Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
September's onset introduces a mild reduction in the average high-temperature, from a hot 30.3°C (86.5°F) in August to a moderately hot 26.5°C (79.7°F). September nights cool down to an average low-temperature of 20.7°C (69.3°F).Humidity
In September, the average relative humidity in Onohamacho is 77%.Rainfall
In September, in Onohamacho, the rain falls for 15.8 days. Throughout September, 95mm (3.74") of precipitation is accumulated. Throughout the year, in Onohamacho, there are 176.9 rainfall days, and 791mm (31.14") of precipitation is accumulated.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, sunrise is at 05:32 and sunset at 18:26. On the last day of the month, sunrise is at 05:53 and sunset at 17:45 JST.
Sunshine
The average sunshine in September is 9.3h.UV index
The average daily maximum UV index in September in Onohamacho is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: In September, the maximum UV index of 5 suggests this advice:
Act with care - Obligation to protect against skin and eye damage is highlighted. Direct Sun exposure should be minimized especially during midday when radiation is most intense. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Frequently asked questions
What is the average September temperature in Onohamacho?
What is the average humidity in September in Onohamacho?
How much does it rain in Onohamacho in September?
When it does not snow in Onohamacho?
How many hours of daylight does Onohamacho have in September?
When is the sunrise / sunset in September in Onohamacho?
How many hours of sunshine does Onohamacho have in September?
What is the UV index reading in September in Onohamacho?
Average temperature in September
Onohamacho, 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 (7.9°C).
- Average low temperature in September: 20.7°C
The month with the highest average low temperature is August (24.5°C).
The coldest month (with the lowest average low temperature) is January (3.3°C).
Average pressure in September
Onohamacho, Japan
- Average pressure in September: 1012.7mbar
The month with the highest atmospheric pressure is February (1019.9mbar).
The month with the lowest atmospheric pressure is June (1008.8mbar).
Average wind speed in September
Onohamacho, Japan
- Average wind speed in September: 10.4km/h
The windiest month (with the highest average wind speed) is January (15km/h).
The calmest month (with the lowest average wind speed) is June (9.5km/h).
Average humidity in September
Onohamacho, Japan
- Average humidity in September: 77%
The month with the highest relative humidity is July (81%).
The months with the lowest relative humidity are March and April (71%).
Average rainfall in September
Onohamacho, Japan
- Average rainfall in September: 95mm
The wettest month (with the highest rainfall) is July (127mm).
The driest month (with the least rainfall) is January (31mm).
Average rainfall days in September
Onohamacho, Japan
- Average rainfall days in September: 15.8 days
The month with the highest number of rainy days is July (19.9 days).
The month with the least rainy days is May (11.7 days).
Average snowfall in September
Onohamacho, Japan
- Average snowfall in September: 0mm
The month with the highest snowfall is January (39mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Onohamacho, Japan
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (5.8 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
Onohamacho, Japan
- Average daylight in September: 12h and 2min
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 2min
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: 5h and 0min).
Average sunshine days in September
Onohamacho, Japan
- Average sunshine days in September: 11.9 days
The month with the most sunshine days is May (17.1 days).
The month with the least sunshine days is July (8.1 days).
Average UV index in September
Onohamacho, Japan
- Average UV index in September: 5
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
Onohamacho, Japan
- Average cloud cover in September: 35
The month with the most cloud cover is February (Cloud cover 46).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in September
Onohamacho, Japan
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (10km).
The month with the lowest visibility is July (9km).
Onohamacho, Japan
Weather forecast for your location
2. Allow the app to use your location
