September weather forecastOfunato, Japan
September
Weather in September
September, the first month of the autumn in Ofunato, is still a pleasant month, with an average temperature ranging between min 17.1°C (62.8°F) and max 22.2°C (72°F).Temperature
In the transition to September, Ofunato observes a minor drop in the average high-temperature, shifting from a warm 25.3°C (77.5°F) in August to a pleasant 22.2°C (72°F). September nights in Ofunato experience a consistent temperature drop to a refreshing 17.1°C (62.8°F).Humidity
In September, the average relative humidity in Ofunato is 83%.Rainfall
In September, the rain falls for 14.8 days. Throughout September, 84mm (3.31") of precipitation is accumulated. Throughout the year, there are 152.7 rainfall days, and 882mm (34.72") of precipitation is accumulated.Snowfall
In Ofunato, snow does not fall in May through October.Sea temperature
In Ofunato, the average seawater temperature in September is 21.6°C (70.9°F).Note: In water of 21.6°C (70.9°F), the majority of people do not enjoy swimming. Breathing becomes increasingly hard to manage as the temperature drops from 21°C (69.8°F) to 15°C (59°F).
Daylight
In September, the average length of the day in Ofunato, Japan, is 12h and 28min.On the first day of September, sunrise is at 05:02 and sunset at 18:04. On the last day of the month, sunrise is at 05:28 and sunset at 17:17 JST.
Sunshine
In Ofunato, the average sunshine in September is 7.3h.UV index
In Ofunato, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: The UV index of 5 during September leads to these advisories:
Be vigilant - Preventing sunburn is recommended. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Warning! The reflection of sand and water increases the UV dose.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Ofunato, Japan
- Average high temperature in September: 22.2°C
The warmest month (with the highest average high temperature) is August (25.3°C).
The month with the lowest average high temperature is January (1.8°C).
- Average low temperature in September: 17.1°C
The month with the highest average low temperature is August (20.3°C).
The coldest month (with the lowest average low temperature) is February (-2.8°C).
Average pressure in September
Ofunato, Japan
- Average pressure in September: 1014mbar
The month with the highest atmospheric pressure is November (1018.1mbar).
The month with the lowest atmospheric pressure is July (1009.3mbar).
Average wind speed in September
Ofunato, Japan
- Average wind speed in September: 11.6km/h
The windiest month (with the highest average wind speed) is January (19.1km/h).
The calmest month (with the lowest average wind speed) is July (9.7km/h).
Average humidity in September
Ofunato, Japan
- Average humidity in September: 83%
The month with the highest relative humidity is July (88%).
The months with the lowest relative humidity are March and April (75%).
Average rainfall in September
Ofunato, Japan
- Average rainfall in September: 84mm
The wettest month (with the highest rainfall) is October (147mm).
The driest month (with the least rainfall) is February (26mm).
Average rainfall days in September
Ofunato, Japan
- Average rainfall days in September: 14.8 days
The month with the highest number of rainy days is July (19.6 days).
The month with the least rainy days is February (6.2 days).
Average snowfall in September
Ofunato, Japan
- Average snowfall in September: 0mm
The month with the highest snowfall is February (74mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Ofunato, Japan
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (8.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in September
Ofunato, Japan
- Average sea temperature in September: 21.6°C
The best month for swimming (with the highest average sea temperature) is August (22.6°C).
The coldest month (with the lowest average sea temperature) is March (6.8°C).
Average daylight in September /
Average sunshine in September
Ofunato, Japan
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in September: 7h and 18min
The month with the most sunshine is May (Average sunshine: 8h and 54min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).
Average sunshine days in September
Ofunato, Japan
- Average sunshine days in September: 12.1 days
The month with the most sunshine days is January (18 days).
The month with the least sunshine days is July (8.3 days).
Average UV index in September
Ofunato, Japan
- Average UV index in September: 5
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in September
Ofunato, Japan
- Average cloud cover in September: 42
The month with the most cloud cover is July (Cloud cover 52).
The month with the least cloud cover is November (Cloud cover 36).
Average visibility in September
Ofunato, Japan
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, October, November and December (10km).
The month with the lowest visibility is July (8km).





