September weather forecastHaiyang, China
September
Weather in September
September, the first month of the autumn in Haiyang, is also a moderately hot month, with an average temperature varying between 17.5°C (63.5°F) and 24.6°C (76.3°F).Temperature
The commencement of September includes a gentle temperature shift, with the average high-temperature dropping a bit from a warm 28.3°C (82.9°F) in August to a still moderately hot 24.6°C (76.3°F). September sees the temperature falling to a mean low of 17.5°C (63.5°F).Humidity
In September, the average relative humidity in Haiyang is 71%.Rainfall
In Haiyang, in September, during 8.2 rainfall days, 24mm (0.94") of precipitation is typically accumulated. Throughout the year, in Haiyang, there are 99.1 rainfall days, and 422mm (16.61") of precipitation is accumulated.Snowfall
May through October are months without snowfall in Haiyang.Daylight
In September, the average length of the day in Haiyang is 12h and 25min.On the first day of September in Haiyang, sunrise is at 05:26 and sunset at 18:24. On the last day of the month, sunrise is at 05:49 and sunset at 17:40 CST.
Sunshine
In Haiyang, the average sunshine in September is 9.8h.UV index
In September, the average daily maximum UV index in Haiyang is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: In September, the maximum UV index of 5 suggests these recommendations:
Guard yourself - Precautionary measures against sun damage are advocated. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Haiyang, China
- Average high temperature in September: 24.6°C
The warmest month (with the highest average high temperature) is August (28.3°C).
The month with the lowest average high temperature is January (2.4°C).
- Average low temperature in September: 17.5°C
The month with the highest average low temperature is July (22.1°C).
The coldest month (with the lowest average low temperature) is January (-3.4°C).
Average pressure in September
Haiyang, China
- Average pressure in September: 1014.7mbar
The month with the highest atmospheric pressure is January (1028mbar).
The month with the lowest atmospheric pressure is July (1005.4mbar).
Average wind speed in September
Haiyang, China
- Average wind speed in September: 10.4km/h
The windiest month (with the highest average wind speed) is December (15.7km/h).
The calmest month (with the lowest average wind speed) is September (10.4km/h).
Average humidity in September
Haiyang, China
- Average humidity in September: 71%
The month with the highest relative humidity is August (81%).
The month with the lowest relative humidity is March (56%).
Average rainfall in September
Haiyang, China
- Average rainfall in September: 24mm
The wettest month (with the highest rainfall) is July (117mm).
The driest month (with the least rainfall) is January (7mm).
Average rainfall days in September
Haiyang, China
- Average rainfall days in September: 8.2 days
The month with the highest number of rainy days is August (18.5 days).
The month with the least rainy days is February (3.4 days).
Average snowfall in September
Haiyang, China
- Average snowfall in September: 0mm
The month with the highest snowfall is February (25mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Haiyang, China
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is December (3.1 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
Haiyang, China
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in September: 9h and 48min
The months with the most sunshine are April, May and June (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 6h and 6min).
Average sunshine days in September
Haiyang, China
- Average sunshine days in September: 20.1 days
The month with the most sunshine days is January (26.6 days).
The month with the least sunshine days is August (10.1 days).
Average UV index in September
Haiyang, 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
Haiyang, China
- Average cloud cover in September: 26
The month with the most cloud cover is July (Cloud cover 38).
The month with the least cloud cover is October (Cloud cover 21).
Average visibility in September
Haiyang, China
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (10km).
The months with the lowest visibility are July and August (9km).





