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
The transition into September marks the average high-temperature at a mild 15.1°C (59.2°F), differing minimally from August's 17.3°C (63.1°F). Throughout the month of September, Grindleton witnesses an average temperature of 8.5°C (47.3°F).Humidity
The average relative humidity in September is 88%.Rainfall
In Grindleton, in September, it is raining for 15.7 days, with typically 36mm (1.42") of accumulated precipitation. In Grindleton, during the entire year, the rain falls for 208.6 days and collects up to 540mm (21.26") of precipitation.Snowfall
In Grindleton, snow does not fall in June through October.Daylight
In Grindleton, the average length of the day in September is 12h and 41min.On the first day of the month, sunrise is at 6:19 am and sunset at 7:59 pm. On the last day of September, sunrise is at 7:10 am and sunset at 6:48 pm BST.
Sunshine
In September, the average sunshine in Grindleton is 5.9h.UV index
The average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for average individuals.Note: The maximum UV index of 3 during September translates into these guidelines:
Put precautions into practice - Ensuring skin and eye safety is a necessity. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September in Grindleton?
What is the average humidity in September in Grindleton?
How many days does it rain in September in Grindleton?
When it does not snow in Grindleton?
How many hours of daylight does Grindleton have in September?
What time are sunrise and sunset in September in Grindleton?
How long on average sun shines in September in Grindleton?
How high is the UV index in September in Grindleton?
Average temperature in September
Grindleton, United Kingdom
- Average high temperature in September: 15.1°C
The warmest month (with the highest average high temperature) is July (18°C).
The month with the lowest average high temperature is January (4.8°C).
- Average low temperature in September: 8.5°C
The month with the highest average low temperature is August (10.4°C).
The coldest months (with the lowest average low temperature) are January and February (1°C).
Average pressure in September
Grindleton, United Kingdom
- Average pressure in September: 1015.3mbar
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
Grindleton, United Kingdom
- Average wind speed in September: 13.7km/h
The windiest month (with the highest average wind speed) is February (18.6km/h).
The calmest month (with the lowest average wind speed) is July (12.8km/h).
Average humidity in September
Grindleton, United Kingdom
- Average humidity in September: 88%
The months with the highest relative humidity are January, November and December (91%).
The months with the lowest relative humidity are April and May (83%).
Average rainfall in September
Grindleton, United Kingdom
- Average rainfall in September: 36mm
The wettest month (with the highest rainfall) is August (61mm).
The driest month (with the least rainfall) is April (25mm).
Average rainfall days in September
Grindleton, United Kingdom
- Average rainfall days in September: 15.7 days
The month with the highest number of rainy days is July (21.7 days).
The month with the least rainy days is February (14 days).
Average snowfall in September
Grindleton, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is February (42mm).
The months with the least snowfall are June, July, August, September and October (0mm).
Average snowfall days in September
Grindleton, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (5.9 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Grindleton, 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 30min).
- Average sunshine in September: 5h and 5min
The month with the most sunshine is April (Average sunshine: 6h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).
Average sunshine days in September
Grindleton, United Kingdom
- Average sunshine days in September: 9.9 days
The month with the most sunshine days is April (11.3 days).
The month with the least sunshine days is August (6.3 days).
Average UV index in September
Grindleton, United Kingdom
- Average UV index in September: 3
The months with the highest UV index are May, June and July (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
Grindleton, United Kingdom
- Average cloud cover in September: 61
The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is April (Cloud cover 55).
Average visibility in September
Grindleton, United Kingdom
- Average visibility in September: 8km
The months with the highest visibility are April and May (9km).
The months with the lowest visibility are January, February, March, June, July, August, September, October, November and December (8km).
