September weather forecastKarocho, Japan

September

Weather in September

The first month of the autumn, September, is also a moderately hot month in Karocho, Japan, with an average temperature varying between 18.2°C (64.8°F) and 24.3°C (75.7°F).

Temperature

As Karocho enters September, the average high-temperature subtly lowers from the 28.9°C (84°F) of August to a still warm 24.3°C (75.7°F). During September, the nighttime temperature averages of 18.2°C (64.8°F).

Humidity

The average relative humidity in September is 84%.

Rainfall

In Karocho, during September, the rain falls for 18 days and regularly aggregates up to 136mm (5.35") of precipitation. Throughout the year, there are 209.4 rainfall days, and 1077mm (42.4") of precipitation is accumulated.

Snowfall

April through November are months without snowfall.

Daylight

In Karocho, Japan, the average length of the day in September is 12h and 25min.
On the first day of the month, sunrise is at 05:35 and sunset at 18:30. On the last day of September, in Karocho, sunrise is at 05:57 and sunset at 17:48 JST.

Sunshine

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

UV index

The average daily maximum UV index in September in Karocho, Japan, is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: In September, a daily maximum UV index of 5 leads to the following instructions:
Adopt protective measures - It is advised to guard against sun damage. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Stay sun-safe with clothing that is both closely woven and worn loosely.

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

Frequently asked questions

During September, Karocho experiences an average high-temperature of 24.3°C (75.7°F) and a low-temperature of 18.2°C (64.8°F). The average heat index (a.k.a. 'real feel', 'felt air temperature'), which factors the actual air temperature with the relative humidity, in August is evaluated at 35°C (95°F).

In September, the average relative humidity in Karocho is 84%.

In Karocho, during September, the rain falls for 18 days and regularly aggregates up to 136mm (5.35") of precipitation.

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

In September, the average day length in Karocho, Japan, is 12h and 25min.

In September, on the first day of the month, sunrise is at 05:35 and sunset at 18:30. On the last day of the month, in Karocho, Japan, sunrise is at 05:57 and sunset at 17:48 JST.

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

In Karocho, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a moderate health threat from unprotected exposure to 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

28.9°C

24.3°C

19.2°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

9km/h

9.6km/h

11.6km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

19.7

16.2

Average snowfall

0mm

Average snowfall days

Average daylight

Average sunshine

Average sunshine days

9.1

9.7

12.6

Average UV index

Average cloud cover

Average visibility

Average temperature in September
Karocho, Japan

Average high temperature in September: 24.3°C

The warmest month (with the highest average high temperature) is August (28.9°C).
The month with the lowest average high temperature is January (5.5°C).

Average low temperature in September: 18.2°C

The month with the highest average low temperature is August (22.4°C).
The coldest month (with the lowest average low temperature) is January (1.1°C).

Average pressure in September
Karocho, Japan

Average pressure in September: 1012.8mbar

The month with the highest atmospheric pressure is February (1020.4mbar).
The month with the lowest atmospheric pressure is June (1008.5mbar).

Average wind speed in September
Karocho, Japan

Average wind speed in September: 9.1km/h

The windiest month (with the highest average wind speed) is December (14.8km/h).
The calmest month (with the lowest average wind speed) is June (8km/h).

Average humidity in September
Karocho, Japan

Average humidity in September: 84%

The month with the highest relative humidity is July (86%).
The months with the lowest relative humidity are April and May (75%).

Average rainfall in September
Karocho, Japan

Average rainfall in September: 136mm

The wettest month (with the highest rainfall) is July (158mm).
The driest month (with the least rainfall) is February (54mm).

Average rainfall days in September
Karocho, Japan

Average rainfall days in September: 18 days

The month with the highest number of rainy days is July (22.6 days).
The month with the least rainy days is May (13.3 days).

Average snowfall in September
Karocho, Japan

Average snowfall in September: 0mm

The month with the highest snowfall is January (191mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).

Average snowfall days in September
Karocho, Japan

Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (11 days).
The months with the least snowfall days are May, June, July, August, September, October and November (0 days).

Average daylight in September /
Average sunshine in September
Karocho, 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 48min).

Average sunshine in September: 8h and 0min

The month with the most sunshine is August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 2h and 36min).