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
Longkou's September weather shows a modest shift in high-temperatures, falling from August's 27.5°C (81.5°F) to a still warm 24.1°C (75.4°F). In Longkou, September is marked by an average low-temperature of 18.5°C (65.3°F).Humidity
In September, the average relative humidity is 69%.Rainfall
In Longkou, during September, the rain falls for 7.5 days and regularly aggregates up to 17mm (0.67") of precipitation. In Longkou, during the entire year, the rain falls for 93.5 days and collects up to 326mm (12.83") of precipitation.Snowfall
In Longkou, snow does not fall in May through October.Sea temperature
In September, the average sea temperature is 22.9°C (73.2°F).Note: Imagine a swim in 22.9°C (73.2°F) waters. How you'd feel depends on your cold sensitivity, the sun's rays, the caress of the wind, and the warmth enveloping you. Comparatively, Olympic swimmers train in waters between 25°C (77°F) and 28°C (82.4°F).
Daylight
In Longkou, the average length of the day in September is 12h and 26min.On the first day of the month, sunrise is at 05:28 and sunset at 18:27. On the last day of September, in Longkou, sunrise is at 05:52 and sunset at 17:43 CST.
Sunshine
The average sunshine in September in Longkou is 10.1h.UV index
In September, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: The daily high UV index of 5 in September translates into this advice:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. 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. Stay alert! Reflective properties of sand and water amplify the Sun's UV radiation.
Frequently asked questions
What are September temperatures in Longkou?
What is the average humidity in September in Longkou?
How much does it rain in Longkou in September?
When it does not snow in Longkou?
How warm is the water in September in Longkou?
How many hours of daylight does Longkou have in September?
When is the sunrise / sunset in September in Longkou?
How long on average sun shines in September in Longkou?
How high is the UV index in September in Longkou?
Average temperature in September
Longkou, China
- Average high temperature in September: 24.1°C
The warmest month (with the highest average high temperature) is July (27.9°C).
The month with the lowest average high temperature is January (1.3°C).
- Average low temperature in September: 18.5°C
The month with the highest average low temperature is August (22.8°C).
The coldest month (with the lowest average low temperature) is January (-2.9°C).
Average pressure in September
Longkou, China
- Average pressure in September: 1014.8mbar
The month with the highest atmospheric pressure is January (1028.4mbar).
The month with the lowest atmospheric pressure is July (1005.1mbar).
Average wind speed in September
Longkou, China
- Average wind speed in September: 13km/h
The windiest month (with the highest average wind speed) is December (19.7km/h).
The calmest months (with the lowest average wind speed) are July and August (12km/h).
Average humidity in September
Longkou, China
- Average humidity in September: 69%
The month with the highest relative humidity is August (79%).
The month with the lowest relative humidity is March (56%).
Average rainfall in September
Longkou, China
- Average rainfall in September: 17mm
The wettest month (with the highest rainfall) is July (88mm).
The driest month (with the least rainfall) is March (5mm).
Average rainfall days in September
Longkou, China
- Average rainfall days in September: 7.5 days
The month with the highest number of rainy days is August (16 days).
The month with the least rainy days is February (2.6 days).
Average snowfall in September
Longkou, China
- Average snowfall in September: 0mm
The month with the highest snowfall is December (19mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Longkou, China
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is December (7.1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in September
Longkou, China
- Average sea temperature in September: 22.9°C
The best month for swimming (with the highest average sea temperature) is August (25.3°C).
The coldest month (with the lowest average sea temperature) is February (1.4°C).
Average daylight in September /
Average sunshine in September
Longkou, China
- 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: 10h and 1min
The month with the most sunshine is June (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 54min).
Average sunshine days in September
Longkou, China
- Average sunshine days in September: 19.9 days
The month with the most sunshine days is March (25.3 days).
The month with the least sunshine days is August (12.3 days).
Average UV index in September
Longkou, China
- Average UV index in September: 5
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Longkou, China
- Average cloud cover in September: 25
The month with the most cloud cover is December (Cloud cover 35).
The months with the least cloud cover are May, June and October (Cloud cover 23).
Average visibility in September
Longkou, China
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October and November (10km).
The month with the lowest visibility is December (9km).
Longkou, China
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