September weather forecast and climate
Sheffield, United Kingdom

Weather in September

The first month of the autumn, September, is also an enjoyable month in Sheffield, United Kingdom, with temperature in the range of an average low of 9.7°C (49.5°F) and an average high of 16.8°C (62.2°F).

Temperature

In Sheffield, the average high-temperature in September is relatively the same as in August - a still comfortable 16.8°C (62.2°F). In Sheffield, the average low-temperature is 9.7°C (49.5°F).

Humidity

In September, the average relative humidity is 82%.

Rainfall

In Sheffield, in September, during 13.8 rainfall days, 29mm (1.14") of precipitation is typically accumulated. In Sheffield, during the entire year, the rain falls for 187.7 days and collects up to 462mm (18.19") of precipitation.

Snowfall

In Sheffield snow does not fall in April through October.

Daylight

The average length of the day in Sheffield, United Kingdom, is 12.7h.

Sunshine

The average sunshine in Sheffield is 6.8h.

UV index

In Sheffield, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to the UV radiation for average individuals.
Note: In September, the average maximum UV index of 3 translate into the following recommendations:
Take precautions - Protection against sunburn is recommended. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the average humidity in September in Sheffield?

In Sheffield, United Kingdom, the average relative humidity in September is 82%.

How much does it rain in Sheffield in September?

In Sheffield, United Kingdom, during September, the rain falls for 13.8 days and regularly aggregates up to 29mm (1.14") of precipitation.

When it does not snow in Sheffield?

April through October are months without snowfall in Sheffield, United Kingdom.

How many hours of daylight does Sheffield have in September?

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

How long on average sun shines in September in Sheffield?

In September, the average sunshine is 6.8h.

What is the UV index reading in September in Sheffield?

In September, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a moderate health threat from unprotected exposure to the UV radiation.

Average temperature in September
Sheffield, United Kingdom

Average temperature in September - Sheffield, United Kingdom
  • Average high temperature in September: 16.8°C

The warmest month (with the highest average high temperature) is July (19.6°C).
The month with the lowest average high temperature is January (5.4°C).

  • Average low temperature in September: 9.7°C

The month with the highest average low temperature is August (11.8°C).
The coldest months (with the lowest average low temperature) are January and February (1.4°C).

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Average pressure in September
Sheffield, United Kingdom

Average pressure in September - Sheffield, United Kingdom
  • Average pressure in September: 1015.7mbar

The month with the highest atmospheric pressure is May (1016.3mbar).
The month with the lowest atmospheric pressure is November (1009.2mbar).

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Average wind speed in September
Sheffield, United Kingdom

Average wind speed in September - Sheffield, United Kingdom
  • Average wind speed in September: 13.7km/h

The windiest month (with the highest average wind speed) is February (18.9km/h).
The calmest months (with the lowest average wind speed) are June and July (13km/h).

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Average humidity in September
Sheffield, United Kingdom

Average humidity in September - Sheffield, United Kingdom
  • Average humidity in September: 82%

Months with the highest relative humidity are January, November and December (89%).
Months with the lowest relative humidity are May, July and August (80%).

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Average rainfall in September
Sheffield, United Kingdom

Average rainfall in September - Sheffield, United Kingdom
  • Average rainfall in September: 29mm

The wettest month (with the highest rainfall) is June (56mm).
The driest month (with the least rainfall) is April (23mm).

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Average rainfall days in September
Sheffield, United Kingdom

Average rainfall days in September - Sheffield, United Kingdom
  • Average rainfall days in September: 13.8 days

The month with the highest number of rainy days is July (20.2 days).
The month with the least rainy days is February (12.4 days).

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Average snowfall in September
Sheffield, United Kingdom

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

The month with the highest snowfall is January (29mm).
Months with the least snowfall are April, May, June, July, August, September and October (0mm).

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Average snowfall days in September
Sheffield, United Kingdom

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

The month with the highest number of snowfall days is February (3.5 days).
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
Sheffield, United Kingdom

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

The month with the longest days is June (Average daylight: 16.9h).
The month with the shortest days is December (Average daylight: 7.6h).

  • Average sunshine in September: 6.8h

Months with the most sunshine are July and August (Average sunshine: 7.2h).
Months with the least sunshine are February and November (Average sunshine: 3.8).

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Average sunshine days in September
Sheffield, United Kingdom

Average sunshine days in September - Sheffield, United Kingdom
  • Average sunshine days in September: 11.9 days

The month with the most sunshine days is October (13 days).
The month with the least sunshine days is July (7.1 days).

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Average UV index in September
Sheffield, United Kingdom

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

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

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Average cloud cover in September
Sheffield, United Kingdom

Average cloud cover in September - Sheffield, 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
Sheffield, United Kingdom

Average visibility in September - Sheffield, United Kingdom
  • Average visibility in September: 8km

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

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