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
The onset of September brings an average high-temperature of a still warm 27.5°C (81.5°F), nearly matching the August temperature. Nishinoomote's nights throughout September are marked by an average low temperature of 25.9°C (78.6°F), a minor drop from the day's high.Heat index
September's mean heat index is appraised at a tropical 31°C (87.8°F). Exhaustion is likely with prolonged exposure and activity. Sustaining activity may result in heat cramps.Evaluating the heat index requires understanding its values in the shade and with gentle winds. A direct sunlight exposure may boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', evaluates the perceived heat by adding the effect of moisture in the air. An individual's perception of weather can be affected by a variety of elements including metabolic differences, being pregnant, and their level of physical exertion. Keep it in mind, direct sunlight can augment the heat you experience, possibly pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant 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 September, the average relative humidity in Nishinoomote is 77%.Rainfall
In Nishinoomote, in September, it is raining for 20.9 days, with typically 136mm (5.35") of accumulated precipitation. In Nishinoomote, during the entire year, the rain falls for 218.7 days and collects up to 1303mm (51.3") of precipitation.Sea temperature
In Nishinoomote, the average seawater temperature in September is 27.7°C (81.9°F).Note: Water temperatures between 25°C (77°F) and 29°C (84.2°F) are ideal for all water activities, offering enjoyment without causing discomfort over extended periods.
Daylight
In September, the average length of the day is 12h and 22min.On the first day of September in Nishinoomote, Japan, sunrise is at 05:52 and sunset at 18:39. On the last day of the month, sunrise is at 06:09 and sunset at 18:02 JST.
Sunshine
The average sunshine in September is 8.3h.UV index
In September, the average daily maximum UV index in Nishinoomote is 6. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: A maximum high UV index of 6 in September translates into the following recommendations:
Skirt overexposure. People with light complexions might get scorched in under 20 minutes. Stay in the shade and limit sun exposure from 10 a.m. to 4 p.m., when UV radiation is most potent. Keep in mind that shade structures like parasols or canopies do not offer full protection. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Warning! The reflection of sand and water increases the UV dose.
Frequently asked questions
What is the average September temperature in Nishinoomote?
What is the average humidity in September in Nishinoomote?
How many days does it rain in September in Nishinoomote?
What is the sea water temperature in September in Nishinoomote?
How many hours of daylight does Nishinoomote have in September?
When are sunrise and sunset in September in Nishinoomote?
How long on average sun shines in September in Nishinoomote?
What is the UV index reading in September in Nishinoomote?
Average temperature in September
Nishinoomote, Japan
- Average high temperature in September: 27.5°C
The warmest month (with the highest average high temperature) is August (28.8°C).
The month with the lowest average high temperature is January (14.7°C).
- Average low temperature in September: 25.9°C
The month with the highest average low temperature is August (27.9°C).
The coldest month (with the lowest average low temperature) is January (11.9°C).
Average pressure in September
Nishinoomote, Japan
- Average pressure in September: 1010.7mbar
The month with the highest atmospheric pressure is January (1020.8mbar).
The months with the lowest atmospheric pressure are June and August (1008.2mbar).
Average wind speed in September
Nishinoomote, Japan
- Average wind speed in September: 23.9km/h
The windiest month (with the highest average wind speed) is December (29.7km/h).
The calmest month (with the lowest average wind speed) is July (20.4km/h).
Average humidity in September
Nishinoomote, Japan
- Average humidity in September: 77%
The month with the highest relative humidity is July (85%).
The months with the lowest relative humidity are January, March, November and December (69%).
Average rainfall in September
Nishinoomote, Japan
- Average rainfall in September: 136mm
The wettest month (with the highest rainfall) is June (248mm).
The driest month (with the least rainfall) is January (61mm).
Average rainfall days in September
Nishinoomote, Japan
- Average rainfall days in September: 20.9 days
The month with the highest number of rainy days is June (21.3 days).
The month with the least rainy days is May (14.1 days).
Average sea temperature in September
Nishinoomote, Japan
- Average sea temperature in September: 27.7°C
The best month for swimming (with the highest average sea temperature) is August (28.3°C).
The coldest month (with the lowest average sea temperature) is February (19.4°C).
Average daylight in September /
Average sunshine in September
Nishinoomote, Japan
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 6min).
The month with the shortest days is December (Average daylight: 10h and 12min).
- Average sunshine in September: 8h and 2min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).
Average sunshine days in September
Nishinoomote, Japan
- Average sunshine days in September: 7.2 days
The month with the most sunshine days is May (15.8 days).
The month with the least sunshine days is December (6.1 days).
Average UV index in September
Nishinoomote, Japan
- Average UV index in September: 6
The months with the highest UV index are July and August (UV index 7).
The months with the lowest UV index are January, February, March, November and December (UV index 4).
Average cloud cover in September
Nishinoomote, Japan
- Average cloud cover in September: 44
The month with the most cloud cover is June (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility in September
Nishinoomote, 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).
Nishinoomote, Japan
Weather forecast for your location
2. Allow the app to use your location
