Measurements:
°C
°F
Hainan
74°F
W 4 mph
Feels like: 80°F
Precip: 81%
World Resorts China Hainan Weather September Weather in Hainan

Hainan Weather: September

Average Day Temperature: 90.0°F
Average Night Temperature: 74.3°F
Sea Water Temperature: 88.9°F
Number of Sunny Days: 6 days
Sunshine Hours: 12.0 - 12.5 hours
Number of Rainy Days: 16 days
Precipitation Totals: 8.1 in

Air Temperature in September, °F

Select Year: 2023 2022 2021

The highest day temperature in September 2023 was 92°F. The lowest night temperature was 74°F. The average values for day and night temperatures during September were 88.1°F и 76.2°F respectivly.

Hainan Water Sea Temperature in September, °F

Select Year: 2023 2022 2021

The average sea surface temperature in September 2023 for Hainan was 89.5°F. The maximum and minimum values were 87.8°F and 91.2°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 8.1 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 3.4 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 6.2 hours.

Best Time to Visit Hainan
The most sunny months:
June 13 days
May 12 days
July 10 days
The most warm months:
June 94.6 °F
May 93.8 °F
July 93.7 °F
Warmest sea temperature:
July 90.7 °F
June 90.4 °F
August 90.3 °F
The most cold months:
December 71.5 °F
January 72.1 °F
February 77.2 °F
The most rainy months:
August 16 days
September 16 days
July 15 days
The most windy months:
March 4 mph
April 4 mph
October 4 mph

Hainan on the Weather Map

China Resorts:
NAME
Beidaihe +52
Beijing +58
Dadunhai +84
Dalian +40
Guangzhou +74
Hainan +74
Hangzhou +66
Hong Kong +70
Macau +72
Quingdao +50
Sanya +84
Shanghai +64
Shenzhen +70
Weihai +38
Yalong Bay +84
24 Hours Weather Forecast
Hainan
Local time: 13:37
19 mar, tuesday
1500 74°F
W
4 mph
1800 74°F
W
4 mph
2100 70°F
SW
7 mph
20 mar, wednesday
0000 68°F
SW
5 mph
0300 68°F
W
6 mph
0600 66°F
W
5 mph
0900 68°F
W
6 mph
1200 74°F
W
7 mph