September weather forecastShido, Japan
September
Weather in September
September, the first month of the autumn in Shido, is still a warm month, with temperature in the range of an average high of 25.6°C (78.1°F) and an average low of 20.5°C (68.9°F).Temperature
The onset of September entails a subtle temperature shift, as the average high-temperature eases from a moderately hot 29.8°C (85.6°F) in August to a still warm 25.6°C (78.1°F). The average nighttime temperature in Shido lowers to a pleasant 20.5°C (68.9°F) throughout September.Humidity
In Shido, the average relative humidity in September is 78%.Rainfall
In Shido, in September, during 18.1 rainfall days, 102mm (4.02") of precipitation is typically accumulated. In Shido, during the entire year, the rain falls for 180.2 days and collects up to 722mm (28.43") of precipitation.Snowfall
In Shido, snow does not fall in April through November.Sea temperature
In Shido, in September, the average water temperature is 26.6°C (79.9°F).Note: Swimming, diving, and similar water activities in temperatures ranging from 25°C (77°F) to 29°C (84.2°F) are seen as very agreeable and pleasurable for lengthy periods without discomfort.
Daylight
In Shido, the average length of the day in September is 12h and 24min.On the first day of the month, sunrise is at 05:36 and sunset at 18:29. On the last day of September, sunrise is at 05:57 and sunset at 17:49 JST.
Sunshine
In Shido, the average sunshine in September is 8.9h.UV index
In Shido, the average daily maximum UV index in September is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum UV index, 6 during September, leads to the following recommendations:
Undertake precautions and comply with sun safety standards. Protection from skin and eye injury is vital. Try to minimize direct Sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Also note that objects like parasols or canopies might not provide complete sun protection. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Heads up! Sand and water reflection magnifies the UV exposure from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Shido, Japan
- Average high temperature in September: 25.6°C
The warmest month (with the highest average high temperature) is August (29.8°C).
The month with the lowest average high temperature is January (7.6°C).
- Average low temperature in September: 20.5°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 (3°C).
Average pressure in September
Shido, Japan
- Average pressure in September: 1012.5mbar
The month with the highest atmospheric pressure is January (1020.3mbar).
The month with the lowest atmospheric pressure is June (1008.5mbar).
Average wind speed in September
Shido, Japan
- Average wind speed in September: 9.4km/h
The windiest month (with the highest average wind speed) is January (16km/h).
The calmest month (with the lowest average wind speed) is June (8km/h).
Average humidity in September
Shido, Japan
- Average humidity in September: 78%
The month with the highest relative humidity is July (81%).
The months with the lowest relative humidity are March and April (70%).
Average rainfall in September
Shido, Japan
- Average rainfall in September: 102mm
The wettest month (with the highest rainfall) is July (112mm).
The driest month (with the least rainfall) is February (26mm).
Average rainfall days in September
Shido, Japan
- Average rainfall days in September: 18.1 days
The month with the highest number of rainy days is July (22.8 days).
The month with the least rainy days is May (11.3 days).
Average snowfall in September
Shido, Japan
- Average snowfall in September: 0mm
The months with the highest snowfall are January and February (17mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Shido, Japan
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (4.6 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average sea temperature in September
Shido, Japan
- Average sea temperature in September: 26.6°C
The best month for swimming (with the highest average sea temperature) is August (27.7°C).
The coldest month (with the lowest average sea temperature) is February (15.3°C).
Average daylight in September /
Average sunshine in September
Shido, 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 54min
The month with the most sunshine is August (Average sunshine: 10h and 48min).
The months with the least sunshine are January, February and December (Average sunshine: 5h and 24min).
Average sunshine days in September
Shido, Japan
- Average sunshine days in September: 9 days
The month with the most sunshine days is May (17.6 days).
The month with the least sunshine days is July (5.2 days).
Average UV index in September
Shido, 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
Shido, Japan
- Average cloud cover in September: 39
The month with the most cloud cover is February (Cloud cover 42).
The month with the least cloud cover is May (Cloud cover 31).
Average visibility in September
Shido, Japan
- Average visibility in September: 10km
The months with the highest visibility are February, March, April, May, June, August, September, October, November and December (10km).
The months with the lowest visibility are January and July (9km).





