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 registers an average high-temperature of a still mild 13.6°C (56.5°F), slightly varied from August's 15.5°C (59.9°F). During the nights in September, Windermere observes an average low-temperature of 7.5°C (45.5°F).Humidity
In Windermere, the average relative humidity in September is 91%.Rainfall
In Windermere, during September, the rain falls for 17.4 days and regularly aggregates up to 55mm (2.17") of precipitation. Throughout the year, there are 219.4 rainfall days, and 817mm (32.17") of precipitation is accumulated.Snowfall
In Windermere, snow does not fall in June through October.Daylight
In Windermere, the average length of the day in September is 12h and 42min.On the first day of the month, sunrise is at 6:20 am and sunset at 8:02 pm. On the last day of September, sunrise is at 7:12 am and sunset at 6:49 pm BST.
Sunshine
In Windermere, the average sunshine in September is 4.5h.UV index
In Windermere, the average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: A typical high UV index of 3 in September suggests the following recommendations:
Be vigilant - Preventing sunburn is recommended. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Windermere in September?
What is the average humidity in September in Windermere?
How many days does it rain in September in Windermere?
When it does not snow in Windermere?
What is the average length of the day in September in Windermere?
What time are sunrise and sunset in September in Windermere?
How many hours of sunshine does Windermere have in September?
What is the UV index reading in September in Windermere?
Average temperature in September
Windermere, United Kingdom
- Average high temperature in September: 13.6°C
The warmest month (with the highest average high temperature) is July (16.3°C).
The month with the lowest average high temperature is January (3.8°C).
- Average low temperature in September: 7.5°C
The month with the highest average low temperature is August (9.1°C).
The coldest month (with the lowest average low temperature) is January (-0.2°C).
Average pressure in September
Windermere, United Kingdom
- Average pressure in September: 1014.7mbar
The month with the highest atmospheric pressure is May (1016mbar).
The month with the lowest atmospheric pressure is November (1008.1mbar).
Average wind speed in September
Windermere, United Kingdom
- Average wind speed in September: 13.8km/h
The windiest month (with the highest average wind speed) is December (18.7km/h).
The calmest months (with the lowest average wind speed) are June and July (12.1km/h).
Average humidity in September
Windermere, United Kingdom
- Average humidity in September: 91%
The months with the highest relative humidity are January, November and December (93%).
The months with the lowest relative humidity are April and May (86%).
Average rainfall in September
Windermere, United Kingdom
- Average rainfall in September: 55mm
The wettest month (with the highest rainfall) is June (86mm).
The driest month (with the least rainfall) is April (35mm).
Average rainfall days in September
Windermere, United Kingdom
- Average rainfall days in September: 17.4 days
The month with the highest number of rainy days is July (24.1 days).
The month with the least rainy days is February (13.3 days).
Average snowfall in September
Windermere, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is January (93mm).
The months with the least snowfall are June, July, August, September and October (0mm).
Average snowfall days in September
Windermere, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (7.9 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
Windermere, United Kingdom
- Average daylight in September: 12h and 4min
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 24min).
- Average sunshine in September: 4h and 3min
The months with the most sunshine are April and May (Average sunshine: 5h and 42min).
The months with the least sunshine are January and December (Average sunshine: 2h and 30min).
Average sunshine days in September
Windermere, United Kingdom
- Average sunshine days in September: 8.5 days
The month with the most sunshine days is March (11.6 days).
The month with the least sunshine days is July (4.5 days).
Average UV index in September
Windermere, United Kingdom
- Average UV index in September: 3
The month with the highest UV index is July (UV index 4).
The months with the lowest UV index are January, February and December (UV index 1).
Average cloud cover in September
Windermere, United Kingdom
- Average cloud cover in September: 72
The months with the most cloud cover are January, November and December (Cloud cover 75).
The month with the least cloud cover is April (Cloud cover 62).
Average visibility in September
Windermere, United Kingdom
- Average visibility in September: 7km
The months with the highest visibility are February, March, April, May, June and October (8km).
The months with the lowest visibility are January, July, August, September, November and December (7km).
