September weather forecastKawamoto, Japan

September

Weather in September

September, the first month of the autumn in Kawamoto, is still a warm month, with an average temperature ranging between min 17°C (62.6°F) and max 25.1°C (77.2°F).

Temperature

A subtle shift in Kawamoto's weather is observed as August turns into September, with the average high temperature reducing from a warm 29.8°C (85.6°F) to a still moderately hot 25.1°C (77.2°F). In the month of September, Kawamoto records a consistent average low-temperature of 17°C (62.6°F).

Humidity

The average relative humidity in September is 83%.

Rainfall

In September, the rain falls for 16.1 days. Throughout September, 114mm (4.49") of precipitation is accumulated. In Kawamoto, Japan, during the entire year, the rain falls for 183.2 days and collects up to 1092mm (42.99") of precipitation.

Snowfall

April through October are months without snowfall in Kawamoto.

Daylight

In Kawamoto, the average length of the day in September is 12h and 24min.
On the first day of the month, sunrise is at 05:42 and sunset at 18:37. On the last day of September, sunrise is at 06:04 and sunset at 17:55 JST.

Sunshine

In September, the average sunshine is 8.1h.

UV index

In Kawamoto, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for average individuals.
Note: In September, the maximum UV index of 4 suggests these recommendations:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.

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

Frequently asked questions

In September, in Kawamoto, the average high-temperature is 25.1°C (77.2°F), and the average low-temperature is 17°C (62.6°F). In August, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, is estimated at 38°C (100.4°F).

The average relative humidity in September in Kawamoto, Japan, is 83%.

In Kawamoto, in September, it is raining for 16.1 days, with typically 114mm (4.49") of accumulated precipitation.

April through October are months without snowfall.

The average day length in September in Kawamoto is 12h and 24min.

On the first day of September, sunrise is at 05:42 and sunset at 18:37. On the last day of the month, sunrise is at 06:04 and sunset at 17:55 JST.

In September, the average sunshine duration in Kawamoto, Japan, is 8.1h.

The average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate health threat from exposure to Sun's UV rays.

Today

Tomorrow

Long-term

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

Aug

September

Oct

Average high temperature

29.8°C

25.1°C

19.6°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

7.8km/h

7.5km/h

8.8km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

Average daylight

Average sunshine

Average sunshine days

11.2

11.7

14.6

Average UV index

Average cloud cover

Average visibility

Average temperature in September
Kawamoto, Japan

Average high temperature in September: 25.1°C

The warmest month (with the highest average high temperature) is August (29.8°C).
The month with the lowest average high temperature is January (5.1°C).

Average low temperature in September: 17°C

The month with the highest average low temperature is August (20.8°C).
The coldest month (with the lowest average low temperature) is January (-0.1°C).

Average pressure in September
Kawamoto, Japan

Average pressure in September: 1012.7mbar

The month with the highest atmospheric pressure is January (1020.9mbar).
The months with the lowest atmospheric pressure are June and July (1008.3mbar).

Average wind speed in September
Kawamoto, Japan

Average wind speed in September: 7km/h

The windiest month (with the highest average wind speed) is December (10.6km/h).
The calmest month (with the lowest average wind speed) is June (6.3km/h).

Average humidity in September
Kawamoto, Japan

Average humidity in September: 83%

The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is May (73%).

Average rainfall in September
Kawamoto, Japan

Average rainfall in September: 114mm

The wettest month (with the highest rainfall) is July (202mm).
The driest month (with the least rainfall) is November (42mm).

Average rainfall days in September
Kawamoto, Japan

Average rainfall days in September: 16.1 days

The month with the highest number of rainy days is July (21 days).
The month with the least rainy days is May (11.6 days).

Average snowfall in September
Kawamoto, Japan

Average snowfall in September: 0mm

The month with the highest snowfall is January (145mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days in September
Kawamoto, Japan

Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (10.8 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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

Average daylight in September: 12h and 24min

The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 54min).

Average sunshine in September: 8h and 6min

The month with the most sunshine is August (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).