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
Upon the onset of September, Johnstonebridge witnesses an average high-temperature of a still mild 13.8°C (56.8°F), showing a close resemblance to the prior month. During the nights in September, the temperature averages to a frosty 7.9°C (46.2°F).Humidity
In Johnstonebridge, the average relative humidity in September is 90%.Rainfall
In Johnstonebridge, United Kingdom, in September, during 12 rainfall days, 18mm (0.71") of precipitation is typically accumulated. In Johnstonebridge, during the entire year, the rain falls for 168.8 days and collects up to 320mm (12.6") of precipitation.Snowfall
In Johnstonebridge, snow does not fall in May through October.Daylight
In September, the average length of the day is 12h and 43min.On the first day of September in Johnstonebridge, sunrise is at 6:20 am and sunset at 8:06 pm. On the last day of the month, sunrise is at 7:15 am and sunset at 6:51 pm BST.
Sunshine
In September, the average sunshine in Johnstonebridge is 5.1h.UV index
The average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: An average maximum UV index of 3 in September leads to these recommendations:
Be vigilant - A duty to shield skin and eyes from injury exists. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in Johnstonebridge?
What is the average humidity in September in Johnstonebridge?
How much does it rain in Johnstonebridge in September?
When it does not snow in Johnstonebridge?
How many hours of daylight does Johnstonebridge have in September?
When are sunrise and sunset in September in Johnstonebridge?
How many hours of sunshine does Johnstonebridge have in September?
What is the UV index reading in September in Johnstonebridge?
Average temperature in September
Johnstonebridge, United Kingdom
- Average high temperature in September: 13.8°C
The warmest month (with the highest average high temperature) is July (16.2°C).
The month with the lowest average high temperature is January (4.1°C).
- Average low temperature in September: 7.9°C
The months with the highest average low temperature are July and August (9.3°C).
The coldest month (with the lowest average low temperature) is January (0.2°C).
Average pressure in September
Johnstonebridge, United Kingdom
- Average pressure in September: 1013.9mbar
The month with the highest atmospheric pressure is May (1015.7mbar).
The month with the lowest atmospheric pressure is November (1007.4mbar).
Average wind speed in September
Johnstonebridge, United Kingdom
- Average wind speed in September: 14.5km/h
The windiest month (with the highest average wind speed) is January (18.9km/h).
The calmest month (with the lowest average wind speed) is July (12.4km/h).
Average humidity in September
Johnstonebridge, United Kingdom
- Average humidity in September: 90%
The months with the highest relative humidity are January, November and December (92%).
The month with the lowest relative humidity is April (84%).
Average rainfall in September
Johnstonebridge, United Kingdom
- Average rainfall in September: 18mm
The wettest months (with the highest rainfall) are June, July and August (37mm).
The driest month (with the least rainfall) is April (13mm).
Average rainfall days in September
Johnstonebridge, United Kingdom
- Average rainfall days in September: 12 days
The month with the highest number of rainy days is July (18.8 days).
The month with the least rainy days is February (10.9 days).
Average snowfall in September
Johnstonebridge, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is February (37mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Johnstonebridge, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (4.9 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
Johnstonebridge, United Kingdom
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 17h and 18min).
The month with the shortest days is December (Average daylight: 7h and 12min).
- Average sunshine in September: 5h and 1min
The month with the most sunshine is April (Average sunshine: 6h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in September
Johnstonebridge, United Kingdom
- Average sunshine days in September: 12.6 days
The month with the most sunshine days is October (14.2 days).
The month with the least sunshine days is June (6.6 days).
Average UV index in September
Johnstonebridge, 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, March, April, November and December (UV index 2).
Average cloud cover in September
Johnstonebridge, United Kingdom
- Average cloud cover in September: 68
The months with the most cloud cover are January and August (Cloud cover 70).
The month with the least cloud cover is April (Cloud cover 58).
Average visibility in September
Johnstonebridge, United Kingdom
- Average visibility in September: 7km
The month with the highest visibility is April (9km).
The months with the lowest visibility are July, August and September (7km).
