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 snowfall in September
- Average snowfall days 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
September weather is marked by a drop in the average high-temperature, falling from a moderately hot 29.3°C (84.7°F) in August to a still warm 24.1°C (75.4°F). Johana sees an average low-temperature of 16.6°C (61.9°F) during September.Humidity
In September, the average relative humidity is 81%.Rainfall
In Johana, in September, it is raining for 16.4 days, with typically 118mm (4.65") of accumulated precipitation. In Johana, during the entire year, the rain falls for 190.3 days and collects up to 1354mm (53.31") of precipitation.Snowfall
May through October are months without snowfall.Daylight
In September, the average length of the day in Johana is 12h and 25min.On the first day of September in Johana, sunrise is at 05:23 and sunset at 18:20. On the last day of the month, sunrise is at 05:46 and sunset at 17:37 JST.
Sunshine
In September, the average sunshine in Johana is 8.5h.UV index
The average daily maximum UV index in September in Johana is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: A maximum high daily UV index of 5 during September translates into the following directions:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Frequently asked questions
What are the temperatures in Johana in September?
What is the average humidity in September in Johana?
How many days does it rain in September in Johana?
When it does not snow in Johana?
How many hours of daylight does Johana have in September?
When are sunrise and sunset in September in Johana?
How many hours of sunshine does Johana have in September?
What is the UV index reading in September in Johana?
Average temperature in September
Johana, Japan
- Average high temperature in September: 24.1°C
The warmest month (with the highest average high temperature) is August (29.3°C).
The month with the lowest average high temperature is January (3°C).
- Average low temperature in September: 16.6°C
The month with the highest average low temperature is August (20.8°C).
The coldest month (with the lowest average low temperature) is January (-2.5°C).
Average pressure in September
Johana, Japan
- Average pressure in September: 1013.6mbar
The month with the highest atmospheric pressure is February (1019.5mbar).
The month with the lowest atmospheric pressure is June (1009.1mbar).
Average wind speed in September
Johana, Japan
- Average wind speed in September: 7.5km/h
The windiest month (with the highest average wind speed) is December (10.7km/h).
The calmest months (with the lowest average wind speed) are June and August (6.9km/h).
Average humidity in September
Johana, Japan
- Average humidity in September: 81%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is May (71%).
Average rainfall in September
Johana, Japan
- Average rainfall in September: 118mm
The wettest month (with the highest rainfall) is July (177mm).
The driest month (with the least rainfall) is May (77mm).
Average rainfall days in September
Johana, Japan
- Average rainfall days in September: 16.4 days
The month with the highest number of rainy days is July (20.7 days).
The month with the least rainy days is February (11.6 days).
Average snowfall in September
Johana, Japan
- Average snowfall in September: 0mm
The month with the highest snowfall is January (440mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Johana, Japan
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (15.4 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
Johana, Japan
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in September: 8h and 3min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).
Average sunshine days in September
Johana, Japan
- Average sunshine days in September: 11.4 days
The month with the most sunshine days is May (16.7 days).
The month with the least sunshine days is January (7.1 days).
Average UV index in September
Johana, Japan
- Average UV index in September: 5
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in September
Johana, Japan
- Average cloud cover in September: 38
The month with the most cloud cover is January (Cloud cover 67).
The month with the least cloud cover is May (Cloud cover 34).
Average visibility in September
Johana, Japan
- Average visibility in September: 9km
The months with the highest visibility are March, April, May, June, August, September, October, November and December (9km).
The months with the lowest visibility are January, February and July (8km).
Johana, Japan
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