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 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
September
Weather in September
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.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in Grimethorpe?
What is the average humidity in September in Grimethorpe?
How many days does it rain in September in Grimethorpe?
When it does not snow in Grimethorpe?
What is the average length of the day in September in Grimethorpe?
When is the sunrise / sunset in September in Grimethorpe?
How many hours of sunshine does Grimethorpe have in September?
What is the month with the highest UV index in Grimethorpe?
How high is the UV index in September in Grimethorpe?
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).
