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 arrival of September marks a slight shift to an average high-temperature of a still refreshing 14.2°C (57.6°F) from August's 16.2°C (61.2°F). Forfar reports a consistent average low-temperature of 8.4°C (47.1°F) throughout September nights.Humidity
In September, the average relative humidity in Forfar, United Kingdom, is 86%.Rainfall
In Forfar, during September, the rain falls for 7 days and regularly aggregates up to 8mm (0.31") of precipitation. Throughout the year, there are 110.5 rainfall days, and 159mm (6.26") of precipitation is accumulated.Snowfall
In Forfar, snow does not fall in May through October.Daylight
The average length of the day in September is 12h and 46min.On the first day of the month, sunrise is at 6:15 am and sunset at 8:07 pm. On the last day of September, in Forfar, sunrise is at 7:14 am and sunset at 6:48 pm BST.
Sunshine
In September, the average sunshine is 6.9h.UV index
The average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for average individuals.Note: The average daily UV index of 3 in September transforms into the following instructions:
Guard yourself - Precautionary measures against sun damage are advocated. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in Forfar?
What is the average humidity in September in Forfar?
How much does it rain in Forfar in September?
When it does not snow in Forfar?
What is the average length of the day in September in Forfar?
When are sunrise and sunset in September in Forfar?
How many hours of sunshine does Forfar have in September?
How high is the UV index in September in Forfar?
Average temperature in September
Forfar, United Kingdom
- Average high temperature in September: 14.2°C
The warmest month (with the highest average high temperature) is July (16.4°C).
The month with the lowest average high temperature is January (4.5°C).
- Average low temperature in September: 8.4°C
The month with the highest average low temperature is July (9.9°C).
The coldest month (with the lowest average low temperature) is January (1.1°C).
Average pressure in September
Forfar, United Kingdom
- Average pressure in September: 1012.8mbar
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
Forfar, United Kingdom
- Average wind speed in September: 14.8km/h
The windiest month (with the highest average wind speed) is January (19.5km/h).
The calmest month (with the lowest average wind speed) is July (12.1km/h).
Average humidity in September
Forfar, United Kingdom
- Average humidity in September: 86%
The months with the highest relative humidity are November and December (88%).
The months with the lowest relative humidity are April and May (82%).
Average rainfall in September
Forfar, United Kingdom
- Average rainfall in September: 8mm
The wettest month (with the highest rainfall) is August (21mm).
The driest month (with the least rainfall) is April (6mm).
Average rainfall days in September
Forfar, United Kingdom
- Average rainfall days in September: 7 days
The month with the highest number of rainy days is July (12.5 days).
The month with the least rainy days is September (7 days).
Average snowfall in September
Forfar, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is February (15mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Forfar, 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
Forfar, United Kingdom
- Average daylight in September: 12h and 5min
The month with the longest days is June (Average daylight: 17h and 42min).
The month with the shortest days is December (Average daylight: 6h and 54min).
- Average sunshine in September: 6h and 5min
The month with the most sunshine is July (Average sunshine: 7h and 42min).
The months with the least sunshine are February and October (Average sunshine: 4h and 12min).
Average sunshine days in September
Forfar, United Kingdom
- Average sunshine days in September: 17.5 days
The month with the most sunshine days is April (19.6 days).
The month with the least sunshine days is July (12.5 days).
Average UV index in September
Forfar, United Kingdom
- Average UV index in September: 3
The months with the highest UV index are June, July and August (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
Forfar, United Kingdom
- Average cloud cover in September: 53
The month with the most cloud cover is June (Cloud cover 59).
The month with the least cloud cover is April (Cloud cover 51).
Average visibility in September
Forfar, United Kingdom
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, September, October, November and December (9km).
The months with the lowest visibility are June, July and August (8km).
