September weather forecastKasuga, Japan

September

Weather in September

The first month of the autumn, September, is still a warm month in Kasuga, Japan, with an average temperature ranging between max 26.6°C (79.9°F) and min 19.6°C (67.3°F).

Temperature

Kasuga's progression into September involves a gentle drop in the average high-temperature, from a tropical 31.1°C (88°F) in August to a warm 26.6°C (79.9°F). Kasuga's average low-temperature during September nights is observed to be a comfortable 19.6°C (67.3°F).

Humidity

In September, the average relative humidity is 80%.

Rainfall

In Kasuga, in September, during 16.3 rainfall days, 89mm (3.5") of precipitation is typically accumulated. In Kasuga, Japan, during the entire year, the rain falls for 183.3 days and collects up to 1145mm (45.08") of precipitation.

Snowfall

April through November are months without snowfall in Kasuga, Japan.

Daylight

The average length of the day in September in Kasuga, Japan, is 12h and 23min.
On the first day of September, sunrise is at 05:52 and sunset at 18:43. On the last day of the month, sunrise is at 06:11 and sunset at 18:04 JST.

Sunshine

In Kasuga, Japan, the average sunshine in September is 7.6h.

UV index

In September, the average daily maximum UV index in Kasuga is 5. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the average person.
Note: A typical high UV index of 5 in September suggests the following recommendations:
Take necessary precautions - Suggestions to elude sunburn are provided. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.

Frequently asked questions

The high-temperature during September is 26.6°C (79.9°F) and the low-temperature is 19.6°C (67.3°F). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which calculates the temperature value influenced by the moisture in the air, in August is appraised at 41°C (105.8°F).

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

In Kasuga, Japan, in September, it is raining for 16.3 days, with typically 89mm (3.5") of accumulated precipitation.

In Kasuga, snow does not fall in April through November.

The average day length in September in Kasuga, Japan, is 12h and 23min.

On the first day of September, sunrise is at 05:52 and sunset at 18:43. On the last day of the month, sunrise is at 06:11 and sunset at 18:04 JST.

In September, the average sunshine duration is 7.6h.

The average daily maximum UV index in September in Kasuga is 5. A UV Index estimate of 3 to 5 represents a medium health risk from exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Kasuga, Japan

  • Average high temperature in September: 26.6°C

The warmest month (with the highest average high temperature) is August (31.1°C).
The month with the lowest average high temperature is January (8.3°C).

  • Average low temperature in September: 19.6°C

The month with the highest average low temperature is August (23.5°C).
The coldest month (with the lowest average low temperature) is January (2.5°C).

Average pressure in September
Kasuga, Japan

  • Average pressure in September: 1012.2mbar

The month with the highest atmospheric pressure is January (1022mbar).
The month with the lowest atmospheric pressure is June (1008.2mbar).

Average wind speed in September
Kasuga, Japan

  • Average wind speed in September: 8.4km/h

The windiest months (with the highest average wind speed) are January and March (10.7km/h).
The calmest month (with the lowest average wind speed) is June (7.6km/h).

Average humidity in September
Kasuga, Japan

  • Average humidity in September: 80%

The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is March (73%).

Average rainfall in September
Kasuga, Japan

  • Average rainfall in September: 89mm

The wettest month (with the highest rainfall) is July (221mm).
The driest month (with the least rainfall) is January (51mm).

Average rainfall days in September
Kasuga, Japan

  • Average rainfall days in September: 16.3 days

The month with the highest number of rainy days is July (22.5 days).
The month with the least rainy days is October (11.4 days).

Average snowfall in September
Kasuga, Japan

  • Average snowfall in September: 0mm

The month with the highest snowfall is January (33mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).

Average snowfall days in September
Kasuga, Japan

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (5.7 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

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

  • Average daylight in September: 12h and 24min

The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).

  • Average sunshine in September: 7h and 36min

The month with the most sunshine is August (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).

Average sunshine days in September
Kasuga, Japan

  • Average sunshine days in September: 12.6 days

The month with the most sunshine days is October (18.5 days).
The month with the least sunshine days is July (7.1 days).

Average UV index in September
Kasuga, Japan

  • Average UV index in September: 5

The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January and December (UV index 2).

Average cloud cover in September
Kasuga, Japan

  • Average cloud cover in September: 44

The month with the most cloud cover is January (Cloud cover 57).
The months with the least cloud cover are August and October (Cloud cover 39).

Average visibility in September
Kasuga, Japan

  • Average visibility in September: 9km

The months with the highest visibility are January, February, March, April, May, September, October, November and December (9km).
The months with the lowest visibility are June, July and August (8km).