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
Rosneath indicates an average high-temperature of a still mild 13.9°C (57°F) in September, showing minor variation from August's 15.8°C (60.4°F). In the month of September, Rosneath's average low-temperature falls to a frosty 8.7°C (47.7°F).Humidity
January, August through December, with an average relative humidity of 89%, are the most humid months.Rainfall
In September, in Rosneath, the rain falls for 21.5 days. Throughout September, 80mm (3.15") of precipitation is accumulated. Throughout the year, there are 249.9 rainfall days, and 1079mm (42.48") of precipitation is accumulated.Snowfall
In Rosneath, snow does not fall in May through October.Daylight
The average length of the day in September is 12h and 44min.On the first day of the month, sunrise is at 6:24 am and sunset at 8:13 pm. On the last day of September, sunrise is at 7:21 am and sunset at 6:56 pm BST.
Sunshine
The average sunshine in September in Rosneath is 4.9h.UV index
In Rosneath, the average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.Note: The maximum UV index, 3 during September, leads to the following recommendations:
Be vigilant - A duty to shield skin and eyes from injury exists. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in Rosneath?
What is the most humid month in Rosneath?
What is the average humidity in September in Rosneath?
How much does it rain in Rosneath in September?
When it does not snow in Rosneath?
What is the average length of the day in September in Rosneath?
When are sunrise and sunset in September in Rosneath?
How long on average sun shines in September in Rosneath?
What is the UV index intensity in September in Rosneath?
Average temperature in September
Rosneath, United Kingdom
- Average high temperature in September: 13.9°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 (5°C).
- Average low temperature in September: 8.7°C
The month with the highest average low temperature is July (9.8°C).
The coldest month (with the lowest average low temperature) is February (1.4°C).
Average pressure in September
Rosneath, United Kingdom
- Average pressure in September: 1013.1mbar
The month with the highest atmospheric pressure is May (1015.2mbar).
The month with the lowest atmospheric pressure is November (1006.6mbar).
Average wind speed in September
Rosneath, United Kingdom
- Average wind speed in September: 14.5km/h
The windiest month (with the highest average wind speed) is January (19.3km/h).
The calmest months (with the lowest average wind speed) are June and July (11.9km/h).
Average humidity in September
Rosneath, United Kingdom
- Average humidity in September: 89%
The months with the highest relative humidity are January, August, September, October, November and December (89%).
The months with the lowest relative humidity are April and May (83%).
Average rainfall in September
Rosneath, United Kingdom
- Average rainfall in September: 80mm
The wettest month (with the highest rainfall) is December (116mm).
The driest month (with the least rainfall) is April (48mm).
Average rainfall days in September
Rosneath, United Kingdom
- Average rainfall days in September: 21.5 days
The month with the highest number of rainy days is August (24 days).
The month with the least rainy days is February (17.8 days).
Average snowfall in September
Rosneath, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is February (53mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Rosneath, 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 June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Rosneath, United Kingdom
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 17h and 30min).
The month with the shortest days is December (Average daylight: 7h and 6min).
- Average sunshine in September: 4h and 5min
The month with the most sunshine is June (Average sunshine: 6h and 36min).
The month with the least sunshine is February (Average sunshine: 3h and 0min).
Average sunshine days in September
Rosneath, United Kingdom
- Average sunshine days in September: 6.8 days
The month with the most sunshine days is April (8.8 days).
The months with the least sunshine days are July and August (5.4 days).
Average UV index in September
Rosneath, United Kingdom
- Average UV index in September: 3
The months with the highest UV index are May and June (UV index 4).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in September
Rosneath, United Kingdom
- Average cloud cover in September: 68
The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is April (Cloud cover 59).
Average visibility in September
Rosneath, United Kingdom
- Average visibility in September: 8km
The months with the highest visibility are January, February, March, April, May and November (9km).
The months with the lowest visibility are June, July, August, September, October and December (8km).
