September weather forecastJana, Japan
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Jana, Japan, with an average temperature ranging between min 26.8°C (80.2°F) and max 28.7°C (83.7°F).Temperature
As September takes its course, Jana's average high-temperature registers at a still warm 28.7°C (83.7°F), closely aligning with the preceding month. In Jana, a slight decrease from the daytime peak is noted during the month of September, with an average low-temperature of 26.8°C (80.2°F).Heat index
The heat index in September is appraised at a hot 34°C (93.2°F). Implement more preventive measures, heat cramps and heat exhaustion are probable. Heatstroke might result from extended activity.Heat index details are generally centered around shaded locations and a mild breeze. If directly exposed to the sun, the heat index could rise by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. This effect tends to be personal, with the weather perception differing among individuals due to variations in body mass, height, and exertion. Sunshine, when direct, has the potential to intensify weather effects, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. 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 is 79%.Rainfall
In Jana, in September, it is raining for 20.8 days, with typically 155mm (6.1") of accumulated precipitation. In Jana, during the entire year, the rain falls for 229.8 days and collects up to 1512mm (59.53") of precipitation.Daylight
In Jana, the average length of the day in September is 12h and 19min.On the first day of September, sunrise is at 06:07 and sunset at 18:48. On the last day of the month, sunrise is at 06:20 and sunset at 18:15 JST.
Sunshine
The average sunshine in September is 8.1h.UV index
June through September, with an average maximum UV index of 7, are months with the highest UV index in Jana. A UV Index value of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for average individuals.Note: In September, the average maximum UV index of 7 translates into the following recommendations:
Adopt measures and apply sun safety strategies. Shielding from skin and eye damage is necessary. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full sun protection. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Jana, Japan
- Average high temperature in September: 28.7°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 (18.6°C).
- Average low temperature in September: 26.8°C
The month with the highest average low temperature is August (27.8°C).
The coldest month (with the lowest average low temperature) is January (16.3°C).
Average pressure in September
Jana, Japan
- Average pressure in September: 1009.1mbar
The month with the highest atmospheric pressure is January (1021mbar).
The month with the lowest atmospheric pressure is August (1006.7mbar).
Average wind speed in September
Jana, Japan
- Average wind speed in September: 20.9km/h
The windiest month (with the highest average wind speed) is December (25.7km/h).
The calmest month (with the lowest average wind speed) is May (18.4km/h).
Average humidity in September
Jana, 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
Jana, Japan
- Average rainfall in September: 155mm
The wettest month (with the highest rainfall) is June (228mm).
The driest month (with the least rainfall) is January (63mm).
Average rainfall days in September
Jana, Japan
- Average rainfall days in September: 20.8 days
The month with the highest number of rainy days is June (22.6 days).
The month with the least rainy days is November (16.2 days).
Average daylight in September /
Average sunshine in September
Jana, 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 6min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in September
Jana, Japan
- Average sunshine days in September: 5.9 days
The month with the most sunshine days is May (11.1 days).
The month with the least sunshine days is June (5.4 days).
Average UV index in September
Jana, Japan
- Average UV index in September: 7
The months with the highest UV index are June, July, August and September (UV index 7).
The months with the lowest UV index are January and December (UV index 4).
Average cloud cover in September
Jana, Japan
- Average cloud cover in September: 41
The month with the most cloud cover is January (Cloud cover 63).
The months with the least cloud cover are July and August (Cloud cover 37).
Average visibility in September
Jana, 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).
