September weather forecast
Royal Leamington Spa, United Kingdom

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Weather in September

September, the first month of the autumn in Royal Leamington Spa, is still a refreshing month, with temperature in the range of an average high of 17.6°C (63.7°F) and an average low of 9.9°C (49.8°F).

Temperature

September's arrival brings an average high-temperature of a refreshing 17.6°C (63.7°F), demonstrating subtle variation from the preceding month. Throughout the month of September, Royal Leamington Spa expects an average low of 9.9°C (49.8°F).

Humidity

The average relative humidity in September is 82%.

Rainfall

In Royal Leamington Spa, in September, it is raining for 14.3 days, with typically 35mm (1.38") of accumulated precipitation. In Royal Leamington Spa, during the entire year, the rain falls for 207.3 days and collects up to 577mm (22.72") of precipitation.

Snowfall

In Royal Leamington Spa, snow does not fall in April, June through October.

Daylight

In Royal Leamington Spa, the average length of the day in September is 12h and 39min.
On the first day of September, sunrise is at 6:18 am and sunset at 7:53 pm. On the last day of the month, sunrise is at 7:06 am and sunset at 6:45 pm BST.

Sunshine

The average sunshine in September is 6.6h.

UV index

In September, the average daily maximum UV index in Royal Leamington Spa is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.
Note: The daily maximum UV index of 3 in September interprets into the following advice:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. Direct Sun exposure should be minimized especially during midday when radiation is most intense. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
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Frequently asked questions

What are September temperatures in Royal Leamington Spa?

The average high-temperature, in September, in Royal Leamington Spa, is 17.6°C (63.7°F), while the average low-temperature is 9.9°C (49.8°F).

What is the average humidity in September in Royal Leamington Spa?

The average relative humidity in September is 82%.

How many days does it rain in September in Royal Leamington Spa?

In Royal Leamington Spa, United Kingdom, during September, the rain falls for 14.3 days and regularly aggregates up to 35mm (1.38") of precipitation.

When it does not snow in Royal Leamington Spa?

In Royal Leamington Spa, United Kingdom, snow does not fall in April, June through October.

What is the average length of the day in September in Royal Leamington Spa?

In Royal Leamington Spa, United Kingdom, the average day length in September is 12h and 39min.

When are sunrise and sunset in September in Royal Leamington Spa?

On the first day of September in Royal Leamington Spa, sunrise is at 6:18 am and sunset at 7:53 pm. On the last day of the month, sunrise is at 7:06 am and sunset at 6:45 pm BST.

How many hours of sunshine does Royal Leamington Spa have in September?

In September, the average sunshine duration in Royal Leamington Spa, United Kingdom, is 6.6h.

How high is the UV index in September in Royal Leamington Spa?

In Royal Leamington Spa, United Kingdom, the average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a medium hazard to health from unsafe exposure to Sun's UV rays.
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
Royal Leamington Spa, United Kingdom

Average temperature in September - Royal Leamington Spa, United Kingdom
  • Average high temperature in September: 17.6°C

The warmest month (with the highest average high temperature) is July (20.5°C).
The month with the lowest average high temperature is January (6.1°C).

  • Average low temperature in September: 9.9°C

The month with the highest average low temperature is August (12.2°C).
The coldest month (with the lowest average low temperature) is January (1.3°C).

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Average pressure in September
Royal Leamington Spa, United Kingdom

Average pressure in September - Royal Leamington Spa, United Kingdom
  • Average pressure in September: 1016.4mbar

The month with the highest atmospheric pressure is May (1016.5mbar).
The month with the lowest atmospheric pressure is November (1009.8mbar).

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Average wind speed in September
Royal Leamington Spa, United Kingdom

Average wind speed in September - Royal Leamington Spa, United Kingdom
  • Average wind speed in September: 13.3km/h

The windiest months (with the highest average wind speed) are February and December (18.4km/h).
The calmest month (with the lowest average wind speed) is July (12.8km/h).

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Average humidity in September
Royal Leamington Spa, United Kingdom

Average humidity in September - Royal Leamington Spa, United Kingdom
  • Average humidity in September: 82%

The month with the highest relative humidity is December (91%).
The month with the lowest relative humidity is August (80%).

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Average rainfall in September
Royal Leamington Spa, United Kingdom

Average rainfall in September - Royal Leamington Spa, United Kingdom
  • Average rainfall in September: 35mm

The wettest month (with the highest rainfall) is June (68mm).
The driest month (with the least rainfall) is April (34mm).

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Average rainfall days in September
Royal Leamington Spa, United Kingdom

Average rainfall days in September - Royal Leamington Spa, United Kingdom
  • Average rainfall days in September: 14.3 days

The month with the highest number of rainy days is July (21.8 days).
The month with the least rainy days is February (13.4 days).

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Average snowfall in September
Royal Leamington Spa, United Kingdom

Average snowfall in September - Royal Leamington Spa, United Kingdom
  • Average snowfall in September: 0mm

The month with the highest snowfall is February (32mm).
The months with the least snowfall are April, June, July, August, September and October (0mm).

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Average snowfall days in September
Royal Leamington Spa, United Kingdom

Average snowfall days in September - Royal Leamington Spa, United Kingdom
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (4.4 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

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Average daylight in September /
Average sunshine in September
Royal Leamington Spa, United Kingdom

Average daylight in September / Average sunshine in September - Royal Leamington Spa, United Kingdom
  • Average daylight in September: 12h and 4min

The month with the longest days is June (Average daylight: 16h and 42min).
The month with the shortest days is December (Average daylight: 7h and 48min).

  • Average sunshine in September: 6h and 4min

The month with the most sunshine is July (Average sunshine: 7h and 18min).
The month with the least sunshine is February (Average sunshine: 3h and 36min).

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Average sunshine days in September
Royal Leamington Spa, United Kingdom

Average sunshine days in September - Royal Leamington Spa, United Kingdom
  • Average sunshine days in September: 11.5 days

The month with the most sunshine days is March (11.9 days).
The month with the least sunshine days is July (6.4 days).

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Average UV index in September
Royal Leamington Spa, United Kingdom

Average UV index in September - Royal Leamington Spa, United Kingdom
  • Average UV index in September: 3

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

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Average cloud cover in September
Royal Leamington Spa, United Kingdom

Average cloud cover in September - Royal Leamington Spa, United Kingdom
  • Average cloud cover in September: 53

The month with the most cloud cover is November (Cloud cover 63).
The month with the least cloud cover is September (Cloud cover 53).

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Average visibility in September
Royal Leamington Spa, United Kingdom

Average visibility in September - Royal Leamington Spa, United Kingdom
  • Average visibility in September: 8km

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

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Royal Leamington Spa, United Kingdom

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