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
In the transition to September, Marumori observes a minor drop in the average high-temperature, shifting from a warm 27.6°C (81.7°F) in August to a still moderately hot 23.7°C (74.7°F). Marumori's temperature drops to an average low of 17.7°C (63.9°F) during the nights of September.Humidity
The average relative humidity in September is 81%.Rainfall
In Marumori, in September, it is raining for 15.8 days, with typically 111mm (4.37") of accumulated precipitation. In Marumori, Japan, during the entire year, the rain falls for 165.4 days and collects up to 854mm (33.62") of precipitation.Snowfall
In Marumori, snow does not fall in May through November.Daylight
The average length of the day in September is 12h and 26min.On the first day of September in Marumori, Japan, sunrise is at 05:06 and sunset at 18:06. On the last day of the month, sunrise is at 05:31 and sunset at 17:21 JST.
Sunshine
In Marumori, the average sunshine in September is 7.2h.UV index
In Marumori, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for average individuals.Note: The daily high UV index of 5 in September translates into this advice:
Take precautions - Protection against skin and eye damage is obliged. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
Frequently asked questions
What are September temperatures in Marumori?
What is the average humidity in September in Marumori?
How much does it rain in Marumori in September?
When it does not snow in Marumori?
What is the average length of the day in September in Marumori?
When is the sunrise / sunset in September in Marumori?
How many hours of sunshine does Marumori have in September?
How high is the UV index in September in Marumori?
Average temperature in September
Marumori, Japan
- Average high temperature in September: 23.7°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 (3.2°C).
- Average low temperature in September: 17.7°C
The month with the highest average low temperature is August (21.2°C).
The coldest month (with the lowest average low temperature) is February (-2.2°C).
Average pressure in September
Marumori, Japan
- Average pressure in September: 1014mbar
The month with the highest atmospheric pressure is November (1018.7mbar).
The month with the lowest atmospheric pressure is June (1009.3mbar).
Average wind speed in September
Marumori, Japan
- Average wind speed in September: 9.6km/h
The windiest month (with the highest average wind speed) is January (14.9km/h).
The calmest month (with the lowest average wind speed) is July (7.9km/h).
Average humidity in September
Marumori, Japan
- Average humidity in September: 81%
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is April (72%).
Average rainfall in September
Marumori, Japan
- Average rainfall in September: 111mm
The wettest month (with the highest rainfall) is July (137mm).
The driest month (with the least rainfall) is February (28mm).
Average rainfall days in September
Marumori, Japan
- Average rainfall days in September: 15.8 days
The month with the highest number of rainy days is July (22.3 days).
The month with the least rainy days is February (8.9 days).
Average snowfall in September
Marumori, Japan
- Average snowfall in September: 0mm
The month with the highest snowfall is January (129mm).
The months with the least snowfall are May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Marumori, Japan
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (13.3 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
Marumori, Japan
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in September: 7h and 1min
The month with the most sunshine is May (Average sunshine: 9h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 48min).
Average sunshine days in September
Marumori, Japan
- Average sunshine days in September: 11.8 days
The month with the most sunshine days is May (17.8 days).
The month with the least sunshine days is July (7 days).
Average UV index in September
Marumori, Japan
- Average UV index in September: 5
The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January, February, March and December (UV index 2).
Average cloud cover in September
Marumori, Japan
- Average cloud cover in September: 45
The month with the most cloud cover is July (Cloud cover 50).
The month with the least cloud cover is May (Cloud cover 37).
Average visibility in September
Marumori, Japan
- Average visibility in September: 9km
The months with the highest visibility are October and November (10km).
The month with the lowest visibility is July (8km).
Marumori, Japan
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