Guernsey
Guernsey
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Guernsey, Guernsey

Average temperature in September - Guernsey, Guernsey
  • Average high temperature in September: 18°C

The warmest month (with the highest average high temperature) is August (19.8°C).
The month with the lowest average high temperature is February (8.4°C).

  • Average low temperature in September: 12.9°C

The month with the highest average low temperature is August (14.1°C).
The coldest month (with the lowest average low temperature) is February (4.6°C).

Average rainfall in September - Guernsey, Guernsey
  • Average rainfall in September: 57.5mm

The wettest month (with the highest rainfall) is December (112.9mm).
The driest month (with the lowest rainfall) is July (42.1mm).

Average rainfall days in September - Guernsey, Guernsey
  • Average rainfall days in September: 12.4 days

The month with the highest number of rainy days is January (19.3 days).
The month with the lowest number of rainy days is June (10.4 days).

Average snowfall days in September - Guernsey, Guernsey
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (4 days).
Months with the lowest number of snowfall days are May, June, July, August, September and October (0 days).

Average daylight in September / Average sunshine in September - Guernsey, Guernsey
  • Average daylight in September: 12.6h

The month with the longest days is June (Average daylight: 16.2h).
The month with shortest days is December (Average daylight: 8.3h).

  • Average sunshine in September: 6h

The month with most sunshine is June (Average sunshine: 8.2h).
The month with least sunshine is December (Average sunshine: 1.9h).

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