September weather forecastNishitazawa, Japan

September

Weather in September

The first month of the autumn, September, is still a pleasant month in Nishitazawa, Japan, with an average temperature ranging between max 22°C (71.6°F) and min 15.7°C (60.3°F).

Temperature

September marks a gentle change in average high-temperature, declining from August's warm 25.6°C (78.1°F) to an agreeable 22°C (71.6°F). The average temperature during September nights is registered at a moderate 15.7°C (60.3°F).

Humidity

In September, the average relative humidity is 80%.

Rainfall

In Nishitazawa, in September, during 12 rainfall days, 28mm (1.1") of precipitation is typically accumulated. Throughout the year, there are 121.9 rainfall days, and 404mm (15.91") of precipitation is accumulated.

Snowfall

May through October are months without snowfall.

Daylight

In Nishitazawa, the average length of the day in September is 12h and 29min.
On the first day of September, sunrise is at 05:04 and sunset at 18:10. On the last day of the month, sunrise is at 05:32 and sunset at 17:21 JST.

Sunshine

The average sunshine in September is 8.2h.

UV index

The average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: The daily high UV index of 4 during September translates into the following recommendations:
Exercise caution. Those with pale skin may experience burns in less than half an hour. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.

Updated: Aug 10, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Nishitazawa in September has an average high-temperature of 22°C (71.6°F) and an average low-temperature of 15.7°C (60.3°F).

The average relative humidity in September is 80%.

In Nishitazawa, in September, during 12 rainfall days, 28mm (1.1") of precipitation is typically accumulated.

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

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

In September, on the first day of the month, sunrise is at 05:04 and sunset at 18:10. On the last day of the month, sunrise is at 05:32 and sunset at 17:21 JST.

In September, the average sunshine duration is 8.2h.

In September, the average daily maximum UV index is 4. A UV Index 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
Nishitazawa, 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
Nishitazawa, 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
Nishitazawa, 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
Nishitazawa, 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
Nishitazawa, 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
Nishitazawa, 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
Nishitazawa, 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
Nishitazawa, 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
Nishitazawa, 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).