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
As August turns into September, the average high-temperatures rest at a still refreshing 16.8°C (62.2°F), showing a minor variation from the prior month. Nighttime temperatures in Flanshaw hover around an average low of 9.5°C (49.1°F) in September.Humidity
In Flanshaw, the average relative humidity in September is 82%.Rainfall
In Flanshaw, in September, during 15.2 rainfall days, 36mm (1.42") of precipitation is typically accumulated. In Flanshaw, during the entire year, the rain falls for 194.1 days and collects up to 513mm (20.2") of precipitation.Snowfall
In Flanshaw, snow does not fall in April through October.Daylight
The average length of the day in September is 12h and 41min.On the first day of the month, sunrise is at 6:16 am and sunset at 7:55 pm. On the last day of September, in Flanshaw, sunrise is at 7:07 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 in Flanshaw. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: A maximum high daily UV index of 4 during September translates into the following directions:
Put precautions into practice - Guidance to elude sunburn is provided. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September in Flanshaw?
What is the average humidity in September in Flanshaw?
How much does it rain in Flanshaw in September?
When it does not snow in Flanshaw?
How many hours of daylight does Flanshaw have in September?
What time are sunrise and sunset in September in Flanshaw?
How long on average sun shines in September in Flanshaw?
When is the highest UV index in Flanshaw?
What is the UV index intensity in September in Flanshaw?
Average temperature in September
Flanshaw, United Kingdom
- Average high temperature in September: 16.8°C
The warmest month (with the highest average high temperature) is July (19.7°C).
The month with the lowest average high temperature is January (5.4°C).
- Average low temperature in September: 9.5°C
The month with the highest average low temperature is August (11.8°C).
The coldest month (with the lowest average low temperature) is January (1.5°C).
Average pressure in September
Flanshaw, United Kingdom
- Average pressure in September: 1015.4mbar
The month with the highest atmospheric pressure is May (1016.2mbar).
The month with the lowest atmospheric pressure is November (1009mbar).
Average wind speed in September
Flanshaw, United Kingdom
- Average wind speed in September: 13.6km/h
The windiest month (with the highest average wind speed) is February (18.1km/h).
The calmest month (with the lowest average wind speed) is June (12.6km/h).
Average humidity in September
Flanshaw, United Kingdom
- Average humidity in September: 82%
The months with the highest relative humidity are January, November and December (88%).
The months with the lowest relative humidity are April, May, July and August (79%).
Average rainfall in September
Flanshaw, United Kingdom
- Average rainfall in September: 36mm
The wettest month (with the highest rainfall) is June (62mm).
The driest month (with the least rainfall) is April (20mm).
Average rainfall days in September
Flanshaw, United Kingdom
- Average rainfall days in September: 15.2 days
The month with the highest number of rainy days is July (21.9 days).
The month with the least rainy days is February (11.9 days).
Average snowfall in September
Flanshaw, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is February (25mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Flanshaw, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3.6 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
Flanshaw, 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: 6h and 5min
The month with the most sunshine is August (Average sunshine: 7h and 30min).
The month with the least sunshine is February (Average sunshine: 3h and 54min).
Average sunshine days in September
Flanshaw, United Kingdom
- Average sunshine days in September: 10.5 days
The month with the most sunshine days is March (13.5 days).
The month with the least sunshine days is August (5.6 days).
Average UV index in September
Flanshaw, 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, November and December (UV index 2).
Average cloud cover in September
Flanshaw, United Kingdom
- Average cloud cover in September: 52
The month with the most cloud cover is November (Cloud cover 62).
The months with the least cloud cover are April and September (Cloud cover 52).
Average visibility in September
Flanshaw, United Kingdom
- Average visibility in September: 8km
The months with the highest visibility are February, March, April, May, June, July, August and December (9km).
The months with the lowest visibility are January, September, October and November (8km).
