S 4 mph
Feels like: 66°F
Precip: 79%
World Resorts China Hainan September Weather

Hainan Weather: September

Average Day Temperature: 90.6°F
Average Night Temperature: 74.1°F
Sea Water Temperature: 88.5°F
Number of Sunny Days: 6 days
Sunshine Hours: 12.0 - 12.5 hours
Number of Rainy Days: 19 days
Precipitation Totals: 9.5 in

Air Temperature in September, °F

Select Year: 2018 2017 2016

The highest day temperature in September 2018 was 96°F. The lowest night temperature was 71°F. The average values for day and night temperatures during September were 89.5°F и 75.5°F respectivly.

Hainan Water Sea Temperature in September, °F

Select Year: 2018 2017 2016

The average sea surface temperature in September 2018 for Hainan was 88.1°F. The maximum and minimum values were 87.0°F and 89.8°F respectively.

Sunny, Cloudy and Gloomy days

Most of the days in September are cloudy but you can also expect sunny or gloomy days.

Precipitation Totals in September, in

Precipitation total in September for Hainan is 9.5 in. It makes september one of the most rainy months of the year.

Wind Speed in September, mph

The average wind speed in September is 3.5 mph. This value is relatively stable throughout the year.

Average Sunny Hours Per Day

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Hainan in September is 6.4 hours.

Best Time to Visit Hainan
The most sunny months:
June 14 days
May 13 days
July 11 days
The most warm months:
June 93.7 °F
May 93.4 °F
August 93.3 °F
Warmest sea temperature:
June 89.9 °F
July 89.9 °F
August 89.7 °F
The most cold months:
January 71.2 °F
December 71.6 °F
February 75.7 °F
The most rainy months:
July 20 days
August 19 days
May 19 days
The most windy months:
March 4 mph
April 4 mph
October 4 mph

Hainan on the Weather Map

China Resorts:
Beijing +48
Dalian +40
Guangzhou +74
Hainan +66
Hangzhou +56
Hong Kong +68
Nantong +52
Ningbo +52
Qinhuangdao +38
Quingdao +48
Shanghai +52
Suzhou +50
Tianjin +42
Xiamen +78
Yantai +42
24 Hours Weather Forecast
Local time: 17:56
16 dec, sunday
1800 66°F
3 mph
2100 62°F
2 mph
17 dec, monday
0000 60°F
2 mph
0300 60°F
2 mph
0600 60°F
2 mph
0900 64°F
2 mph
1200 70°F
4 mph
1500 72°F
4 mph