September weather forecastMonbetsu, Japan

September

Weather in September

The first month of the autumn, September, is still a pleasant month in Monbetsu, Japan, with an average temperature varying between 12.3°C (54.1°F) and 20.2°C (68.4°F).

Temperature

The shift into September uncovers an average high-temperature of an agreeable 20.2°C (68.4°F), subtly different from the previous month. Throughout September, Monbetsu experiences a low-temperature average of 12.3°C (54.1°F).

Humidity

In Monbetsu, the average relative humidity in September is 76%.

Rainfall

September is the month with the most rainfall in Monbetsu, Japan, with 128mm (5.04") of accumulated precipitation.

Snowfall

In Monbetsu, snow does not fall in June through October.

Sea temperature

In September, the average sea temperature in Monbetsu is 17°C (62.6°F).
Note: The majority of people find swimming in 17°C (62.6°F) unenjoyable. As the water temperature decreases from 21°C (69.8°F) to 15°C (59°F), breathing becomes more challenging to control.

Daylight

In September, the average length of the day in Monbetsu is 12h and 32min.
On the first day of September in Monbetsu, sunrise is at 04:49 and sunset at 18:03. On the last day of the month, sunrise is at 05:23 and sunset at 17:09 JST.

Sunshine

In Monbetsu, the average sunshine in September is 5.4h.

Updated: Jan 31, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Monbetsu in September has an average high-temperature of 20.2°C (68.4°F) and an average low-temperature of 12.3°C (54.1°F).

In September, the average relative humidity in Monbetsu, Japan, is 76%.

The month with the most rainfall in Monbetsu, Japan, is September, when 128mm (5.04") of precipitation is typically aggregated.

In Monbetsu, in September, 128mm (5.04") of precipitation is typically accumulated.

In Monbetsu, snow does not fall in June through October.

In September, the average sea temperature in Monbetsu is 17°C (62.6°F). For swimming, a surface water temperature of 17°C (62.6°F) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 21°C (69.8°F).

In September, the average day length in Monbetsu, Japan, is 12h and 32min.

In September, on the first day of the month, sunrise is at 04:49 and sunset at 18:03. On the last day of the month, in Monbetsu, sunrise is at 05:23 and sunset at 17:09 JST.

The average sunshine duration in September in Monbetsu is 5.4h.

Today

Tomorrow

Long-term

Year J F M A M J J A September O N D

Aug

September

Oct

Average high temperature

23°C

20.2°C

14.7°C

Average low temperature

Average humidity

Average rainfall

Average snowfall

Average sea temperature

Average daylight

Average sunshine

Average temperature in September
Monbetsu, Japan

Average high temperature in September: 20.2°C

The warmest month (with the highest average high temperature) is August (23°C).
The month with the lowest average high temperature is January (-2.6°C).

Average low temperature in September: 12.3°C

The month with the highest average low temperature is August (16.4°C).
The coldest month (with the lowest average low temperature) is February (-9.9°C).

Average humidity in September
Monbetsu, Japan

Average humidity in September: 76%

The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is April (68%).

Average rainfall in September
Monbetsu, Japan

Average rainfall in September: 127.5mm

The wettest month (with the highest rainfall) is September (127.5mm).
The driest month (with the least rainfall) is February (30.5mm).

Average snowfall in September
Monbetsu, Japan

Average snowfall in September: 0mm

The month with the highest snowfall is January (1280mm).
The months with the least snowfall are June, July, August, September and October (0mm).

Average sea temperature in September
Monbetsu, Japan

Average sea temperature in September: 17°C

The best month for swimming (with the highest average sea temperature) is August (18.4°C).
The coldest month (with the lowest average sea temperature) is February (-1.1°C).

Average daylight in September /
Average sunshine in September
Monbetsu, Japan

Average daylight in September: 12h and 30min

The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).

Average sunshine in September: 5h and 24min

The month with the most sunshine is May (Average sunshine: 5h and 54min).
The month with the least sunshine is December (Average sunshine: 3h and 12min).