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 sea temperature 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 September, the average high-temperature marginally drops from 27.7°C (81.9°F) in August to a still moderately hot 24°C (75.2°F). Matsushima reports an average low-temperature of 18.3°C (64.9°F) during the nights of September.Humidity
The average relative humidity in September is 79%.Rainfall
In September, in Matsushima, the rain falls for 12.5 days. Throughout September, 74mm (2.91") of precipitation is accumulated. In Matsushima, Japan, during the entire year, the rain falls for 133.1 days and collects up to 706mm (27.8") of precipitation.Snowfall
In Matsushima, snow does not fall in May through November.Sea temperature
In Matsushima, the average seawater temperature in September is 22.3°C (72.1°F).Note: For those not fond of cold temperatures, taking a swim at 22.3°C (72.1°F) may require consideration of the sunshine, wind, and ambient temperature. While wetsuits are not mandatory, they can enhance the experience.
Daylight
In September, the average length of the day in Matsushima is 12h and 27min.On the first day of September, sunrise is at 05:05 and sunset at 18:06. On the last day of the month, sunrise is at 05:30 and sunset at 17:20 JST.
Sunshine
In September, the average sunshine is 7.6h.UV index
In Matsushima, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: In September, the average maximum UV index of 5 translates into the following recommendations:
Guard yourself - Precautionary measures against sun damage are advocated. Avoiding the Sun during its peak radiation time around midday is a healthy practice. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Beware! The strength of the UV rays is significantly increased by the reflection of the water and sand.
Frequently asked questions
What is the usual temperature for Matsushima in September?
What is the average humidity in September in Matsushima?
How many days does it rain in September in Matsushima?
When it does not snow in Matsushima?
What is the water temperature in September in Matsushima?
How many hours of daylight does Matsushima have in September?
When are sunrise and sunset in September in Matsushima?
How long on average sun shines in September in Matsushima?
What is the UV index intensity in September in Matsushima?
Average temperature in September
Matsushima, Japan
- Average high temperature in September: 24°C
The warmest month (with the highest average high temperature) is August (27.7°C).
The month with the lowest average high temperature is January (3.8°C).
- Average low temperature in September: 18.3°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°C).
Average pressure in September
Matsushima, Japan
- Average pressure in September: 1014mbar
The month with the highest atmospheric pressure is November (1018.6mbar).
The month with the lowest atmospheric pressure is June (1009.3mbar).
Average wind speed in September
Matsushima, Japan
- Average wind speed in September: 10.6km/h
The windiest month (with the highest average wind speed) is January (15.4km/h).
The calmest month (with the lowest average wind speed) is July (9km/h).
Average humidity in September
Matsushima, Japan
- Average humidity in September: 79%
The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is April (70%).
Average rainfall in September
Matsushima, Japan
- Average rainfall in September: 74mm
The wettest month (with the highest rainfall) is October (105mm).
The driest month (with the least rainfall) is February (23mm).
Average rainfall days in September
Matsushima, Japan
- Average rainfall days in September: 12.5 days
The month with the highest number of rainy days is July (16.1 days).
The month with the least rainy days is February (7.3 days).
Average snowfall in September
Matsushima, Japan
- Average snowfall in September: 0mm
The month with the highest snowfall is January (62mm).
The months with the least snowfall are May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Matsushima, Japan
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (7.8 days).
The months with the least snowfall days are May, June, July, August, September, October and November (0 days).
Average sea temperature in September
Matsushima, Japan
- Average sea temperature in September: 22.3°C
The best month for swimming (with the highest average sea temperature) is August (23.6°C).
The coldest month (with the lowest average sea temperature) is March (6.9°C).
Average daylight in September /
Average sunshine in September
Matsushima, Japan
- Average daylight in September: 12h and 2min
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 30min).
- Average sunshine in September: 7h and 4min
The month with the most sunshine is May (Average sunshine: 9h and 30min).
The months with the least sunshine are January and February (Average sunshine: 5h and 12min).
Average sunshine days in September
Matsushima, Japan
- Average sunshine days in September: 15.8 days
The month with the most sunshine days is May (21.3 days).
The month with the least sunshine days is July (13.4 days).
Average UV index in September
Matsushima, 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
Matsushima, Japan
- Average cloud cover in September: 39
The month with the most cloud cover is July (Cloud cover 48).
The months with the least cloud cover are May and November (Cloud cover 36).
Average visibility in September
Matsushima, Japan
- Average visibility in September: 9km
The months with the highest visibility are February, March, April, October, November and December (10km).
The months with the lowest visibility are January, May, June, July, August and September (9km).
Matsushima, Japan
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