September weather forecastGonome, Japan

September

Weather in September

The first month of the autumn, September, is still a warm month in Gonome, Japan, with an average temperature fluctuating between 23.4°C (74.1°F) and 14.6°C (58.3°F).

Temperature

The transition into September is accompanied by a temperature decrease, with the average high-temperature shifting from a warm 28.4°C (83.1°F) in August to a still moderately hot 23.4°C (74.1°F). Nighttime temperature experiences an average drop to a moderate 14.6°C (58.3°F) in September.

Humidity

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

Rainfall

In Gonome, during September, the rain falls for 13.5 days and regularly aggregates up to 65mm (2.56") of precipitation. Throughout the year, in Gonome, there are 179.1 rainfall days, and 803mm (31.61") of precipitation is accumulated.

Snowfall

May through October are months without snowfall.

Daylight

In September, the average length of the day in Gonome is 12h and 26min.
On the first day of the month, sunrise is at 05:08 and sunset at 18:07. On the last day of September, in Gonome, Japan, sunrise is at 05:32 and sunset at 17:23 JST.

Sunshine

In September, the average sunshine is 6.8h.

UV index

In Gonome, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the average person.
Note: In September, the maximum UV index of 4 transforms into these recommendations:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.

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

Frequently asked questions

The high-temperature in Gonome during September is 23.4°C (74.1°F) and the low-temperature is 14.6°C (58.3°F). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, in August is evaluated at 34°C (93.2°F).

The average relative humidity in September in Gonome, Japan, is 84%.

In Gonome, Japan, in September, it is raining for 13.5 days, with typically 65mm (2.56") of accumulated precipitation.

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

In Gonome, the average day length in September is 12h and 26min.

On the first day of September, sunrise is at 05:08 and sunset at 18:07. On the last day of the month, sunrise is at 05:32 and sunset at 17:23 JST.

In September, the average sunshine duration is 6.8h.

In Gonome, Japan, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate vulnerability 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

28.4°C

23.4°C

17.7°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

7.3km/h

7.6km/h

9.4km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

13.5

12.6

Average snowfall

0mm

Average snowfall days

Average daylight

Average sunshine

Average sunshine days

9.3

13.7

14.2

Average UV index

Average cloud cover

Average visibility

Average temperature in September
Gonome, Japan

Average high temperature in September: 23.4°C

The warmest month (with the highest average high temperature) is August (28.4°C).
The month with the lowest average high temperature is January (1.3°C).

Average low temperature in September: 14.6°C

The month with the highest average low temperature is August (18.9°C).
The coldest month (with the lowest average low temperature) is February (-5.2°C).

Average pressure in September
Gonome, Japan

Average pressure in September: 1014.1mbar

The month with the highest atmospheric pressure is November (1018.8mbar).
The month with the lowest atmospheric pressure is June (1009.3mbar).

Average wind speed in September
Gonome, Japan

Average wind speed in September: 7.2km/h

The windiest month (with the highest average wind speed) is January (11.3km/h).
The calmest month (with the lowest average wind speed) is August (6.4km/h).

Average humidity in September
Gonome, Japan

Average humidity in September: 84%

The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is May (73%).

Average rainfall in September
Gonome, Japan

Average rainfall in September: 65mm

The wettest months (with the highest rainfall) are July and October (116mm).
The driest month (with the least rainfall) is February (31mm).

Average rainfall days in September
Gonome, Japan

Average rainfall days in September: 13.5 days

The month with the highest number of rainy days is July (21.3 days).
The month with the least rainy days is February (10.8 days).

Average snowfall in September
Gonome, Japan

Average snowfall in September: 0mm

The month with the highest snowfall is January (182mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).

Average snowfall days in September
Gonome, Japan

Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (17.8 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
Gonome, Japan

Average daylight in September: 12h and 24min

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

Average sunshine in September: 6h and 48min

The month with the most sunshine is May (Average sunshine: 9h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).