September weather forecast
Kilmarnock, United Kingdom

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Weather in September

September, the first month of the autumn in Kilmarnock, is also a moderate month, with an average temperature fluctuating between 9.4°C (48.9°F) and 14.3°C (57.7°F).

Temperature

September ushers in an average high-temperature of a still refreshing 14.3°C (57.7°F), aligning closely with the preceding month. The September nights in Kilmarnock, United Kingdom, show a slight decrease to a mean low-temperature of 9.4°C (48.9°F).

Humidity

January, August through December, with an average relative humidity of 88%, are the most humid months in Kilmarnock.

Rainfall

In Kilmarnock, in September, it is raining for 18.9 days, with typically 54mm (2.13") of accumulated precipitation. In Kilmarnock, during the entire year, the rain falls for 233.5 days and collects up to 779mm (30.67") of precipitation.

Snowfall

In Kilmarnock, snow does not fall in May through November.

Daylight

In Kilmarnock, the average length of the day in September is 12h and 44min.
On the first day of the month, sunrise is at 6:24 am and sunset at 8:11 pm. On the last day of September, sunrise is at 7:19 am and sunset at 6:55 pm BST.

Sunshine

In September, the average sunshine is 5.8h.

UV index

The average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: The maximum UV index of 3 during September translates into these guidelines:
Exercise prevention - Protecting skin and eyes from harm is required. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
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Frequently asked questions

What are September temperatures in Kilmarnock?

The high-temperature, in September, in Kilmarnock, is 14.3°C (57.7°F), while the low-temperature averages to 9.4°C (48.9°F).

What is the most humid month in Kilmarnock?

January, August through December, with an average relative humidity of 88%, are most humid months in Kilmarnock.

What is the average humidity in September in Kilmarnock?

In Kilmarnock, the average relative humidity in September is 88%.

How much does it rain in Kilmarnock in September?

In Kilmarnock, in September, during 18.9 rainfall days, 54mm (2.13") of precipitation is typically accumulated.

When it does not snow in Kilmarnock?

In Kilmarnock, snow does not fall in May through November.

How many hours of daylight does Kilmarnock have in September?

The average day length in September is 12h and 44min.

What time are sunrise and sunset in September in Kilmarnock?

In September, on the first day of the month, sunrise is at 6:24 am and sunset at 8:11 pm. On the last day of the month, in Kilmarnock, United Kingdom, sunrise is at 7:19 am and sunset at 6:55 pm BST.

How long on average sun shines in September in Kilmarnock?

The average sunshine duration in September in Kilmarnock is 5.8h.

How high is the UV index in September in Kilmarnock?

In September, the average daily maximum UV index in Kilmarnock, United Kingdom, is 3. A UV Index value of 3 to 5 symbolizes a medium hazard to health from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Kilmarnock, United Kingdom

Average temperature in September - Kilmarnock, United Kingdom
  • Average high temperature in September: 14.3°C

The warmest month (with the highest average high temperature) is July (16.6°C).
The month with the lowest average high temperature is January (5.4°C).

  • Average low temperature in September: 9.4°C

The month with the highest average low temperature is July (10.4°C).
The coldest month (with the lowest average low temperature) is February (2°C).

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Average pressure in September
Kilmarnock, United Kingdom

Average pressure in September - Kilmarnock, United Kingdom
  • Average pressure in September: 1013.5mbar

The month with the highest atmospheric pressure is May (1015.4mbar).
The month with the lowest atmospheric pressure is November (1006.9mbar).

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Average wind speed in September
Kilmarnock, United Kingdom

Average wind speed in September - Kilmarnock, United Kingdom
  • Average wind speed in September: 16.5km/h

The windiest month (with the highest average wind speed) is January (21.9km/h).
The calmest months (with the lowest average wind speed) are June and July (13.7km/h).

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Average humidity in September
Kilmarnock, United Kingdom

Average humidity in September - Kilmarnock, United Kingdom
  • Average humidity in September: 88%

The months with the highest relative humidity are January, August, September, October, November and December (88%).
The months with the lowest relative humidity are April and May (83%).

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Average rainfall in September
Kilmarnock, United Kingdom

Average rainfall in September - Kilmarnock, United Kingdom
  • Average rainfall in September: 54mm

The wettest month (with the highest rainfall) is August (87mm).
The driest month (with the least rainfall) is April (34mm).

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Average rainfall days in September
Kilmarnock, United Kingdom

Average rainfall days in September - Kilmarnock, United Kingdom
  • Average rainfall days in September: 18.9 days

The month with the highest number of rainy days is August (22.9 days).
The month with the least rainy days is April (16.6 days).

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Average snowfall in September
Kilmarnock, United Kingdom

Average snowfall in September - Kilmarnock, United Kingdom
  • Average snowfall in September: 0mm

The month with the highest snowfall is February (61mm).
The months with the least snowfall are May, June, July, August, September, October and November (0mm).

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Average snowfall days in September
Kilmarnock, United Kingdom

Average snowfall days in September - Kilmarnock, United Kingdom
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (4.2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight in September /
Average sunshine in September
Kilmarnock, United Kingdom

Average daylight in September / Average sunshine in September - Kilmarnock, 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: 5h and 5min

The month with the most sunshine is June (Average sunshine: 7h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).

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Average sunshine days in September
Kilmarnock, United Kingdom

Average sunshine days in September - Kilmarnock, United Kingdom
  • Average sunshine days in September: 8.1 days

The month with the most sunshine days is April (10.9 days).
The month with the least sunshine days is August (5.8 days).

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Average UV index in September
Kilmarnock, United Kingdom

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

The months with the highest UV index are May, June and July (UV index 4).
The months with the lowest UV index are January, February, March, November and December (UV index 2).

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Average cloud cover in September
Kilmarnock, United Kingdom

Average cloud cover in September - Kilmarnock, United Kingdom
  • Average cloud cover in September: 60

The month with the most cloud cover is January (Cloud cover 66).
The month with the least cloud cover is April (Cloud cover 54).

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Average visibility in September
Kilmarnock, United Kingdom

Average visibility in September - Kilmarnock, United Kingdom
  • Average visibility in September: 9km

The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (9km).
The months with the lowest visibility are July and August (8km).

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Kilmarnock, United Kingdom

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