September weather forecastObihiro, Japan
September
Weather in September
The first month of the autumn, September, is also an agreeable month in Obihiro, Japan, with an average temperature varying between 20.6°C (69.1°F) and 10.8°C (51.4°F).Temperature
In September, the average high-temperature marginally decreases from a moderately hot 24.5°C (76.1°F) in August to a pleasant 20.6°C (69.1°F). September brings an average low-temperature of 10.8°C (51.4°F) to Obihiro.Humidity
The average relative humidity in September is 83%.Rainfall
In Obihiro, in September, it is raining for 13.1 days, with typically 62mm (2.44") of accumulated precipitation. Throughout the year, there are 176.2 rainfall days, and 621mm (24.45") of precipitation is accumulated.Snowfall
June through October are months without snowfall in Obihiro.Daylight
The average length of the day in September is 12h and 31min.On the first day of September, sunrise is at 04:51 and sunset at 18:02. On the last day of the month, sunrise is at 05:23 and sunset at 17:10 JST.
Sunshine
In Obihiro, the average sunshine in September is 7.7h.UV index
The average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for average individuals.Note: The daily high UV index of 4 during September translates into the following recommendations:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Obihiro, Japan
- Average high temperature in September: 20.6°C
The warmest month (with the highest average high temperature) is August (24.5°C).
The month with the lowest average high temperature is January (-4.3°C).
- Average low temperature in September: 10.8°C
The month with the highest average low temperature is August (14.8°C).
The coldest months (with the lowest average low temperature) are January and February (-12.7°C).
Average pressure in September
Obihiro, Japan
- Average pressure in September: 1013.7mbar
The month with the highest atmospheric pressure is October (1015.8mbar).
The month with the lowest atmospheric pressure is July (1009.1mbar).
Average wind speed in September
Obihiro, Japan
- Average wind speed in September: 7.2km/h
The windiest months (with the highest average wind speed) are April and December (9.9km/h).
The calmest month (with the lowest average wind speed) is July (6.4km/h).
Average humidity in September
Obihiro, Japan
- Average humidity in September: 83%
The months with the highest relative humidity are January and February (89%).
The months with the lowest relative humidity are April and May (74%).
Average rainfall in September
Obihiro, Japan
- Average rainfall in September: 62mm
The wettest month (with the highest rainfall) is August (86mm).
The driest month (with the least rainfall) is January (27mm).
Average rainfall days in September
Obihiro, Japan
- Average rainfall days in September: 13.1 days
The month with the highest number of rainy days is July (18.3 days).
The month with the least rainy days is October (10.5 days).
Average snowfall in September
Obihiro, Japan
- Average snowfall in September: 0mm
The month with the highest snowfall is February (207mm).
The months with the least snowfall are June, July, August, September and October (0mm).
Average snowfall days in September
Obihiro, Japan
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (19.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Obihiro, 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 42min
The month with the most sunshine is May (Average sunshine: 9h and 24min).
The month with the least sunshine is February (Average sunshine: 5h and 18min).
Average sunshine days in September
Obihiro, Japan
- Average sunshine days in September: 13 days
The month with the most sunshine days is October (16.9 days).
The month with the least sunshine days is February (5.9 days).
Average UV index in September
Obihiro, Japan
- Average UV index in September: 4
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in September
Obihiro, Japan
- Average cloud cover in September: 42
The month with the most cloud cover is July (Cloud cover 54).
The months with the least cloud cover are October and November (Cloud cover 33).
Average visibility in September
Obihiro, Japan
- Average visibility in September: 7km
The months with the highest visibility are April, May, October and November (9km).
The months with the lowest visibility are January, February, March, June, July, August and September (7km).





