September weather forecastGrindale, United Kingdom
September
Weather in September
September, the first month of the autumn in Grindale, is still a refreshing month, with an average temperature fluctuating between 16°C (60.8°F) and 12.3°C (54.1°F).Temperature
As Grindale welcomes September, the average high-temperature is noted at a still refreshing 16°C (60.8°F), closely aligning with the preceding month. In Grindale, September nights experience a modest descent in temperature from daily peaks, cooling down to an average of 12.3°C (54.1°F).Humidity
In September, the average relative humidity is 81%.Rainfall
In Grindale, United Kingdom, in September, during 11.7 rainfall days, 20mm (0.79") of precipitation is typically accumulated. Throughout the year, in Grindale, there are 155.7 rainfall days, and 312mm (12.28") of precipitation is accumulated.Snowfall
May through October are months without snowfall.Daylight
In September, the average length of the day in Grindale is 12h and 42min.On the first day of the month, sunrise is at 6:10 am and sunset at 7:51 pm. On the last day of September, in Grindale, sunrise is at 7:02 am and sunset at 6:39 pm BST.
Sunshine
In Grindale, United Kingdom, the average sunshine in September is 7.7h.UV index
The months with the highest UV index in Grindale are May through September, with an average maximum UV index of 4. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: In September, the maximum UV index of 4 translates into these guidelines:
Take necessary precautions - Suggestions to elude sunburn are provided. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Experience reduced UV exposure by about half when donning a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Grindale, United Kingdom
- Average high temperature in September: 16°C
The warmest month (with the highest average high temperature) is August (17.8°C).
The month with the lowest average high temperature is January (6.3°C).
- Average low temperature in September: 12.3°C
The month with the highest average low temperature is August (13.9°C).
The coldest month (with the lowest average low temperature) is January (3.8°C).
Average pressure in September
Grindale, United Kingdom
- Average pressure in September: 1015.1mbar
The month with the highest atmospheric pressure is May (1016.2mbar).
The month with the lowest atmospheric pressure is November (1008.7mbar).
Average wind speed in September
Grindale, United Kingdom
- Average wind speed in September: 19.3km/h
The windiest month (with the highest average wind speed) is December (25.5km/h).
The calmest month (with the lowest average wind speed) is June (16.2km/h).
Average humidity in September
Grindale, United Kingdom
- Average humidity in September: 81%
The months with the highest relative humidity are January and December (84%).
The months with the lowest relative humidity are April and August (80%).
Average rainfall in September
Grindale, United Kingdom
- Average rainfall in September: 20mm
The wettest month (with the highest rainfall) is August (40mm).
The driest month (with the least rainfall) is April (12mm).
Average rainfall days in September
Grindale, United Kingdom
- Average rainfall days in September: 11.7 days
The month with the highest number of rainy days is July (16.4 days).
The month with the least rainy days is February (10.8 days).
Average snowfall in September
Grindale, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is January (16mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Grindale, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (4 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
Grindale, United Kingdom
- Average daylight in September: 12h and 42min
The month with the longest days is June (Average daylight: 17h and 6min).
The month with the shortest days is December (Average daylight: 7h and 30min).
- Average sunshine in September: 7h and 42min
The month with the most sunshine is August (Average sunshine: 8h and 30min).
The month with the least sunshine is November (Average sunshine: 4h and 6min).
Average sunshine days in September
Grindale, United Kingdom
- Average sunshine days in September: 15.5 days
The month with the most sunshine days is May (16.4 days).
The month with the least sunshine days is July (12.1 days).
Average UV index in September
Grindale, United Kingdom
- Average UV index in September: 4
The months with the highest UV index are May, June, July, August and September (UV index 4).
The months with the lowest UV index are January, February and November (UV index 2).
Average cloud cover in September
Grindale, United Kingdom
- Average cloud cover in September: 46
The months with the most cloud cover are January, February and November (Cloud cover 58).
The month with the least cloud cover is April (Cloud cover 45).
Average visibility in September
Grindale, United Kingdom
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
