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
September
Weather in September
Temperature
September ushers in a minute temperature change, with average high-temperatures reducing from August's warm 25.7°C (78.3°F) to a pleasant 22.1°C (71.8°F). During the nights in September, Shichinohe experiences a consistent average temperature of 15.3°C (59.5°F).Humidity
In Shichinohe, the average relative humidity in September is 82%.Rainfall
In Shichinohe, Japan, during September, the rain falls for 15.3 days and regularly aggregates up to 74mm (2.91") of precipitation. Throughout the year, there are 148.8 rainfall days, and 623mm (24.53") of precipitation is accumulated.Snowfall
May through October are months without snowfall.Daylight
In September, the average length of the day is 12h and 29min.On the first day of the month, sunrise is at 05:02 and sunset at 18:08. On the last day of September, sunrise is at 05:31 and sunset at 17:19 JST.
Sunshine
In Shichinohe, the average sunshine in September is 7.5h.UV index
The average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: In September, a daily UV index of 4 turns into the following recommendations:
Take precautions - Protection against sun damage is advised. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in Shichinohe?
What is the average humidity in September?
How many days does it rain in September?
When it does not snow?
What is the average length of the day in September in Shichinohe?
When is the sunrise / sunset in September?
How many hours of sunshine does Shichinohe have in September?
How high is the UV index in September?
Average temperature in September
Shichinohe, Japan
- Average high temperature in September: 22.1°C
The warmest month (with the highest average high temperature) is August (25.7°C).
The month with the lowest average high temperature is January (-0.3°C).
- Average low temperature in September: 15.3°C
The month with the highest average low temperature is August (19°C).
The coldest month (with the lowest average low temperature) is February (-5.1°C).
Average pressure in September
Shichinohe, Japan
- Average pressure in September: 1013.8mbar
The month with the highest atmospheric pressure is November (1017.4mbar).
The month with the lowest atmospheric pressure is July (1009.1mbar).
Average wind speed in September
Shichinohe, Japan
- Average wind speed in September: 10.3km/h
The windiest month (with the highest average wind speed) is December (17km/h).
The calmest month (with the lowest average wind speed) is July (8.6km/h).
Average humidity in September
Shichinohe, Japan
- Average humidity in September: 82%
The month with the highest relative humidity is July (86%).
The month with the lowest relative humidity is April (74%).
Average rainfall in September
Shichinohe, Japan
- Average rainfall in September: 74mm
The wettest month (with the highest rainfall) is July (94mm).
The driest month (with the least rainfall) is November (29mm).
Average rainfall days in September
Shichinohe, Japan
- Average rainfall days in September: 15.3 days
The month with the highest number of rainy days is July (18.8 days).
The month with the least rainy days is February (7.3 days).
Average snowfall in September
Shichinohe, Japan
- Average snowfall in September: 0mm
The month with the highest snowfall is January (237mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Shichinohe, Japan
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (23 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Shichinohe, Japan
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in September: 7h and 3min
The month with the most sunshine is May (Average sunshine: 9h and 12min).
The months with the least sunshine are January and February (Average sunshine: 3h and 12min).
Average sunshine days in September
Shichinohe, Japan
- Average sunshine days in September: 12.1 days
The month with the most sunshine days is May (18.1 days).
The month with the least sunshine days is January (6.4 days).
Average UV index in September
Shichinohe, Japan
- Average UV index in September: 4
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in September
Shichinohe, Japan
- Average cloud cover in September: 42
The month with the most cloud cover is January (Cloud cover 67).
The months with the least cloud cover are May and October (Cloud cover 38).
Average visibility in September
Shichinohe, Japan
- Average visibility in September: 9km
The month with the highest visibility is October (10km).
The months with the lowest visibility are January, July and August (8km).
