Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average sea temperature in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
With the advent of September, Ayr's high-temperatures adjust to a still refreshing 14.4°C (57.9°F), closely aligning with the preceding month. Ayr, during September nights, records a temperature marginally cooler than the daytime average, at a fresh 10.5°C (50.9°F).Humidity
In Ayr, the average relative humidity in September is 86%.Rainfall
In Ayr, United Kingdom, in September, it is raining for 18.2 days, with typically 46mm (1.81") of accumulated precipitation. Throughout the year, there are 228.1 rainfall days, and 634mm (24.96") of precipitation is accumulated.Snowfall
In Ayr, snow does not fall in May through November.Sea temperature
August and September, with an average sea temperature of 14.3°C (57.7°F), are months with the warmest seawater.Note: Dipping into 14.3°C (57.7°F) below 10°C (50°F) is possible with the right protection; absent that, anticipate cold shock and hampered breathing. Swimming momentarily at 13°C (55.4°F) can be jarring.
Daylight
In September, the average length of the day in Ayr is 12h and 44min.On the first day of September in Ayr, sunrise is at 6:25 am and sunset at 8:11 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 6:56 pm BST.
Sunshine
In September, the average sunshine is 6.2h.UV index
May through September, with an average maximum UV index of 4, are months with the highest UV index. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for average individuals.Note: The maximum daily UV index of 4 during September translates into the following directions:
Exercise prevention - Protecting skin and eyes from harm is required. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Frequently asked questions
What is the temperature in September in Ayr?
What is the average humidity in September in Ayr?
How much does it rain in Ayr in September?
When it does not snow in Ayr?
What months are the sea warmest in Ayr?
What is the water temperature in September in Ayr?
How many hours of daylight does Ayr have in September?
When are sunrise and sunset in September in Ayr?
How many hours of sunshine does Ayr have in September?
When is the highest UV index in Ayr?
What is the UV index reading in September in Ayr?
Average temperature in September
Ayr, United Kingdom
- Average high temperature in September: 14.4°C
The warmest month (with the highest average high temperature) is July (16.1°C).
The month with the lowest average high temperature is January (6°C).
- Average low temperature in September: 10.5°C
The month with the highest average low temperature is August (11.4°C).
The coldest month (with the lowest average low temperature) is February (3.1°C).
Average pressure in September
Ayr, United Kingdom
- Average pressure in September: 1013.6mbar
The month with the highest atmospheric pressure is May (1015.4mbar).
The month with the lowest atmospheric pressure is November (1007mbar).
Average wind speed in September
Ayr, United Kingdom
- Average wind speed in September: 19.2km/h
The windiest month (with the highest average wind speed) is January (25.6km/h).
The calmest months (with the lowest average wind speed) are June and July (15.3km/h).
Average humidity in September
Ayr, United Kingdom
- Average humidity in September: 86%
The month with the highest relative humidity is August (87%).
The month with the lowest relative humidity is April (82%).
Average rainfall in September
Ayr, United Kingdom
- Average rainfall in September: 46mm
The wettest month (with the highest rainfall) is December (71mm).
The driest month (with the least rainfall) is April (27mm).
Average rainfall days in September
Ayr, United Kingdom
- Average rainfall days in September: 18.2 days
The month with the highest number of rainy days is August (22.2 days).
The month with the least rainy days is April (15.4 days).
Average snowfall in September
Ayr, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is January (22mm).
The months with the least snowfall are May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Ayr, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in September
Ayr, United Kingdom
- Average sea temperature in September: 14.3°C
The 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: 12h and 4min
The month with the longest days is June (Average daylight: 17h and 24min).
The month with the shortest days is December (Average daylight: 7h and 12min).
- Average sunshine in September: 6h and 1min
The month with the most sunshine is June (Average sunshine: 7h and 48min).
The months with the least sunshine are January and February (Average sunshine: 3h and 42min).
Average sunshine days in September
Ayr, United Kingdom
- Average sunshine days in September: 8.7 days
The month with the most sunshine days is April (12 days).
The month with the least sunshine days is August (5.8 days).
Average UV index in September
Ayr, United Kingdom
- Average UV index in September: 4
The months with the highest UV index are May, June, July, August and September (UV index 4).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in September
Ayr, United Kingdom
- Average cloud cover in September: 58
The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is April (Cloud cover 52).
Average visibility in September
Ayr, United Kingdom
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
Ayr, United Kingdom
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