Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
September marks a gentle change in average high-temperature, declining from August's warm 23.1°C (73.6°F) to a pleasant 20.1°C (68.2°F). In the month of September, Bihoro experiences an average low-temperature of 12.4°C (54.3°F).Humidity
The average relative humidity in September in Bihoro is 82%.Rainfall
In Bihoro, Japan, in September, during 11.3 rainfall days, 48mm (1.89") of precipitation is typically accumulated. Throughout the year, there are 111 rainfall days, and 503mm (19.8") of precipitation is accumulated.Snowfall
In Bihoro, Japan, snow does not fall in June through September.Daylight
The average length of the day in September in Bihoro is 12h and 31min.On the first day of the month, sunrise is at 04:47 and sunset at 17:59. On the last day of September, sunrise is at 05:20 and sunset at 17:06 JST.
Sunshine
The average sunshine in September in Bihoro is 7.4h.UV index
The average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.Note: In September, the maximum UV index of 4 suggests these recommendations:
Put precautions into practice - Ensuring skin and eye safety is a necessity. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Frequently asked questions
What are September temperatures in Bihoro?
What is the average humidity in September in Bihoro?
How much does it rain in Bihoro in September?
When it does not snow in Bihoro?
Does it snow in Bihoro in September?
What is the average length of the day in September in Bihoro?
When are sunrise and sunset in September in Bihoro?
How many hours of sunshine does Bihoro have in September?
What is the UV index reading in September in Bihoro?
Average temperature in September
Bihoro, Japan
- Average high temperature in September: 20.1°C
The warmest month (with the highest average high temperature) is August (23.1°C).
The month with the lowest average high temperature is January (-3.9°C).
- Average low temperature in September: 12.4°C
The month with the highest average low temperature is August (15.4°C).
The coldest month (with the lowest average low temperature) is February (-10.4°C).
Average pressure in September
Bihoro, Japan
- Average pressure in September: 1013.9mbar
The month with the highest atmospheric pressure is October (1015.3mbar).
The month with the lowest atmospheric pressure is July (1009.2mbar).
Average wind speed in September
Bihoro, Japan
- Average wind speed in September: 10km/h
The windiest month (with the highest average wind speed) is December (13.6km/h).
The calmest month (with the lowest average wind speed) is August (8.6km/h).
Average humidity in September
Bihoro, Japan
- Average humidity in September: 82%
The month with the highest relative humidity is February (89%).
The month with the lowest relative humidity is May (77%).
Average rainfall in September
Bihoro, Japan
- Average rainfall in September: 48mm
The wettest month (with the highest rainfall) is August (80mm).
The driest month (with the least rainfall) is February (24mm).
Average rainfall days in September
Bihoro, Japan
- Average rainfall days in September: 11.3 days
The month with the highest number of rainy days is July (15 days).
The month with the least rainy days is February (2.8 days).
Average snowfall in September
Bihoro, Japan
- Average snowfall in September: 0mm
The month with the highest snowfall is February (159mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Bihoro, Japan
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (16.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Bihoro, Japan
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in September: 7h and 2min
The month with the most sunshine is August (Average sunshine: 8h and 36min).
The month with the least sunshine is February (Average sunshine: 3h and 6min).
Average sunshine days in September
Bihoro, Japan
- Average sunshine days in September: 17.8 days
The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is July (13.3 days).
Average UV index in September
Bihoro, 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 and December (UV index 1).
Average cloud cover in September
Bihoro, Japan
- Average cloud cover in September: 42
The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is October (Cloud cover 39).
Average visibility in September
Bihoro, Japan
- Average visibility in September: 9km
The months with the highest visibility are January, April, May, September, October, November and December (9km).
The months with the lowest visibility are February, March, June, July and August (8km).
Bihoro, Japan
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