Ayr
United Kingdom
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Ayr, United Kingdom

September, the first month of the autumn, in Ayr, is still a mild month, with average temperature ranging between max 15.7°C (60.3°F) and min 9.1°C (48.4°F).

Temperature

In September, the average high-temperature is practically the same as in August - a moderate 15.7°C (60.3°F). In September, the average low-temperature is 9.1°C (48.4°F).

Rainfall

During September, Ayr regularly aggregates up to 101.5mm (4") of precipitation. Throughout the year, 984.5mm (38.8") of rain is accumulated.

Sea temperature

Months with the warmest seawater in Ayr, United Kingdom, are August and September, with an average sea temperature of 14.3°C (57.7°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.

Daylight

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

Sunshine

In Ayr, the average sunshine in September is 3.9h.

What is the temperature in September in Ayr?

In Ayr, in September, the average high-temperature is 15.7°C (60.3°F), and the average low-temperature is 9.1°C (48.4°F).

How much does it rain in Ayr in September?

In Ayr, in September, 101.5mm (4") of precipitation is typically accumulated.

When is the sea warmest in Ayr?

August and September, with an average sea temperature of 14.3°C (57.7°F), are months with the warmest seawater in Ayr, United Kingdom. Swimming in 14.3°C (57.7°F) is considered dangerous. Unprotected immersion in temperatures below 10°C (50°F) causes quickly maximum intensity cold shock with hyperventilation.

What is the sea water temperature in September in Ayr?

In Ayr, in September, the average water temperature is 14.3°C (57.7°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.

What is the average length of the day in September in Ayr?

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

How many hours of sunshine does Ayr have in September?

In September, the average sunshine in Ayr, United Kingdom, is 3.9h.
Average temperature in September - Ayr, United Kingdom
  • Average high temperature in September: 15.7°C

The warmest month (with the highest average high temperature) is July (18.3°C).
The month with the lowest average high temperature is January (6.7°C).

  • Average low temperature in September: 9.1°C

The month with the highest average low temperature is July (11.2°C).
The coldest month (with the lowest average low temperature) is January (1.6°C).

Average rainfall in September - Ayr, United Kingdom
  • Average rainfall in September: 101.5mm

The wettest month (with the highest rainfall) is October (112.9mm).
The driest month (with the lowest rainfall) is May (51mm).

Average sea temperature in September - Ayr, United Kingdom
  • Average sea temperature in September: 14.3°C

Best months for swimming (with the highest average sea temperature) are August and September (14.3°C).
The coldest month (with the lowest average sea temperature) is March (7.7°C).

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

The month with the longest days is June (Average daylight: 17.4h).
The month with shortest days is December (Average daylight: 7.2h).

  • Average sunshine in September: 3.9h

The month with most sunshine is May (Average sunshine: 6.4h).
The month with least sunshine is December (Average sunshine: 1.2h).