rainfall days, 34mm (1.34") of precipitation is typically accumulated. In Shibatanicho, during the entire year, the rain falls for 149 days and collects up to 436mm (17.17") of precipitation.Snowfall
April through November are months without snowfall.Daylight
The average length of the day in September is 12h and 24min.On the first day of September in Shibatanicho, sunrise is at 05:30 and sunset at 18:24. On the last day of the month, sunrise is at 05:51 and sunset at 17:43 JST.
Sunshine
In Shibatanicho, Japan, the average sunshine in September is 9.1h.UV index
In Shibatanicho, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the ordinary person.Note: In September, a daily maximum UV index of 5 leads to the following instructions:
Guard yourself - An obligation to protect skin and eyes from harm exists. Around midday, solar radiation is most harmful; hence, exposure should be limited. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Shibatanicho, Japan
- Average high temperature in September: 27.3°C
The warmest month (with the highest average high temperature) is August (31.6°C).
The month with the lowest average high temperature is January (7.6°C).
- Average low temperature in September: 20.2°C
The month with the highest average low temperature is August (24.4°C).
The coldest month (with the lowest average low temperature) is January (2.2°C).
Average pressure in September
Shibatanicho, Japan
- Average pressure in September: 1012.7mbar
The month with the highest atmospheric pressure is February (1019.7mbar).
The month with the lowest atmospheric pressure is June (1008.8mbar).
Average wind speed in September
Shibatanicho, Japan
- Average wind speed in September: 7.9km/h
The windiest month (with the highest average wind speed) is January (10.6km/h).
The calmest month (with the lowest average wind speed) is June (7.8km/h).
Average humidity in September
Shibatanicho, Japan
- Average humidity in September: 75%
The month with the highest relative humidity is July (77%).
The month with the lowest relative humidity is May (69%).
Average rainfall in September
Shibatanicho, Japan
- Average rainfall in September: 34mm
The wettest month (with the highest rainfall) is July (79mm).
The driest month (with the least rainfall) is November (20mm).
Average rainfall days in September
Shibatanicho, Japan
- Average rainfall days in September: 12 days
The month with the highest number of rainy days is July (16.3 days).
The month with the least rainy days is May (8.7 days).
Average snowfall in September
Shibatanicho, Japan
- Average snowfall in September: 0mm
The month with the highest snowfall is January (35mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Shibatanicho, Japan
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (6 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in September /
Average sunshine in September
Shibatanicho, 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: 9h and 6min
The month with the most sunshine is August (Average sunshine: 11h and 0min).
The months with the least sunshine are January and February (Average sunshine: 4h and 48min).
Average sunshine days in September
Shibatanicho, Japan
- Average sunshine days in September: 15.5 days
The month with the most sunshine days is May (20 days).
The month with the least sunshine days is January (10.8 days).
Average UV index in September
Shibatanicho, Japan
- Average UV index in September: 5
The months with the highest UV index are July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in September
Shibatanicho, Japan
- Average cloud cover in September: 35
The months with the most cloud cover are January and February (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in September
Shibatanicho, Japan
- Average visibility in September: 9km
The months with the highest visibility are February, March, November and December (10km).
The months with the lowest visibility are January, April, May, June, July, August, September and October (9km).





