September weather forecastOami, Japan
September
Weather in September
The first month of the autumn, September, is still a warm month in Oami, Japan, with an average temperature ranging between min 22°C (71.6°F) and max 26.1°C (79°F).Temperature
The arrival of September corresponds with a light shift in temperature, down from 29.6°C (85.3°F) in August to a still moderately hot 26.1°C (79°F). Oami records a slight downturn in temperature to an average of 22°C (71.6°F) during September nights.Humidity
The average relative humidity in September is 78%.Rainfall
In Oami, in September, it is raining for 16.2 days, with typically 118mm (4.65") of accumulated precipitation. In Oami, Japan, during the entire year, the rain falls for 173.1 days and collects up to 1019mm (40.12") of precipitation.Snowfall
In Oami, Japan, snow does not fall in March through December.Daylight
In September, the average length of the day in Oami is 12h and 25min.On the first day of the month, sunrise is at 05:11 and sunset at 18:06. On the last day of September, sunrise is at 05:32 and sunset at 17:24 JST.
Sunshine
In Oami, the average sunshine in September is 7.6h.UV index
The average daily maximum UV index in September is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for the average person.Note: In September, a daily UV index of 6 turns into the following recommendations:
Undertake protective measures and comply with sun safety rules. Shielding against skin and eye damage is essential. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is at its strongest, and remember that parasols or canopies do not offer full protection. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Oami, Japan
- Average high temperature in September: 26.1°C
The warmest month (with the highest average high temperature) is August (29.6°C).
The month with the lowest average high temperature is January (9.5°C).
- Average low temperature in September: 22°C
The month with the highest average low temperature is August (25°C).
The coldest month (with the lowest average low temperature) is January (5°C).
Average pressure in September
Oami, Japan
- Average pressure in September: 1013.3mbar
The month with the highest atmospheric pressure is November (1017.8mbar).
The month with the lowest atmospheric pressure is June (1009.2mbar).
Average wind speed in September
Oami, Japan
- Average wind speed in September: 15.6km/h
The windiest month (with the highest average wind speed) is March (19.4km/h).
The calmest month (with the lowest average wind speed) is June (14.5km/h).
Average humidity in September
Oami, Japan
- Average humidity in September: 78%
The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is January (61%).
Average rainfall in September
Oami, Japan
- Average rainfall in September: 118mm
The wettest month (with the highest rainfall) is October (132mm).
The driest month (with the least rainfall) is January (48mm).
Average rainfall days in September
Oami, Japan
- Average rainfall days in September: 16.2 days
The month with the highest number of rainy days is June (17.8 days).
The month with the least rainy days is January (8.3 days).
Average snowfall in September
Oami, Japan
- Average snowfall in September: 0mm
The month with the highest snowfall is February (12mm).
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in September
Oami, Japan
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.2 days).
The months with the least snowfall days are April, May, June, July, August, September, October, November and December (0 days).
Average daylight in September /
Average sunshine in September
Oami, Japan
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in September: 7h and 36min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 5h and 12min).
Average sunshine days in September
Oami, Japan
- Average sunshine days in September: 10.9 days
The month with the most sunshine days is January (21.3 days).
The month with the least sunshine days is June (10 days).
Average UV index in September
Oami, 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, February, March and December (UV index 3).
Average cloud cover in September
Oami, Japan
- Average cloud cover in September: 41
The months with the most cloud cover are March, June and October (Cloud cover 47).
The months with the least cloud cover are January and August (Cloud cover 33).
Average visibility in September
Oami, 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).
