September weather forecastEbetsu, Japan

September

Weather in September

September, the first month of the autumn in Ebetsu, is still a pleasant month, with an average temperature ranging between max 21°C (69.8°F) and min 12.7°C (54.9°F).

Temperature

The transition to September results in a modest reduction in average high-temperature, moving from a moderately hot 24.8°C (76.6°F) in August to a pleasant 21°C (69.8°F). September nights in Ebetsu experience a consistent temperature drop to a fresh 12.7°C (54.9°F).

Humidity

In Ebetsu, the average relative humidity in September is 82%.

Rainfall

In Ebetsu, during September, the rain falls for 17.4 days and regularly aggregates up to 78mm (3.07") of precipitation. Throughout the year, there are 178.6 rainfall days, and 780mm (30.71") of precipitation is accumulated.

Snowfall

June through September are months without snowfall in Ebetsu.

Daylight

In September, the average length of the day is 12h and 31min.
On the first day of the month, sunrise is at 04:58 and sunset at 18:09. On the last day of September, sunrise is at 05:30 and sunset at 17:17 JST.

Sunshine

In Ebetsu, the average sunshine in September is 8h.

UV index

The average daily maximum UV index in September in Ebetsu is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the average person.
Note: In September, an average UV index of 4 transforms into the following instructions:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.

Frequently asked questions

September temperatures in Ebetsu vary between a high-temperature of 21°C (69.8°F) and a low-temperature of 12.7°C (54.9°F).

The average relative humidity in September is 82%.

In Ebetsu, in September, it is raining for 17.4 days, with typically 78mm (3.07") of accumulated precipitation.

In Ebetsu, snow does not fall in June through September.

In Ebetsu, Japan, in September, it doesn't snow. In October, it regularly snows.

In Ebetsu, Japan, the average day length in September is 12h and 31min.

In September, on the first day of the month, sunrise is at 04:58 and sunset at 18:09. On the last day of the month, in Ebetsu, sunrise is at 05:30 and sunset at 17:17 JST.

In September, the average sunshine duration in Ebetsu is 8h.

The average daily maximum UV index in September in Ebetsu, Japan, is 4. A UV Index reading of 3 to 5 represents a moderate vulnerability from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Ebetsu, Japan

  • Average high temperature in September: 21°C

The warmest month (with the highest average high temperature) is August (24.8°C).
The month with the lowest average high temperature is January (-2.8°C).

  • Average low temperature in September: 12.7°C

The month with the highest average low temperature is August (16.7°C).
The coldest month (with the lowest average low temperature) is February (-10.1°C).

Average pressure in September
Ebetsu, Japan

  • Average pressure in September: 1013.5mbar

The month with the highest atmospheric pressure is November (1016.1mbar).
The month with the lowest atmospheric pressure is July (1008.6mbar).

Average wind speed in September
Ebetsu, Japan

  • Average wind speed in September: 9.8km/h

The windiest month (with the highest average wind speed) is April (13km/h).
The calmest month (with the lowest average wind speed) is August (9.5km/h).

Average humidity in September
Ebetsu, Japan

  • Average humidity in September: 82%

The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is April (75%).

Average rainfall in September
Ebetsu, Japan

  • Average rainfall in September: 78mm

The wettest month (with the highest rainfall) is August (112mm).
The driest month (with the least rainfall) is April (47mm).

Average rainfall days in September
Ebetsu, Japan

  • Average rainfall days in September: 17.4 days

The month with the highest number of rainy days is July (18.8 days).
The month with the least rainy days is February (9 days).

Average snowfall in September
Ebetsu, Japan

  • Average snowfall in September: 0mm

The month with the highest snowfall is January (350mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in September
Ebetsu, Japan

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (28.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Ebetsu, 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: 8h and 0min

The month with the most sunshine is May (Average sunshine: 9h and 0min).
The months with the least sunshine are January and February (Average sunshine: 2h and 42min).

Average sunshine days in September
Ebetsu, Japan

  • Average sunshine days in September: 8.6 days

The month with the most sunshine days is May (12.8 days).
The month with the least sunshine days is January (2.8 days).

Average UV index in September
Ebetsu, 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, March, November and December (UV index 1).

Average cloud cover in September
Ebetsu, Japan

  • Average cloud cover in September: 40

The month with the most cloud cover is January (Cloud cover 73).
The months with the least cloud cover are September and October (Cloud cover 40).

Average visibility in September
Ebetsu, Japan

  • Average visibility in September: 8km

The months with the highest visibility are April, May, October and November (9km).
The months with the lowest visibility are January and February (7km).