September weather forecastAgena, Japan
September
Weather in September
The first month of the autumn, September, is still a warm month in Agena, Japan, with an average temperature fluctuating between 28.7°C (83.7°F) and 27.3°C (81.1°F).Temperature
Agena greets September with an average high-temperature of a still warm 28.7°C (83.7°F), marking a slight deviation from the preceding month. September nights in Agena anticipate an average temperature of 27.3°C (81.1°F), a modest decline from the daytime.Heat index
The average heat index in September is appraised at a hot 34°C (93.2°F). Ensure additional precautions, heat exhaustion and heat cramps may be expected. Heatstroke could occur from sustained activity.Factoring in the heat index, values are geared towards shaded areas with light breezes. Direct sunlight has the potential to heighten heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', arises from combining readings of air temperature and relative moisture content. A person's impression of weather can be shaped by many aspects, among them metabolic variations, pregnancy, and levels of physical activity. The sun, when shining directly, can have a significant impact on the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Youngsters often neglect the necessity for rest and hydration. Thirst is a sign of advancing dehydration - thus the importance of maintaining hydration, specifically during long-lasting physical activities.
Humidity
The average relative humidity in September in Agena is 79%.Rainfall
In September, the rain falls for 19.5 days. Throughout September, 131mm (5.16") of precipitation is accumulated. In Agena, during the entire year, the rain falls for 228.2 days and collects up to 1424mm (56.06") of precipitation.Daylight
The average length of the day in September in Agena 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, sunrise is at 06:20 and sunset at 18:16 JST.
Sunshine
In September, the average sunshine 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 estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum daily UV index of 7 in September converts into the following recommendations:
Undertake protective measures and comply with sun safety rules. Shielding against skin and eye damage is essential. Remember that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. Make an effort to avoid direct sun exposure during these hours. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Agena, 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
Agena, 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
Agena, 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
Agena, 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
Agena, 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
Agena, 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
Agena, Japan
- Average daylight in September: 12h and 18min
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 30min
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
Agena, 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
Agena, 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
Agena, 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
Agena, 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).
