September weather forecastKobe, Japan

September

Weather in September

September ushers in autumn, with Kobe gradually cooling down from the intense August temperatures. The onset of fall brings noticeable changes in environmental colors, making the city an aesthetic spectacle. Rainfall lessens compared to August, dropping to 95mm (3.74"), while the sea temperature starts to cool, standing at 26.3°C (79.3°F). The city beams under pleasant weather, encouraging outdoor activities that thrive in mild autumnal conditions. A further decrease in temperature anticipates the arrival of October, accentuating the fall experience.

Temperature

The onset of September brings a small shift in high-temperatures, falling from a tropical 30.3°C (86.5°F) in August to a moderately hot 26.5°C (79.7°F). The average nighttime temperature in Kobe, Japan, lowers to a pleasant 20.7°C (69.3°F) throughout September.

Humidity

In September, the average relative humidity in Kobe is 77%.

Rainfall

In Kobe, during September, the rain falls for 15.8 days and regularly aggregates up to 95mm (3.74") of precipitation. In Kobe, Japan, during the entire year, the rain falls for 176.9 days and collects up to 791mm (31.14") of precipitation.

Snowfall

In Kobe, snow does not fall in April through November.

Sea temperature

In Kobe, in September, the average water temperature is 26.3°C (79.3°F).
Note: With water temperature from 25°C (77°F) to 29°C (84.2°F), all water activities are comfortable and delightful, devoid of discomfort even for lengthened periods.

Daylight

The average length of the day in September in Kobe is 12h and 24min.
On the first day of September in Kobe, sunrise is at 05:32 and sunset at 18:26. On the last day of the month, sunrise is at 05:53 and sunset at 17:45 JST.

Sunshine

The average sunshine in September is 9.3h.

UV index

In Kobe, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for average individuals.
Note: In September, the average maximum UV index of 5 translates into the following recommendations:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Caution! The Sun's UV rays become stronger due to reflections from water and sand.

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

Frequently asked questions

September temperatures vary between a high-temperature of 26.5°C (79.7°F) and a low-temperature of 20.7°C (69.3°F). In August, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which calculates the temperature value influenced by the moisture in the air, is computed to be 38°C (100.4°F).

In Kobe, the average relative humidity in September is 77%.

In Kobe, in September, during 15.8 rainfall days, 95mm (3.74") of precipitation is typically accumulated.

April through November are months without snowfall in Kobe, Japan.

In September, the average sea temperature in Kobe, Japan, is 26.3°C (79.3°F). Water temperature between 25°C (77°F) and 29°C (84.2°F) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

In September, the average day length in Kobe is 12h and 24min.

On the first day of September in Kobe, Japan, sunrise is at 05:32 and sunset at 18:26. On the last day of the month, sunrise is at 05:53 and sunset at 17:45 JST.

In September, the average sunshine duration in Kobe, Japan, is 9.3h.

In September, the average daily maximum UV index in Kobe, Japan, is 5. A UV Index of 3 to 5 symbolizes a medium health risk from exposure to the Sun's UV radiation.

Today

Tomorrow

Long-term

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

Aug

September

Oct

Average high temperature

30.3°C

26.5°C

21.5°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

11.2km/h

10.9km/h

13.5km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

Average sea temperature

Average daylight

Average sunshine

Average sunshine days

11.3

11.9

14.5

Average UV index

Average cloud cover

29%

35%

Average visibility

10km

Average temperature in September
Kobe, Japan

Average high temperature in September: 26.5°C

The warmest month (with the highest average high temperature) is August (30.3°C).
The month with the lowest average high temperature is January (7.9°C).

Average low temperature in September: 20.7°C

The month with the highest average low temperature is August (24.5°C).
The coldest month (with the lowest average low temperature) is January (3.3°C).

Average pressure in September
Kobe, Japan

Average pressure in September: 1012.7mbar

The month with the highest atmospheric pressure is February (1019.9mbar).
The month with the lowest atmospheric pressure is June (1008.8mbar).

Average wind speed in September
Kobe, Japan

Average wind speed in September: 10.4km/h

The windiest month (with the highest average wind speed) is January (15km/h).
The calmest month (with the lowest average wind speed) is June (9.5km/h).

Average humidity in September
Kobe, Japan

Average humidity in September: 77%

The month with the highest relative humidity is July (81%).
The months with the lowest relative humidity are March and April (71%).

Average rainfall in September
Kobe, Japan

Average rainfall in September: 95mm

The wettest month (with the highest rainfall) is July (127mm).
The driest month (with the least rainfall) is January (31mm).

Average rainfall days in September
Kobe, Japan

Average rainfall days in September: 15.8 days

The month with the highest number of rainy days is July (19.9 days).
The month with the least rainy days is May (11.7 days).

Average snowfall in September
Kobe, Japan

Average snowfall in September: 0mm

The month with the highest snowfall is January (39mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).

Average snowfall days in September
Kobe, Japan

Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (5.8 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

Average sea temperature in September
Kobe, Japan

Average sea temperature in September: 26.3°C

The best month for swimming (with the highest average sea temperature) is August (27.7°C).
The coldest month (with the lowest average sea temperature) is March (13.9°C).

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

Average daylight in September: 12h and 24min

The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).

Average sunshine in September: 9h and 18min

The month with the most sunshine is August (Average sunshine: 11h and 0min).
The months with the least sunshine are January and February (Average sunshine: 5h and 0min).

Average sunshine days in September
Kobe, Japan

Average sunshine days in September: 11.9 days

The month with the most sunshine days is May (17.1 days).
The month with the least sunshine days is July (8.1 days).

Average UV index in September
Kobe, Japan

Average UV index in September: 5

The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January and December (UV index 2).

Average cloud cover in September
Kobe, Japan

Average cloud cover in September: 35

The month with the most cloud cover is February (Cloud cover 46).
The month with the least cloud cover is August (Cloud cover 29).

Average visibility in September
Kobe, Japan

Average visibility in September: 10km

The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (10km).
The month with the lowest visibility is July (9km).