September weather forecastKamiichi, Japan

September

Weather in September

The first month of the autumn, September, is also an agreeable month in Kamiichi, Japan, with temperature in the range of an average low of 16.1°C (61°F) and an average high of 21.7°C (71.1°F).

Temperature

September's arrival comes with a mild decrease in the average high-temperature, moving subtly from a warm 25.7°C (78.3°F) in August to a pleasant 21.7°C (71.1°F). Nighttime temperature lowers to an average of 16.1°C (61°F) in September.

Humidity

In Kamiichi, the average relative humidity in September is 80%.

Rainfall

In Kamiichi, during September, the rain falls for 19.8 days and regularly aggregates up to 121mm (4.76") of precipitation. In Kamiichi, during the entire year, the rain falls for 215.5 days and collects up to 1635mm (64.37") of precipitation.

Snowfall

In Kamiichi, snow does not fall in May through October.

Daylight

The average length of the day in September in Kamiichi is 12h and 26min.
On the first day of September in Kamiichi, Japan, sunrise is at 05:21 and sunset at 18:19. On the last day of the month, sunrise is at 05:45 and sunset at 17:35 JST.

Sunshine

In September, the average sunshine is 8.4h.

UV index

The average daily maximum UV index in September in Kamiichi, Japan, is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.
Note: In September, an average UV index of 5 transforms into the following instructions:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.

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 21.7°C (71.1°F) and a low-temperature of 16.1°C (61°F).

In September, the average relative humidity in Kamiichi is 80%.

In September, the rain falls for 19.8 days. Throughout September, 121mm (4.76") of precipitation is accumulated.

In Kamiichi, Japan, snow does not fall in May through October.

The average day length in September in Kamiichi, Japan, is 12h and 26min.

On the first day of September in Kamiichi, sunrise is at 05:21 and sunset at 18:19. On the last day of the month, sunrise is at 05:45 and sunset at 17:35 JST.

In September, the average sunshine duration in Kamiichi, Japan, is 8.4h.

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

25.7°C

21.7°C

16.3°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

8.8km/h

9.6km/h

11.2km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

Average daylight

Average sunshine

Average sunshine days

3.7

7.8

11.3

Average UV index

Average cloud cover

Average visibility

Average temperature in September
Kamiichi, Japan

Average high temperature in September: 21.7°C

The warmest month (with the highest average high temperature) is August (25.7°C).
The month with the lowest average high temperature is January (1°C).

Average low temperature in September: 16.1°C

The month with the highest average low temperature is August (19.9°C).
The coldest month (with the lowest average low temperature) is February (-4.6°C).

Average pressure in September
Kamiichi, Japan

Average pressure in September: 1013.8mbar

The month with the highest atmospheric pressure is November (1019.3mbar).
The month with the lowest atmospheric pressure is June (1009.1mbar).

Average wind speed in September
Kamiichi, Japan

Average wind speed in September: 9.2km/h

The windiest month (with the highest average wind speed) is December (14.4km/h).
The calmest month (with the lowest average wind speed) is August (8.1km/h).

Average humidity in September
Kamiichi, Japan

Average humidity in September: 80%

The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is May (73%).

Average rainfall in September
Kamiichi, Japan

Average rainfall in September: 121mm

The wettest month (with the highest rainfall) is July (228mm).
The driest month (with the least rainfall) is May (89mm).

Average rainfall days in September
Kamiichi, Japan

Average rainfall days in September: 19.8 days

The month with the highest number of rainy days is July (26 days).
The month with the least rainy days is February (11.3 days).

Average snowfall in September
Kamiichi, Japan

Average snowfall in September: 0mm

The month with the highest snowfall is January (663mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).

Average snowfall days in September
Kamiichi, Japan

Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (20.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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

Average daylight in September: 12h and 24min

The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).

Average sunshine in September: 8h and 24min

The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).