September weather forecastOkadamacho, Japan
September
Weather in September
The first month of the autumn, September, is still a pleasant month in Okadamacho, Japan, with an average temperature varying between 12.5°C (54.5°F) and 20.2°C (68.4°F).Temperature
With the onset of September, Okadamacho's climate undergoes a slight change as the average high-temperature moves from a moderately hot 24.2°C (75.6°F) in August to an agreeable 20.2°C (68.4°F). In Okadamacho, the average low-temperature during the month of September is a cool 12.5°C (54.5°F).Humidity
The average relative humidity in September in Okadamacho is 83%.Rainfall
In Okadamacho, during September, the rain falls for 17 days and regularly aggregates up to 78mm (3.07") of precipitation. In Okadamacho, during the entire year, the rain falls for 167 days and collects up to 843mm (33.19") of precipitation.Snowfall
In Okadamacho, Japan, snow does not fall in May through September.Daylight
In Okadamacho, the average length of the day in September is 12h and 31min.On the first day of September in Okadamacho, sunrise is at 04:58 and sunset at 18:09. On the last day of the month, sunrise is at 05:30 and sunset at 17:17 JST.
Sunshine
The average sunshine in September in Okadamacho is 7.9h.UV index
The average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: During September, 4 as the daily maximum UV index converts into the following advice:
Take necessary precautions - Defending against sun damage is advocated. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Okadamacho, Japan
- Average high temperature in September: 20.2°C
The warmest month (with the highest average high temperature) is August (24.2°C).
The month with the lowest average high temperature is January (-3.7°C).
- Average low temperature in September: 12.5°C
The month with the highest average low temperature is August (16.3°C).
The coldest month (with the lowest average low temperature) is February (-10°C).
Average pressure in September
Okadamacho, Japan
- Average pressure in September: 1013.5mbar
The month with the highest atmospheric pressure is November (1016.2mbar).
The month with the lowest atmospheric pressure is July (1008.6mbar).
Average wind speed in September
Okadamacho, Japan
- Average wind speed in September: 9.7km/h
The windiest months (with the highest average wind speed) are April and December (12.8km/h).
The calmest month (with the lowest average wind speed) is August (8.8km/h).
Average humidity in September
Okadamacho, Japan
- Average humidity in September: 83%
The month with the highest relative humidity is January (90%).
The months with the lowest relative humidity are April and May (77%).
Average rainfall in September
Okadamacho, Japan
- Average rainfall in September: 78mm
The wettest month (with the highest rainfall) is August (112mm).
The driest month (with the least rainfall) is April (51mm).
Average rainfall days in September
Okadamacho, Japan
- Average rainfall days in September: 17 days
The month with the highest number of rainy days is August (19.5 days).
The month with the least rainy days is February (5.3 days).
Average snowfall in September
Okadamacho, Japan
- Average snowfall in September: 0mm
The month with the highest snowfall is January (430mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in September
Okadamacho, Japan
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (28 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Okadamacho, Japan
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in September: 7h and 54min
The month with the most sunshine is August (Average sunshine: 8h and 48min).
The month with the least sunshine is January (Average sunshine: 2h and 12min).
Average sunshine days in September
Okadamacho, Japan
- Average sunshine days in September: 9 days
The month with the most sunshine days is May (13.4 days).
The month with the least sunshine days is December (2.7 days).
Average UV index in September
Okadamacho, Japan
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 1).
Average cloud cover in September
Okadamacho, Japan
- Average cloud cover in September: 41
The month with the most cloud cover is January (Cloud cover 78).
The month with the least cloud cover is September (Cloud cover 41).
Average visibility in September
Okadamacho, Japan
- Average visibility in September: 8km
The months with the highest visibility are April, May and October (9km).
The month with the lowest visibility is January (6km).





