Edinburgh
United Kingdom
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Edinburgh, United Kingdom

An evening view of Edinburgh in Scotland, United Kingdom, across from the lovely Princess Street Gardens
An evening view of Edinburgh in Scotland, United Kingdom, across from the lovely Princess Street Gardens
The first month of the autumn, September, is still a comfortable month in Edinburgh, United Kingdom, with average temperature varying between 9.4°C (48.9°F) and 16.5°C (61.7°F).

Temperature

In September, the average high-temperature is almost the same as in August - a still enjoyable 16.5°C (61.7°F). The average low-temperature, in Edinburgh, is 9.4°C (48.9°F).

Rainfall

In Edinburgh, during 10.2 rainfall days, 63.7mm (2.5") of precipitation is typically accumulated. In Edinburgh, United Kingdom, during the entire year, the rain falls for 124.2 days and collects up to 704.3mm (27.7") of precipitation.

Sea temperature

In Edinburgh, the average water temperature is 14.4°C (57.9°F).
Note: Swimming in 14.4°C (57.9°F) is considered dangerous. Unprotected immersion in temperatures below 10°C (50°F) causes quickly maximum intensity cold shock with hyperventilation.

Daylight

In September, the average length of the day is 12.7h.

Sunshine

In Edinburgh, United Kingdom, the average sunshine in September is 4.3h.

UV index

The average daily maximum UV index in Edinburgh is 3. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to the Sun's UV rays for the average person.
Note: The daily maximum UV index of 3 interpret into the following advice:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.

What is the temperature in September in Edinburgh?

In September, in Edinburgh, United Kingdom, the average high-temperature is 16.5°C (61.7°F), and the average low-temperature is 9.4°C (48.9°F).

How much does it rain in Edinburgh in September?

In Edinburgh, United Kingdom, in September, it is raining for 10.2 days, with typically 63.7mm (2.5") of accumulated precipitation.

How cold is the water in September in Edinburgh?

In September, the average sea temperature is 14.4°C (57.9°F). At temperatures below 10°C (50°F), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 13°C (55.4°F) is not comfortable.

How many hours of daylight does Edinburgh have in September?

In Edinburgh, United Kingdom, the average length of the day in September is 12.7h.

How many hours of sunshine does Edinburgh have in September?

The average sunshine in September is 4.3h.

How high is the UV index in September in Edinburgh?

In September, the average daily maximum UV index in Edinburgh, United Kingdom, is 3. A UV Index estimate of 3 to 5 represents a moderate vulnerability from the exposure to the Sun's UV rays.
Average temperature in September - Edinburgh, United Kingdom
  • Average high temperature in September: 16.5°C

The warmest month (with the highest average high temperature) is July (19.1°C).
Months with the lowest average high temperature are January and December (7°C).

  • Average low temperature in September: 9.4°C

The month with the highest average low temperature is July (11.5°C).
The coldest month (with the lowest average low temperature) is December (1.3°C).

Average rainfall in September - Edinburgh, United Kingdom
  • Average rainfall in September: 63.7mm

The wettest month (with the highest rainfall) is October (75.6mm).
The driest month (with the lowest rainfall) is April (40.5mm).

Average rainfall days in September - Edinburgh, United Kingdom
  • Average rainfall days in September: 10.2 days

The month with the highest number of rainy days is January (12.5 days).
The month with the lowest number of rainy days is April (8.8 days).

Average sea temperature in September - Edinburgh, United Kingdom
  • Average sea temperature in September: 14.4°C

The best month for swimming (with the highest average sea temperature) is August (15°C).
The coldest month (with the lowest average sea temperature) is March (6.9°C).

Average daylight in September / Average sunshine in September - Edinburgh, United Kingdom
  • Average daylight in September: 12.7h

The month with the longest days is June (Average daylight: 17.5h).
The month with shortest days is December (Average daylight: 7.1h).

  • Average sunshine in September: 4.3h

The month with most sunshine is May (Average sunshine: 6.1h).
The month with least sunshine is December (Average sunshine: 1.5h).

Average UV index in September - Edinburgh, United Kingdom
  • Average UV index in September: 3

Months with the highest UV index are May, June, July and August (UV index 5).
Months with the lowest UV index are January and December (UV index 0).