September weather forecastOgano, Japan
September
Weather in September
The first month of the autumn, September, is still a warm month in Ogano, Japan, with an average temperature fluctuating between 23.9°C (75°F) and 16.5°C (61.7°F).Temperature
With September's onset, the weather reveals a slight temperature decrease, transitioning from a warm 28.6°C (83.5°F) in August to a still moderately hot 23.9°C (75°F). Throughout September, an average low-temperature of 16.5°C (61.7°F) is expected.Humidity
The average relative humidity in September is 81%.Rainfall
In Ogano, in September, it is raining for 19.9 days, with typically 136mm (5.35") of accumulated precipitation. Throughout the year, in Ogano, there are 182.5 rainfall days, and 1112mm (43.78") of precipitation is accumulated.Snowfall
In Ogano, Japan, snow does not fall in May through October.Daylight
The average length of the day in September is 12h and 25min.On the first day of September in Ogano, sunrise is at 05:15 and sunset at 18:12. On the last day of the month, sunrise is at 05:38 and sunset at 17:29 JST.
Sunshine
In Ogano, the average sunshine in September is 7.3h.UV index
The average daily maximum UV index in September in Ogano is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the average person.Note: In September, a daily UV index of 5 turns into the following recommendations:
Guard yourself - Avoiding sunburn is suggested. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Ogano, Japan
- Average high temperature in September: 23.9°C
The warmest month (with the highest average high temperature) is August (28.6°C).
The month with the lowest average high temperature is January (5.3°C).
- Average low temperature in September: 16.5°C
The month with the highest average low temperature is August (20.7°C).
The coldest month (with the lowest average low temperature) is January (-2.3°C).
Average pressure in September
Ogano, Japan
- Average pressure in September: 1013.6mbar
The month with the highest atmospheric pressure is November (1018.5mbar).
The month with the lowest atmospheric pressure is June (1009.2mbar).
Average wind speed in September
Ogano, Japan
- Average wind speed in September: 6.2km/h
The windiest month (with the highest average wind speed) is January (9.5km/h).
The calmest month (with the lowest average wind speed) is July (5.8km/h).
Average humidity in September
Ogano, Japan
- Average humidity in September: 81%
The month with the highest relative humidity is July (82%).
The month with the lowest relative humidity is January (65%).
Average rainfall in September
Ogano, Japan
- Average rainfall in September: 136mm
The wettest month (with the highest rainfall) is October (168mm).
The driest month (with the least rainfall) is February (31mm).
Average rainfall days in September
Ogano, Japan
- Average rainfall days in September: 19.9 days
The month with the highest number of rainy days is July (25.9 days).
The month with the least rainy days is January (5.8 days).
Average snowfall in September
Ogano, Japan
- Average snowfall in September: 0mm
The month with the highest snowfall is February (140mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Ogano, Japan
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (8.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Ogano, Japan
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in September: 7h and 18min
The month with the most sunshine is May (Average sunshine: 9h and 30min).
The month with the least sunshine is February (Average sunshine: 6h and 18min).
Average sunshine days in September
Ogano, Japan
- Average sunshine days in September: 8.3 days
The month with the most sunshine days is January (20.7 days).
The month with the least sunshine days is July (3.8 days).
Average UV index in September
Ogano, Japan
- Average UV index in September: 5
The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in September
Ogano, Japan
- Average cloud cover in September: 49
The month with the most cloud cover is June (Cloud cover 51).
The month with the least cloud cover is January (Cloud cover 25).
Average visibility in September
Ogano, Japan
- Average visibility in September: 8km
The months with the highest visibility are January and December (10km).
The months with the lowest visibility are June, July, August and September (8km).





