September weather forecastUeda, Japan

September

Weather in September

September, the first month of the autumn in Ueda, is still a pleasant month, with an average temperature varying between 12.2°C (54°F) and 22.2°C (72°F).

Temperature

Ueda's progression into September includes a drop in the average high-temperature, from a warm 27.4°C (81.3°F) in August to a pleasant 22.2°C (72°F). September in Ueda sees the temperature falling to a mean low of 12.2°C (54°F).

Humidity

January, February, July and September, with an average relative humidity of 84%, are the most humid months.

Rainfall

In Ueda, Japan, during September, the rain falls for 16.9 days and regularly aggregates up to 74mm (2.91") of precipitation. Throughout the year, in Ueda, Japan, there are 215.3 rainfall days, and 985mm (38.78") of precipitation is accumulated.

Snowfall

May through October are months without snowfall.

Daylight

In Ueda, Japan, the average length of the day in September is 12h and 25min.
On the first day of September, sunrise is at 05:18 and sunset at 18:15. On the last day of the month, sunrise is at 05:41 and sunset at 17:32 JST.

Sunshine

The average sunshine in September in Ueda is 8.2h.

UV index

In September, the average daily maximum UV index in Ueda is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The maximum UV index, 4 during September, leads to the following recommendations:
Ensure safety - Imperative it is to shield skin and eyes from damage. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. To cut down UV radiation exposure by about half, sport a wide-brim hat.

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

Frequently asked questions

The average high-temperature and low-temperature in Ueda, Japan, during September are 22.2°C (72°F) and 12.2°C (54°F) respectively. The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, in August is evaluated at 31°C (87.8°F).

January, February, July and September, with an average relative humidity of 84%, are most humid months.

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

In Ueda, Japan, in September, it is raining for 16.9 days, with typically 74mm (2.91") of accumulated precipitation.

May through October are months without snowfall.

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

In September, on the first day of the month, sunrise is at 05:18 and sunset at 18:15. On the last day of the month, in Ueda, sunrise is at 05:41 and sunset at 17:32 JST.

In September, the average sunshine duration is 8.2h.

The average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes 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

27.4°C

22.2°C

16.6°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

6.1km/h

6.7km/h

7.6km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

Average daylight

Average sunshine

Average sunshine days

7.3

9.8

10.2

Average UV index

Average cloud cover

Average visibility

Average temperature in September
Ueda, Japan

Average high temperature in September: 22.2°C

The warmest month (with the highest average high temperature) is August (27.4°C).
The month with the lowest average high temperature is January (0.3°C).

Average low temperature in September: 12.2°C

The month with the highest average low temperature is August (16.8°C).
The coldest month (with the lowest average low temperature) is January (-8.5°C).

Average pressure in September
Ueda, Japan

Average pressure in September: 1013.8mbar

The month with the highest atmospheric pressure is November (1019.1mbar).
The month with the lowest atmospheric pressure is June (1009.2mbar).

Average wind speed in September
Ueda, Japan

Average wind speed in September: 6.3km/h

The windiest month (with the highest average wind speed) is March (8.5km/h).
The calmest month (with the lowest average wind speed) is August (5.4km/h).

Average humidity in September
Ueda, Japan

Average humidity in September: 84%

The months with the highest relative humidity are January, February, July and September (84%).
The month with the lowest relative humidity is May (72%).

Average rainfall in September
Ueda, Japan

Average rainfall in September: 74mm

The wettest month (with the highest rainfall) is July (134mm).
The driest month (with the least rainfall) is February (50mm).

Average rainfall days in September
Ueda, Japan

Average rainfall days in September: 16.9 days

The month with the highest number of rainy days is July (22.6 days).
The month with the least rainy days is February (14.3 days).

Average snowfall in September
Ueda, Japan

Average snowfall in September: 0mm

The month with the highest snowfall is January (299mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).

Average snowfall days in September
Ueda, Japan

Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (21.1 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Ueda, 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 12min

The month with the most sunshine is May (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 5h and 48min).