September weather forecastShioimachi, Japan
September weather for Shioimachi, Japan: September, the first month of the autumn in Shioimachi, is still a warm month, with an average temperature ranging between min 21.4°C (70.5°F) and max 26°C (78.8°F). During the month of September, Shioimachi's average nighttime temperature closely mirrors its daytime counterpart, at a pleasant 21.4°C (70.5°F).
September
Weather in September
September, the first month of the autumn in Shioimachi, is still a warm month, with an average temperature ranging between min 21.4°C (70.5°F) and max 26°C (78.8°F).Temperature
Transitioning from August to September involves a subtle drop in average high-temperatures, descending from 29.7°C (85.5°F) to a still moderately hot 26°C (78.8°F). During the month of September, Shioimachi's average nighttime temperature closely mirrors its daytime counterpart, at a pleasant 21.4°C (70.5°F).Humidity
The average relative humidity in September is 78%.Rainfall
In Shioimachi, in September, it is raining for 15 days, with typically 84mm (3.31") of accumulated precipitation. In Shioimachi, Japan, during the entire year, the rain falls for 176.5 days and collects up to 1039mm (40.91") of precipitation.Snowfall
In Shioimachi, snow does not fall in March through November.Daylight
In Shioimachi, the average length of the day in September is 12h and 23min.On the first day of the month, sunrise is at 05:50 and sunset at 18:42. On the last day of September, sunrise is at 06:10 and sunset at 18:02 JST.
Sunshine
The average sunshine in September in Shioimachi is 8.5h.UV index
The average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A typical high UV index of 6 in September suggests the following recommendations:
Incorporate safeguards and honour sun safety principles. Protection from skin and eye damage is obligatory. Stay out of direct sunlight and seek shade between 10 a.m. and 4 p.m., when UV radiation is strongest, but remember that shade devices may not offer full sun protection. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Shioimachi, Japan
- Average high temperature in September: 26°C
The warmest month (with the highest average high temperature) is August (29.7°C).
The month with the lowest average high temperature is January (8.8°C).
- Average low temperature in September: 21.4°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 (5.3°C).
Average pressure in September
Shioimachi, Japan
- Average pressure in September: 1012.4mbar
The month with the highest atmospheric pressure is January (1021.9mbar).
The month with the lowest atmospheric pressure is June (1008.3mbar).
Average wind speed in September
Shioimachi, Japan
- Average wind speed in September: 12.9km/h
The windiest month (with the highest average wind speed) is December (17.6km/h).
The calmest month (with the lowest average wind speed) is June (10.8km/h).
Average humidity in September
Shioimachi, Japan
- Average humidity in September: 78%
The month with the highest relative humidity is July (85%).
The months with the lowest relative humidity are January, February and March (69%).
Average rainfall in September
Shioimachi, Japan
- Average rainfall in September: 84mm
The wettest month (with the highest rainfall) is July (209mm).
The driest month (with the least rainfall) is January (44mm).
Average rainfall days in September
Shioimachi, Japan
- Average rainfall days in September: 15 days
The month with the highest number of rainy days is July (20.7 days).
The month with the least rainy days is May (10.7 days).
Average snowfall in September
Shioimachi, Japan
- Average snowfall in September: 0mm
The month with the highest snowfall is January (11mm).
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Shioimachi, Japan
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (3.3 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
Shioimachi, Japan
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in September: 8h and 30min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in September
Shioimachi, Japan
- Average sunshine days in September: 13.3 days
The month with the most sunshine days is May (18.8 days).
The month with the least sunshine days is July (7.3 days).
Average UV index in September
Shioimachi, Japan
- Average UV index in September: 6
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
Shioimachi, Japan
- Average cloud cover in September: 38
The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in September
Shioimachi, Japan
- Average visibility in September: 10km
The months with the highest visibility are February, March, April, August, September, October, November and December (10km).
The months with the lowest visibility are January, May, June and July (9km).
