September weather forecastTonosho, Japan
September
Weather in September
September, the first month of the autumn in Tonosho, is also a moderately hot month, with temperature in the range of an average low of 21.8°C (71.2°F) and an average high of 26.5°C (79.7°F).Temperature
Tonosho's weather subtly changes with the onset of September, barely falling from a hot 30.3°C (86.5°F) in August to a warm 26.5°C (79.7°F). Recording a slight drop from the daily maximum, Tonosho notes an average low temperature of 21.8°C (71.2°F) in the month of September.Humidity
In Tonosho, the average relative humidity in September is 73%.Rainfall
In Tonosho, in September, it is raining for 9.6 days, with typically 30mm (1.18") of accumulated precipitation. In Tonosho, during the entire year, the rain falls for 100.2 days and collects up to 317mm (12.48") of precipitation.Snowfall
In Tonosho, Japan, snow does not fall in March through December.Sea temperature
In Tonosho, in September, the average water temperature is 26.6°C (79.9°F).Note: Water temperatures from 25°C (77°F) to 29°C (84.2°F) make swimming, diving, and similar activities highly pleasurable and enjoyable for long periods without discomfort.
Daylight
In September, the average length of the day in Tonosho is 12h and 24min.On the first day of September in Tonosho, sunrise is at 05:36 and sunset at 18:29. On the last day of the month, sunrise is at 05:57 and sunset at 17:49 JST.
Sunshine
In Tonosho, Japan, the average sunshine in September is 9h.UV index
In Tonosho, the average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for the average person.Note: A daily maximum UV index of 6 in September translates into the following instructions:
Employ safeguards and advocate sun safety protocols. Shielding against skin and eye damage is crucial. Attempt to stay under shade and limit exposure to the Sun between 10 a.m. and 4 p.m., when UV radiation is at its peak. Remember, devices such as parasols or canopies might not provide complete sun protection. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Note! Reflective surfaces like sand and water heighten the UV radiation levels.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Tonosho, Japan
- Average high temperature in September: 26.5°C
The warmest month (with the highest average high temperature) is August (30.3°C).
The month with the lowest average high temperature is January (8.7°C).
- Average low temperature in September: 21.8°C
The month with the highest average low temperature is August (25.6°C).
The coldest month (with the lowest average low temperature) is January (4.4°C).
Average pressure in September
Tonosho, Japan
- Average pressure in September: 1012.6mbar
The months with the highest atmospheric pressure are January and February (1020.4mbar).
The month with the lowest atmospheric pressure is June (1008.5mbar).
Average wind speed in September
Tonosho, Japan
- Average wind speed in September: 11.4km/h
The windiest month (with the highest average wind speed) is January (18.3km/h).
The calmest month (with the lowest average wind speed) is June (10.1km/h).
Average humidity in September
Tonosho, Japan
- Average humidity in September: 73%
The month with the highest relative humidity is July (80%).
The month with the lowest relative humidity is March (67%).
Average rainfall in September
Tonosho, Japan
- Average rainfall in September: 30mm
The wettest month (with the highest rainfall) is July (56mm).
The driest month (with the least rainfall) is November (10mm).
Average rainfall days in September
Tonosho, Japan
- Average rainfall days in September: 9.6 days
The month with the highest number of rainy days is July (12.4 days).
The month with the least rainy days is January (5.9 days).
Average snowfall in September
Tonosho, Japan
- Average snowfall in September: 0mm
The month with the highest snowfall is February (5mm).
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in September
Tonosho, Japan
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.3 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).
Average sea temperature in September
Tonosho, 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
Tonosho, 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: 9h and 0min
The month with the most sunshine is August (Average sunshine: 11h and 0min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in September
Tonosho, Japan
- Average sunshine days in September: 18.7 days
The month with the most sunshine days is May (23.5 days).
The month with the least sunshine days is July (17.3 days).
Average UV index in September
Tonosho, Japan
- Average UV index in September: 6
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
Tonosho, Japan
- Average cloud cover in September: 38
The month with the most cloud cover is February (Cloud cover 45).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in September
Tonosho, Japan
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
