September weather forecastMonden, Japan
September
Weather in September
The first month of the autumn, September, is still a pleasant month in Monden, Japan, with an average temperature fluctuating between 22.8°C (73°F) and 14.3°C (57.7°F).Temperature
September brings a slight decrease in temperature, down from a warm 27.6°C (81.7°F) in August to an agreeable 22.8°C (73°F). September witnesses an average nighttime temperature of 14.3°C (57.7°F).Humidity
The average relative humidity in September is 86%.Rainfall
In Monden, Japan, during September, the rain falls for 17.6 days and regularly aggregates up to 75mm (2.95") of precipitation. In Monden, during the entire year, the rain falls for 199.1 days and collects up to 849mm (33.43") of precipitation.Snowfall
May through October are months without snowfall.Daylight
In Monden, the average length of the day in September is 12h and 27min.On the first day of the month, sunrise is at 05:08 and sunset at 18:09. On the last day of September, in Monden, sunrise is at 05:33 and sunset at 17:23 JST.
Sunshine
In September, the average sunshine is 6.7h.UV index
The average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 4 during September translates into the following directions:
Take precautions - Protection against skin and eye damage is obliged. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Monden, Japan
- Average high temperature in September: 22.8°C
The warmest month (with the highest average high temperature) is August (27.6°C).
The month with the lowest average high temperature is January (0°C).
- Average low temperature in September: 14.3°C
The month with the highest average low temperature is August (18.6°C).
The coldest month (with the lowest average low temperature) is February (-5.6°C).
Average pressure in September
Monden, Japan
- Average pressure in September: 1014mbar
The month with the highest atmospheric pressure is November (1018.8mbar).
The month with the lowest atmospheric pressure is June (1009.2mbar).
Average wind speed in September
Monden, Japan
- Average wind speed in September: 7km/h
The windiest months (with the highest average wind speed) are January and February (11.8km/h).
The calmest months (with the lowest average wind speed) are July and August (6.3km/h).
Average humidity in September
Monden, Japan
- Average humidity in September: 86%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is May (75%).
Average rainfall in September
Monden, Japan
- Average rainfall in September: 75mm
The wettest month (with the highest rainfall) is July (128mm).
The driest month (with the least rainfall) is November (45mm).
Average rainfall days in September
Monden, Japan
- Average rainfall days in September: 17.6 days
The month with the highest number of rainy days is July (22.5 days).
The month with the least rainy days is February (11.6 days).
Average snowfall in September
Monden, Japan
- Average snowfall in September: 0mm
The month with the highest snowfall is January (489mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Monden, Japan
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (26.1 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
Monden, Japan
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in September: 6h and 42min
The month with the most sunshine is May (Average sunshine: 9h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).
Average sunshine days in September
Monden, Japan
- Average sunshine days in September: 9.4 days
The month with the most sunshine days is May (14.2 days).
The month with the least sunshine days is January (1.8 days).
Average UV index in September
Monden, Japan
- Average UV index in September: 4
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in September
Monden, Japan
- Average cloud cover in September: 55
The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is May (Cloud cover 42).
Average visibility in September
Monden, Japan
- Average visibility in September: 7km
The months with the highest visibility are March, April, May and November (8km).
The months with the lowest visibility are January and February (6km).
