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
Transitioning from August to September involves a subtle drop in average high-temperatures, descending from a moderately hot 23°C (73.4°F) to an enjoyable 19.5°C (67.1°F). The average nighttime temperature lowers to a still refreshing 13.2°C (55.8°F) throughout September.Humidity
The average relative humidity in September in Momonai is 83%.Rainfall
In Momonai, in September, it is raining for 18.3 days, with typically 86mm (3.39") of accumulated precipitation. In Momonai, during the entire year, the rain falls for 151.8 days and collects up to 851mm (33.5") of precipitation.Snowfall
June through September are months without snowfall in Momonai.Daylight
In September, the average length of the day in Momonai is 12h and 31min.On the first day of the month, sunrise is at 05:00 and sunset at 18:11. On the last day of September, in Momonai, sunrise is at 05:32 and sunset at 17:19 JST.
Sunshine
In Momonai, the average sunshine in September is 7.7h.UV index
In Momonai, Japan, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.Note: In September, the maximum UV index of 4 translates into these guidelines:
Undertake protective steps - Recommendations to avoid sunburn are issued. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Frequently asked questions
What is the temperature in September in Momonai?
What is the average humidity in September in Momonai?
How many days does it rain in September in Momonai?
When it does not snow in Momonai?
Does it snow in Momonai in September?
What is the average length of the day in September in Momonai?
When are sunrise and sunset in September in Momonai?
How many hours of sunshine does Momonai have in September?
What is the UV index reading in September in Momonai?
Average temperature in September
Momonai, Japan
- Average high temperature in September: 19.5°C
The warmest month (with the highest average high temperature) is August (23°C).
The month with the lowest average high temperature is January (-3.3°C).
- Average low temperature in September: 13.2°C
The month with the highest average low temperature is August (16.8°C).
The coldest month (with the lowest average low temperature) is February (-8.2°C).
Average pressure in September
Momonai, Japan
- Average pressure in September: 1013.4mbar
The month with the highest atmospheric pressure is November (1016.1mbar).
The month with the lowest atmospheric pressure is July (1008.5mbar).
Average wind speed in September
Momonai, Japan
- Average wind speed in September: 11.9km/h
The windiest month (with the highest average wind speed) is December (19km/h).
The calmest month (with the lowest average wind speed) is July (9.2km/h).
Average humidity in September
Momonai, Japan
- Average humidity in September: 83%
The month with the highest relative humidity is July (88%).
The months with the lowest relative humidity are April and October (79%).
Average rainfall in September
Momonai, Japan
- Average rainfall in September: 86mm
The wettest month (with the highest rainfall) is August (119mm).
The driest month (with the least rainfall) is April (43mm).
Average rainfall days in September
Momonai, Japan
- Average rainfall days in September: 18.3 days
The month with the highest number of rainy days is July (20.2 days).
The month with the least rainy days is February (2.5 days).
Average snowfall in September
Momonai, Japan
- Average snowfall in September: 0mm
The month with the highest snowfall is January (369mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Momonai, Japan
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (26 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Momonai, Japan
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in September: 7h and 4min
The months with the most sunshine are May and August (Average sunshine: 8h and 24min).
The month with the least sunshine is January (Average sunshine: 1h and 12min).
Average sunshine days in September
Momonai, Japan
- Average sunshine days in September: 9.2 days
The month with the most sunshine days is May (14.8 days).
The month with the least sunshine days is January (3.1 days).
Average UV index in September
Momonai, Japan
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 1).
Average cloud cover in September
Momonai, Japan
- Average cloud cover in September: 42
The month with the most cloud cover is January (Cloud cover 89).
The month with the least cloud cover is September (Cloud cover 42).
Average visibility in September
Momonai, Japan
- Average visibility in September: 9km
The month with the highest visibility is October (10km).
The month with the lowest visibility is January (7km).
Momonai, Japan
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