September weather forecastKatagami, Japan
September
Weather in September
September, the first month of the autumn in Katagami, is also a moderately hot month, with an average temperature fluctuating between 23°C (73.4°F) and 17.9°C (64.2°F).Temperature
With September's onset, the weather reveals a slight temperature decrease, transitioning from a moderately hot 26.7°C (80.1°F) in August to a still warm 23°C (73.4°F). Throughout September, Katagami's nights cool down to an average of 17.9°C (64.2°F).Humidity
In September, the average relative humidity in Katagami, Japan, is 77%.Rainfall
In September, the rain falls for 17.3 days. Throughout September, 82mm (3.23") of precipitation is accumulated. In Katagami, during the entire year, the rain falls for 189.8 days and collects up to 1156mm (45.51") of precipitation.Snowfall
In Katagami, snow does not fall in May through October.Daylight
In Katagami, the average length of the day in September is 12h and 28min.On the first day of September, sunrise is at 05:08 and sunset at 18:11. On the last day of the month, sunrise is at 05:35 and sunset at 17:24 JST.
Sunshine
In Katagami, Japan, the average sunshine in September is 8.2h.UV index
The average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 5 in September converts into the following recommendations:
Take precautions - Protection against sunburn is recommended. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Katagami, Japan
- Average high temperature in September: 23°C
The warmest month (with the highest average high temperature) is August (26.7°C).
The month with the lowest average high temperature is January (1.8°C).
- Average low temperature in September: 17.9°C
The month with the highest average low temperature is August (21.7°C).
The coldest month (with the lowest average low temperature) is February (-1.8°C).
Average pressure in September
Katagami, Japan
- Average pressure in September: 1013.7mbar
The month with the highest atmospheric pressure is November (1018.2mbar).
The month with the lowest atmospheric pressure is July (1008.8mbar).
Average wind speed in September
Katagami, Japan
- Average wind speed in September: 13.1km/h
The windiest month (with the highest average wind speed) is December (23.5km/h).
The calmest month (with the lowest average wind speed) is July (11.2km/h).
Average humidity in September
Katagami, Japan
- Average humidity in September: 77%
The month with the highest relative humidity is July (85%).
The months with the lowest relative humidity are April and October (74%).
Average rainfall in September
Katagami, Japan
- Average rainfall in September: 82mm
The wettest month (with the highest rainfall) is December (137mm).
The driest month (with the least rainfall) is May (56mm).
Average rainfall days in September
Katagami, Japan
- Average rainfall days in September: 17.3 days
The month with the highest number of rainy days is November (21.6 days).
The month with the least rainy days is January (8.4 days).
Average snowfall in September
Katagami, Japan
- Average snowfall in September: 0mm
The month with the highest snowfall is January (259mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Katagami, Japan
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (20.9 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Katagami, Japan
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in September: 8h and 12min
The month with the most sunshine is August (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 1h and 24min).
Average sunshine days in September
Katagami, Japan
- Average sunshine days in September: 9.8 days
The month with the most sunshine days is May (14.4 days).
The month with the least sunshine days is January (1.4 days).
Average UV index in September
Katagami, Japan
- Average UV index in September: 5
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in September
Katagami, Japan
- Average cloud cover in September: 37
The month with the most cloud cover is January (Cloud cover 86).
The month with the least cloud cover is September (Cloud cover 37).
Average visibility in September
Katagami, Japan
- Average visibility in September: 10km
The months with the highest visibility are September and October (10km).
The month with the lowest visibility is January (7km).
