September weather forecast
Uruma, Japan

September

Weather in September

The first month of the autumn, September, is also a moderately hot month in Uruma, Japan, with an average temperature fluctuating between 27.3°C (81.1°F) and 28.7°C (83.7°F).

Temperature

As September takes hold, the average high-temperature is a still warm 28.7°C (83.7°F), nearly mirroring that of the previous month. September's average low temperature in Uruma is a still warm 27.3°C (81.1°F), displaying a subtle drop from its daily peak.

Heat index

September's heat index is calculated to be a tropical 34°C (93.2°F). Exercise extra preventive actions, heat cramps and heat exhaustion are plausible. Continuous activity could result in heatstroke.
Be advised, the heat index considers values for conditions in shade and with a light breeze. Direct sunlight might cause an increase of up to 15 Fahrenheit (8 Celsius) degrees in the heat index.
Note: The heat index, also known as 'felt air temperature' or 'feels like', arises from combining readings of air temperature and relative moisture content. This effect is subjective, differing among individuals based on their physical activity and perception of heat, which can be influenced by factors like wind, clothing, and metabolic variances. Keep aware, the sun, when shining directly, can intensify the heat experience, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Children commonly overlook the importance of rest and fluid replenishment. Thirst, being a delayed sign of dehydration, emphasizes the need to keep hydration up, especially during lengthy physical activities.

Humidity

In September, the average relative humidity in Uruma is 79%.

Rainfall

In Uruma, during September, the rain falls for 19.5 days and regularly aggregates up to 131mm (5.16") of precipitation. Throughout the year, in Uruma, there are 228.2 rainfall days, and 1424mm (56.06") of precipitation is accumulated.

Daylight

In Uruma, Japan, the average length of the day in September is 12h and 19min.
On the first day of the month, sunrise is at 06:08 and sunset at 18:48. On the last day of September, in Uruma, sunrise is at 06:20 and sunset at 18:16 JST.

Sunshine

In Uruma, Japan, the average sunshine in September is 8.5h.

UV index

June through September, with an average maximum UV index of 7, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: A maximum high UV index of 7 in September translates into the following recommendations:
Enforce precautions and stick to sun safety measures. Preservation from skin and eye damage is essential. Try to minimize direct Sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Also note that objects like parasols or canopies might not provide complete sun protection. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.

Frequently asked questions

How hot does it get in Uruma in September?
During September, Uruma experiences an average high-temperature of 28.7°C (83.7°F) and a low-temperature of 27.3°C (81.1°F). In September, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which represents the influence of relative humidity on air temperature, is calculated to be 34°C (93.2°F).
What is the average humidity in September in Uruma?
The average relative humidity in September in Uruma, Japan, is 79%.
How many days does it rain in September in Uruma?
In Uruma, Japan, in September, during 19.5 rainfall days, 131mm (5.16") of precipitation is typically accumulated.
How many hours of daylight does Uruma have in September?
In Uruma, the average day length in September is 12h and 19min.
When is the sunrise / sunset in September in Uruma?
On the first day of September in Uruma, Japan, sunrise is at 06:08 and sunset at 18:48. On the last day of the month, sunrise is at 06:20 and sunset at 18:16 JST.
How long on average sun shines in September in Uruma?
In September, the average sunshine duration in Uruma, Japan, is 8.5h.
What is the month with the highest UV index in Uruma?
The months with the highest UV index are June through September, with an average maximum UV index of 7.
How high is the UV index in September in Uruma?
In Uruma, Japan, the average daily maximum UV index in September is 7. A UV Index value of 6 to 7 symbolizes a high 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 daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in September
Uruma, Japan
  • Average high temperature in September: 28.7°C

The warmest month (with the highest average high temperature) is August (29.5°C).
The month with the lowest average high temperature is January (18.8°C).

  • Average low temperature in September: 27.3°C

The month with the highest average low temperature is August (28.2°C).
The coldest month (with the lowest average low temperature) is January (16.8°C).

Average pressure in September
Uruma, Japan
  • Average pressure in September: 1009.1mbar

The month with the highest atmospheric pressure is January (1020.9mbar).
The month with the lowest atmospheric pressure is August (1006.6mbar).

Average wind speed in September
Uruma, Japan
  • Average wind speed in September: 22.3km/h

The windiest month (with the highest average wind speed) is December (27km/h).
The calmest month (with the lowest average wind speed) is May (19.2km/h).

Average humidity in September
Uruma, Japan
  • Average humidity in September: 79%

The month with the highest relative humidity is June (87%).
The month with the lowest relative humidity is January (72%).

Average rainfall in September
Uruma, Japan
  • Average rainfall in September: 131mm

The wettest month (with the highest rainfall) is June (205mm).
The driest month (with the least rainfall) is February (61mm).

Average rainfall days in September
Uruma, Japan
  • Average rainfall days in September: 19.5 days

The month with the highest number of rainy days is January (22.6 days).
The months with the least rainy days are March and November (16.5 days).

Average daylight in September /
Average sunshine in September
Uruma, Japan
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 13h and 48min).
The month with the shortest days is December (Average daylight: 10h and 30min).

  • Average sunshine in September: 8h and 3min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).

Average sunshine days in September
Uruma, Japan
  • Average sunshine days in September: 7.9 days

The month with the most sunshine days is April (11 days).
The month with the least sunshine days is January (5.4 days).

Average UV index in September
Uruma, Japan
  • Average UV index in September: 7

The months with the highest UV index are June, July, August and September (UV index 7).
The month with the lowest UV index is December (UV index 4).

Average cloud cover in September
Uruma, Japan
  • Average cloud cover in September: 37

The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is July (Cloud cover 35).

Average visibility in September
Uruma, Japan
  • Average visibility in September: 10km

The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is May (9km).

englishespañol中文
Share