Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average sea temperature in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
Tomigusuku experiences a subtle adjustment in high-temperatures to a still warm 28.5°C (83.3°F) with the onset of September, maintaining near parity with August's 29.4°C (84.9°F). The nights of September in Tomigusuku anticipate a slight dip from daytime high temperatures, settling to an average low-temperature of 27.5°C (81.5°F).Heat index
September's average heat index is evaluated at a tropical 33°C (91.4°F). Undertake special precautions, the probability of heat exhaustion and heat cramps is high. Prolonged activity may provoke heatstroke.Understand that the heat index values take into account shaded locations and mild winds. The heat index may scale up by 15 Fahrenheit (8 Celsius) degrees with direct sun exposure.
Note: The heat index, also known as 'apparent temperature' or 'feels like', reflects the blend of air temperature and relative humidity to give a temperature impression. The individual's impression of temperature can be shaped by additional aspects such as metabolic variations, physical activity, and clothing. Direct sun rays have a notable impact on perceived temperature, which can raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Young children typically face greater hazards than adults because they do not sweat as much. Their larger skin surface in comparison to their little bodies and the high heat production from their active nature compounds their vulnerability.
Humidity
In Tomigusuku, the average relative humidity in September is 79%.Rainfall
In Tomigusuku, during September, the rain falls for 19.4 days and regularly aggregates up to 126mm (4.96") of precipitation. In Tomigusuku, during the entire year, the rain falls for 226.7 days and collects up to 1392mm (54.8") of precipitation.Sea temperature
In Tomigusuku, in September, the average water temperature is 28.3°C (82.9°F).Note: For any water activity, the surface water temperatures in the range of 25°C (77°F) to 29°C (84.2°F) are deemed excellent and incredibly pleasant for longer durations.
Daylight
In September, the average length of the day in Tomigusuku is 12h and 19min.On the first day of the month, sunrise is at 06:09 and sunset at 18:49. On the last day of September, in Tomigusuku, sunrise is at 06:21 and sunset at 18:17 JST.
Sunshine
In Tomigusuku, Japan, the average sunshine in September is 8.6h.UV index
The months with the highest UV index in Tomigusuku, Japan, are June through September, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In September, the UV index of 7 transforms into the following advice:
Adopt measures and apply sun safety strategies. Shielding from skin and eye damage is necessary. From 10 a.m. to 4 p.m., when UV radiation is at its strongest, limit direct exposure to the Sun and note that shade structures may not provide full sun protection. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Caution! The reflection of sand and water significantly amplifies the Sun's UV radiation.
Frequently asked questions
How hot is it in Tomigusuku in September?
What is the average humidity in September in Tomigusuku?
How much does it rain in Tomigusuku in September?
How warm is the water in September in Tomigusuku?
How many hours of daylight does Tomigusuku have in September?
When are sunrise and sunset in September in Tomigusuku?
How many hours of sunshine does Tomigusuku have in September?
When is the highest UV index in Tomigusuku?
What is the UV index intensity in September in Tomigusuku?
Average temperature in September
Tomigusuku, Japan
- Average high temperature in September: 28.5°C
The warmest month (with the highest average high temperature) is August (29.4°C).
The month with the lowest average high temperature is January (18.9°C).
- Average low temperature in September: 27.5°C
The month with the highest average low temperature is August (28.3°C).
The coldest month (with the lowest average low temperature) is January (17°C).
Average pressure in September
Tomigusuku, Japan
- Average pressure in September: 1009.1mbar
The month with the highest atmospheric pressure is January (1020.8mbar).
The month with the lowest atmospheric pressure is August (1006.6mbar).
Average wind speed in September
Tomigusuku, Japan
- Average wind speed in September: 23.3km/h
The windiest month (with the highest average wind speed) is December (28.4km/h).
The calmest month (with the lowest average wind speed) is May (20.1km/h).
Average humidity in September
Tomigusuku, Japan
- Average humidity in September: 79%
The month with the highest relative humidity is June (86%).
The month with the lowest relative humidity is January (72%).
Average rainfall in September
Tomigusuku, Japan
- Average rainfall in September: 126mm
The wettest month (with the highest rainfall) is June (201mm).
The driest month (with the least rainfall) is February (59mm).
Average rainfall days in September
Tomigusuku, Japan
- Average rainfall days in September: 19.4 days
The month with the highest number of rainy days is June (21.5 days).
The month with the least rainy days is July (16.4 days).
Average sea temperature in September
Tomigusuku, Japan
- Average sea temperature in September: 28.3°C
The best month for swimming (with the highest average sea temperature) is August (28.7°C).
The coldest month (with the lowest average sea temperature) is February (20.9°C).
Average daylight in September /
Average sunshine in September
Tomigusuku, 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 4min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days in September
Tomigusuku, Japan
- Average sunshine days in September: 7.6 days
The month with the most sunshine days is July (11.9 days).
The month with the least sunshine days is December (5.7 days).
Average UV index in September
Tomigusuku, 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
Tomigusuku, Japan
- Average cloud cover in September: 36
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is July (Cloud cover 34).
Average visibility in September
Tomigusuku, Japan
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
Tomigusuku, Japan
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