September Cloud Cover by Country

This page compares the average September cloud cover in all 196 sovereign countries of the world and Greenland between 1991–2020. It is based on data from the Climate Research Unit of the University of East Anglia. Click here for notes.
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Country Cloud Cover (%)
Afghanistan 18.1
Albania 37.0
Algeria 24.7
Andorra 55.2
Angola 39.2
Antigua and Barbuda 43.3
Argentina 39.9
Armenia 26.9
Australia 20.9
Austria 58.8
Azerbaijan 48.1
Bahamas 53.1
Bahrain 16.4
Bangladesh 77.3
Barbados 48.3
Belarus 60.9
Belgium 67.0
Belize 57.1
Benin 62.0
Bhutan 61.6
Bolivia 41.9
Bosnia and Herzegovina 45.7
Botswana 14.9
Brazil 51.2
Brunei 58.9
Bulgaria 36.0
Burkina Faso 45.5
Burundi 51.6
Cambodia 65.5
Cameroon 70.3
Canada 73.9
Cape Verde 66.6
Central African Republic 53.6
Chad 28.2
Chile 45.7
China 46.8
Colombia 68.4
Comoros 26.2
Costa Rica 64.1
Croatia 45.4
Cuba 47.4
Cyprus 16.2
Czech Republic 60.1
Democratic Republic of the Congo 52.7
Denmark 71.2
Djibouti 27.2
Dominica 46.2
Dominican Republic 46.3
East Timor 23.8
Ecuador 79.3
Egypt 12.2
El Salvador 57.6
Equatorial Guinea 82.4
Eritrea 33.6
Estonia 75.0
Eswatini 35.3
Ethiopia 38.7
Federated States of Micronesia 65.6
Fiji 60.4
Finland 80.1
France 55.6
Gabon 82.3
Gambia 46.6
Georgia 40.4
Germany 65.6
Ghana 67.8
Greece 19.0
Greenland 80.0
Grenada 42.6
Guatemala 59.7
Guinea 61.3
Guinea-Bissau 59.9
Guyana 31.7
Haiti 50.6
Honduras 54.6
Hungary 45.1
Iceland 80.6
India 59.0
Indonesia 51.2
Iran 20.7
Iraq 4.1
Ireland 79.8
Israel 17.6
Italy 43.6
Ivory Coast 70.4
Jamaica 47.9
Japan 69.3
Jordan 5.8
Kazakhstan 33.0
Kenya 34.7
Kiribati 63.7
Kosovo 45.1
Kuwait 16.9
Kyrgyzstan 29.0
Laos 65.1
Latvia 68.6
Lebanon 18.2
Lesotho 23.0
Liberia 76.7
Libya 16.3
Liechtenstein 55.8
Lithuania 66.3
Luxembourg 66.0
Madagascar 27.9
Malawi 19.0
Malaysia 62.9
Maldives 71.1
Mali 37.6
Malta 44.0
Marshall Islands 59.7
Mauritania 32.0
Mauritius 58.3
Mexico 51.4
Moldova 35.5
Monaco 49.3
Mongolia 31.4
Montenegro 42.0
Morocco 32.4
Mozambique 26.2
Myanmar 69.1
Namibia 19.9
Nauru 65.6
Nepal 67.7
Netherlands 71.8
New Zealand 69.5
Nicaragua 57.6
Niger 25.6
Nigeria 57.2
North Korea 50.9
North Macedonia 35.9
Norway 78.5
Oman 32.0
Pakistan 26.6
Palau 62.4
Panama 65.9
Papua New Guinea 59.3
Paraguay 44.5
Peru 54.3
Philippines 57.6
Poland 63.4
Portugal 33.6
Qatar 17.7
Republic of the Congo 71.5
Romania 41.8
Russia 71.2
Rwanda 60.6
Saint Kitts and Nevis 40.7
Saint Lucia 57.6
Saint Vincent and the Grenadines 42.3
Samoa 66.3
San Marino 43.2
Saudi Arabia 15.0
Senegal 44.3
Serbia 42.9
Seychelles 49.7
Sierra Leone 75.0
Singapore 64.6
Slovakia 52.1
Slovenia 53.3
Solomon Islands 60.1
Somalia 32.6
South Africa 21.4
South Korea 54.8
South Sudan 45.8
Spain 40.6
Sri Lanka 57.2
Sudan 29.9
Suriname 26.3
Sweden 75.3
Switzerland 58.2
Syria 11.6
São Tomé and Príncipe 89.9
Taiwan n/a
Tajikistan 28.9
Tanzania 32.7
Thailand 63.6
Togo 70.1
Tonga 66.2
Trinidad and Tobago 47.5
Tunisia 32.3
Turkey 16.9
Turkmenistan 19.8
Tuvalu 65.0
Uganda 43.2
Ukraine 45.1
United Arab Emirates 19.2
United Kingdom 76.9
United States 42.2
Uruguay 55.0
Uzbekistan 18.5
Vanuatu 50.3
Vatican City n/a
Venezuela 50.4
Vietnam 62.9
Yemen 36.8
Zambia 20.7
Zimbabwe 17.6
Notes:
  • Countries do not include their overseas territories. For example, Puerto Rico is not included in the U.S.
  • France includes only the European part of France, not French Guinea or other overseas regions
  • There is no data for Taiwan or the Vatican
  • Data for Israel does not include the Palestinian Territories
  • Data for Morocco includes Western Sahara