September weather forecastShiki, Japan
September
Weather in September
September, the first month of the autumn in Shiki, is still a warm month, with an average temperature ranging between min 20.9°C (69.6°F) and max 27.5°C (81.5°F).Temperature
A moderate decline in average high-temperatures is noted in September, moving from a tropical 31.9°C (89.4°F) in August to a moderately hot 27.5°C (81.5°F). In the month of September, Shiki's average low-temperature falls to an agreeable 20.9°C (69.6°F).Heat index
September's mean heat index is calculated to be a hot 30°C (86°F). Constant activity during exposure could result in a state of weariness and possibly heat cramps.Be aware that heat index ratings are designed for shaded locations and minor breezes. The heat index can potentially augment by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', shows a temperature sensation when both heat and moisture conditions are combined. Additional elements encompassing metabolic differences, the degree of physical activity, and attire can impact the individual's perception of temperature. Keep aware, the sun, when shining directly, can intensify the heat experience, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. In general, younger individuals are at greater risk than adults because they tend to sweat less. Also, having a larger skin surface to body size ratio and greater heat production due to their active behavior contribute to this danger.
Humidity
The average relative humidity in September in Shiki is 73%.Rainfall
In Shiki, during September, the rain falls for 14 days and regularly aggregates up to 74mm (2.91") of precipitation. In Shiki, Japan, during the entire year, the rain falls for 138 days and collects up to 580mm (22.83") of precipitation.Snowfall
In Shiki, snow does not fall in April through October and December.Daylight
The average length of the day in September in Shiki is 12h and 25min.On the first day of September in Shiki, sunrise is at 05:13 and sunset at 18:09. On the last day of the month, sunrise is at 05:35 and sunset at 17:27 JST.
Sunshine
In Shiki, the average sunshine in September is 7.8h.UV index
In Shiki, the average daily maximum UV index in September is 6. A UV Index of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for the average person.Note: The maximum UV index, 6 during September, leads to the following recommendations:
Deflect overexposure. Sun protection is a necessity. Avoid direct sunlight between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Keep in mind that shade structures may not provide complete protection. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Shiki, Japan
- Average high temperature in September: 27.5°C
The warmest month (with the highest average high temperature) is August (31.9°C).
The month with the lowest average high temperature is January (8.5°C).
- Average low temperature in September: 20.9°C
The month with the highest average low temperature is August (24.9°C).
The coldest month (with the lowest average low temperature) is January (2°C).
Average pressure in September
Shiki, Japan
- Average pressure in September: 1013.6mbar
The month with the highest atmospheric pressure is November (1018.2mbar).
The month with the lowest atmospheric pressure is June (1009.2mbar).
Average wind speed in September
Shiki, Japan
- Average wind speed in September: 10km/h
The windiest month (with the highest average wind speed) is April (12.6km/h).
The calmest month (with the lowest average wind speed) is November (9.7km/h).
Average humidity in September
Shiki, Japan
- Average humidity in September: 73%
The month with the highest relative humidity is July (75%).
The month with the lowest relative humidity is January (59%).
Average rainfall in September
Shiki, Japan
- Average rainfall in September: 74mm
The wettest month (with the highest rainfall) is October (79mm).
The driest month (with the least rainfall) is December (19mm).
Average rainfall days in September
Shiki, Japan
- Average rainfall days in September: 14 days
The month with the highest number of rainy days is June (15.7 days).
The month with the least rainy days is January (4.1 days).
Average snowfall in September
Shiki, Japan
- Average snowfall in September: 0mm
The month with the highest snowfall is February (33mm).
The months with the least snowfall are April, May, June, July, August, September, October and December (0mm).
Average snowfall days in September
Shiki, Japan
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.8 days).
The months with the least snowfall days are April, May, June, July, August, September, October and December (0 days).
Average daylight in September /
Average sunshine in September
Shiki, 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 48min).
- Average sunshine in September: 7h and 48min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 6h and 0min).
Average sunshine days in September
Shiki, Japan
- Average sunshine days in September: 12.6 days
The month with the most sunshine days is January (26 days).
The month with the least sunshine days is June (11.9 days).
Average UV index in September
Shiki, Japan
- Average UV index in September: 6
The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in September
Shiki, Japan
- Average cloud cover in September: 41
The months with the most cloud cover are June and October (Cloud cover 44).
The month with the least cloud cover is January (Cloud cover 26).
Average visibility in September
Shiki, Japan
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, August, October, November and December (10km).
The months with the lowest visibility are June, July and September (9km).
