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
August's transformation into September witnesses an average high-temperature of a refreshing 19°C (66.2°F), noting a minor change from the preceding month. The average low-temperature, in September, is 13°C (55.4°F).Humidity
In Hamatonbetsu, the average relative humidity in September is 80%.Rainfall
In Hamatonbetsu, in September, it is raining for 16.2 days, with typically 72mm (2.83") of accumulated precipitation. Throughout the year, there are 144.9 rainfall days, and 802mm (31.57") of precipitation is accumulated.Snowfall
In Hamatonbetsu, snow does not fall in June through September.Daylight
In Hamatonbetsu, the average length of the day in September is 12h and 33min.On the first day of the month, sunrise is at 04:52 and sunset at 18:08. On the last day of September, sunrise is at 05:27 and sunset at 17:13 JST.
Sunshine
The average sunshine in September in Hamatonbetsu is 7.3h.UV index
In Hamatonbetsu, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum UV index of 4 during September leads to these instructions:
Heed the precautions - Suggestions to avoid sunburn are made. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
Frequently asked questions
What are the temperatures in Hamatonbetsu in September?
What is the average humidity in September in Hamatonbetsu?
How many days does it rain in September in Hamatonbetsu?
When it does not snow in Hamatonbetsu?
Does it snow in Hamatonbetsu in September?
How many hours of daylight does Hamatonbetsu have in September?
When are sunrise and sunset in September in Hamatonbetsu?
How many hours of sunshine does Hamatonbetsu have in September?
What is the UV index reading in September in Hamatonbetsu?
Average temperature in September
Hamatonbetsu, Japan
- Average high temperature in September: 19°C
The warmest month (with the highest average high temperature) is August (21.3°C).
The months with the lowest average high temperature are January and February (-3.9°C).
- Average low temperature in September: 13°C
The month with the highest average low temperature is August (15.8°C).
The coldest month (with the lowest average low temperature) is February (-8.6°C).
Average pressure in September
Hamatonbetsu, Japan
- Average pressure in September: 1013.2mbar
The month with the highest atmospheric pressure is October (1014.6mbar).
The month with the lowest atmospheric pressure is July (1008.5mbar).
Average wind speed in September
Hamatonbetsu, Japan
- Average wind speed in September: 13.4km/h
The windiest month (with the highest average wind speed) is December (19.3km/h).
The calmest month (with the lowest average wind speed) is July (10.3km/h).
Average humidity in September
Hamatonbetsu, Japan
- Average humidity in September: 80%
The month with the highest relative humidity is February (87%).
The month with the lowest relative humidity is October (76%).
Average rainfall in September
Hamatonbetsu, Japan
- Average rainfall in September: 72mm
The wettest month (with the highest rainfall) is August (122mm).
The driest months (with the least rainfall) are February and April (44mm).
Average rainfall days in September
Hamatonbetsu, Japan
- Average rainfall days in September: 16.2 days
The month with the highest number of rainy days is August (18.8 days).
The month with the least rainy days is January (2.8 days).
Average snowfall in September
Hamatonbetsu, Japan
- Average snowfall in September: 0mm
The month with the highest snowfall is December (300mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Hamatonbetsu, Japan
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (25.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Hamatonbetsu, Japan
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in September: 7h and 2min
The months with the most sunshine are April and May (Average sunshine: 7h and 42min).
The month with the least sunshine is January (Average sunshine: 1h and 24min).
Average sunshine days in September
Hamatonbetsu, Japan
- Average sunshine days in September: 11.2 days
The month with the most sunshine days is May (12.9 days).
The month with the least sunshine days is December (3.5 days).
Average UV index in September
Hamatonbetsu, Japan
- Average UV index in September: 4
The months with the highest UV index are July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in September
Hamatonbetsu, Japan
- Average cloud cover in September: 42
The month with the most cloud cover is January (Cloud cover 87).
The month with the least cloud cover is September (Cloud cover 42).
Average visibility in September
Hamatonbetsu, Japan
- Average visibility in September: 9km
The months with the highest visibility are April, May, September and October (9km).
The months with the lowest visibility are January, February and December (7km).
Hamatonbetsu, Japan
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