September weather forecast
Grimethorpe, United Kingdom

September

Weather in September

The first month of the autumn, September, is also an enjoyable month in Grimethorpe, United Kingdom, with an average temperature ranging between max 16.9°C (62.4°F) and min 10.1°C (50.2°F).

Temperature

September brings an average high-temperature of a still enjoyable 16.9°C (62.4°F), showing a slight difference from August's 19.3°C (66.7°F). During the month of September, Grimethorpe anticipates a mean low-temperature of 10.1°C (50.2°F).

Humidity

In Grimethorpe, the average relative humidity in September is 81%.

Rainfall

In Grimethorpe, during September, the rain falls for 11.4 days and regularly aggregates up to 22mm (0.87") of precipitation. In Grimethorpe, United Kingdom, during the entire year, the rain falls for 161.8 days and collects up to 335mm (13.19") of precipitation.

Snowfall

In Grimethorpe, snow does not fall in April through October.

Daylight

In Grimethorpe, the average length of the day in September is 12h and 41min.
On the first day of September in Grimethorpe, sunrise is at 6:15 am and sunset at 7:55 pm. On the last day of the month, sunrise is at 7:06 am and sunset at 6:44 pm BST.

Sunshine

In September, the average sunshine is 6.9h.

UV index

June through September, with an average maximum UV index of 4, are months with the highest UV index. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: The UV index of 4 in September translates into these instructions:
Be vigilant - Preventing sunburn is recommended. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.

Frequently asked questions

What is the average September temperature in Grimethorpe?
In September, the average high-temperature and low-temperature are 16.9°C (62.4°F) and 10.1°C (50.2°F) respectively.
What is the average humidity in September in Grimethorpe?
In Grimethorpe, the average relative humidity in September is 81%.
How many days does it rain in September in Grimethorpe?
In Grimethorpe, during September, the rain falls for 11.4 days and regularly aggregates up to 22mm (0.87") of precipitation.
When it does not snow in Grimethorpe?
April through October are months without snowfall in Grimethorpe.
What is the average length of the day in September in Grimethorpe?
The average day length in September is 12h and 41min.
When is the sunrise / sunset in September in Grimethorpe?
On the first day of September in Grimethorpe, sunrise is at 6:15 am and sunset at 7:55 pm. On the last day of the month, sunrise is at 7:06 am and sunset at 6:44 pm BST.
How many hours of sunshine does Grimethorpe have in September?
In September, the average sunshine duration in Grimethorpe is 6.9h.
What is the month with the highest UV index in Grimethorpe?
The months with the highest UV index in Grimethorpe are June through September, with an average maximum UV index of 4.
How high is the UV index in September in Grimethorpe?
In September, the average daily maximum UV index in Grimethorpe is 4. A UV Index of 3 to 5 symbolizes a moderate vulnerability from exposure to the Sun's UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
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
Grimethorpe, United Kingdom
  • Average high temperature in September: 16.9°C

The warmest month (with the highest average high temperature) is July (19.8°C).
The month with the lowest average high temperature is January (5.4°C).

  • Average low temperature in September: 10.1°C

The month with the highest average low temperature is August (12.1°C).
The coldest month (with the lowest average low temperature) is January (1.5°C).

Average pressure in September
Grimethorpe, United Kingdom
  • Average pressure in September: 1015.6mbar

The month with the highest atmospheric pressure is May (1016.3mbar).
The month with the lowest atmospheric pressure is November (1009.1mbar).

Average wind speed in September
Grimethorpe, United Kingdom
  • Average wind speed in September: 13.6km/h

The windiest month (with the highest average wind speed) is February (18.3km/h).
The calmest month (with the lowest average wind speed) is June (12.6km/h).

Average humidity in September
Grimethorpe, United Kingdom
  • Average humidity in September: 81%

The months with the highest relative humidity are January, November and December (88%).
The months with the lowest relative humidity are July and August (78%).

Average rainfall in September
Grimethorpe, United Kingdom
  • Average rainfall in September: 22mm

The wettest month (with the highest rainfall) is June (40mm).
The driest month (with the least rainfall) is April (15mm).

Average rainfall days in September
Grimethorpe, United Kingdom
  • Average rainfall days in September: 11.4 days

The month with the highest number of rainy days is July (17 days).
The month with the least rainy days is April (11.3 days).

Average snowfall in September
Grimethorpe, United Kingdom
  • Average snowfall in September: 0mm

The month with the highest snowfall is February (20mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days in September
Grimethorpe, United Kingdom
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (3.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in September /
Average sunshine in September
Grimethorpe, United Kingdom
  • Average daylight in September: 12h and 4min

The month with the longest days is June (Average daylight: 17h and 0min).
The month with the shortest days is December (Average daylight: 7h and 36min).

  • Average sunshine in September: 6h and 5min

The months with the most sunshine are July and August (Average sunshine: 7h and 24min).
The months with the least sunshine are February and November (Average sunshine: 3h and 54min).

Average sunshine days in September
Grimethorpe, United Kingdom
  • Average sunshine days in September: 14.1 days

The month with the most sunshine days is March (15.3 days).
The month with the least sunshine days is June (10.1 days).

Average UV index in September
Grimethorpe, United Kingdom
  • Average UV index in September: 4

The months with the highest UV index are 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
Grimethorpe, United Kingdom
  • Average cloud cover in September: 52

The month with the most cloud cover is November (Cloud cover 62).
The month with the least cloud cover is September (Cloud cover 52).

Average visibility in September
Grimethorpe, United Kingdom
  • Average visibility in September: 9km

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

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