September weather forecastNonai, Japan

September

Weather in September

September, the first month of the autumn in Nonai, is still a pleasant month, with temperature in the range of an average low of 15.7°C (60.3°F) and an average high of 22°C (71.6°F).

Temperature

Nonai's September weather features a light decline in high-temperatures, reducing from a moderately hot 25.6°C (78.1°F) in August to an agreeable 22°C (71.6°F). Throughout the month of September, Nonai witnesses an average low-temperature of 15.7°C (60.3°F).

Humidity

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

Rainfall

In Nonai, Japan, during September, the rain falls for 12 days and regularly aggregates up to 28mm (1.1") of precipitation. In Nonai, during the entire year, the rain falls for 121.9 days and collects up to 404mm (15.91") of precipitation.

Snowfall

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

Daylight

In Nonai, the average length of the day in September is 12h and 29min.
On the first day of September, sunrise is at 05:03 and sunset at 18:09. On the last day of the month, sunrise is at 05:32 and sunset at 17:20 JST.

Sunshine

In Nonai, the average sunshine in September is 8.2h.

UV index

In Nonai, Japan, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In September, the maximum UV index of 4 suggests this advice:
Ensure safety - Imperative it is to shield skin and eyes from damage. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.

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

Frequently asked questions

In Nonai, 22°C (71.6°F) is the average high-temperature and 15.7°C (60.3°F) is the average low-temperature during September.

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

In Nonai, Japan, during September, the rain falls for 12 days and regularly aggregates up to 28mm (1.1") of precipitation.

May through October are months without snowfall in Nonai.

In September, the average day length in Nonai is 12h and 29min.

In September, on the first day of the month, sunrise is at 05:03 and sunset at 18:09. On the last day of the month, sunrise is at 05:32 and sunset at 17:20 JST.

In Nonai, Japan, the average sunshine duration in September is 8.2h.

The average daily maximum UV index in September in Nonai, Japan, is 4. A UV Index value of 3 to 5 symbolizes a medium hazard to health 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

25.6°C

22°C

15.8°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

11.6km/h

11.9km/h

16km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

15.5

11.8

Average snowfall

0mm

Average snowfall days

Average daylight

Average sunshine

Average sunshine days

13.6

16.6

Average UV index

Average cloud cover

Average visibility

Average temperature in September
Nonai, Japan

Average high temperature in September: 22°C

The warmest month (with the highest average high temperature) is August (25.6°C).
The month with the lowest average high temperature is January (-0.3°C).

Average low temperature in September: 15.7°C

The month with the highest average low temperature is August (19.3°C).
The coldest month (with the lowest average low temperature) is February (-4.4°C).

Average pressure in September
Nonai, Japan

Average pressure in September: 1013.7mbar

The month with the highest atmospheric pressure is November (1017.4mbar).
The month with the lowest atmospheric pressure is July (1008.9mbar).

Average wind speed in September
Nonai, Japan

Average wind speed in September: 11.4km/h

The windiest month (with the highest average wind speed) is December (19.9km/h).
The calmest month (with the lowest average wind speed) is July (9.9km/h).

Average humidity in September
Nonai, Japan

Average humidity in September: 80%

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

Average rainfall in September
Nonai, Japan

Average rainfall in September: 28mm

The wettest month (with the highest rainfall) is July (58mm).
The driest months (with the least rainfall) are March, April and November (25mm).

Average rainfall days in September
Nonai, Japan

Average rainfall days in September: 12 days

The month with the highest number of rainy days is July (16.4 days).
The month with the least rainy days is January (3.3 days).

Average snowfall in September
Nonai, Japan

Average snowfall in September: 0mm

The month with the highest snowfall is January (141mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).

Average snowfall days in September
Nonai, Japan

Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (16.4 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
Nonai, Japan

Average daylight in September: 12h and 30min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

Average sunshine in September: 8h and 12min

The month with the most sunshine is August (Average sunshine: 9h and 18min).
The month with the least sunshine is January (Average sunshine: 1h and 54min).