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
Collessie's weather in September, with an average high-temperature of a mild 14.9°C (58.8°F), subtly shifts from August's 16.8°C (62.2°F). During the nights in September, the temperature in Collessie averages to a frosty 9.1°C (48.4°F).Humidity
In September, the average relative humidity is 85%.Rainfall
In Collessie, in September, it is raining for 16.1 days, with typically 36mm (1.42") of accumulated precipitation. Throughout the year, there are 204.2 rainfall days, and 557mm (21.93") of precipitation is accumulated.Snowfall
May through October are months without snowfall in Collessie, United Kingdom.Daylight
In September, the average length of the day in Collessie is 12h and 45min.On the first day of September in Collessie, United Kingdom, sunrise is at 6:17 am and sunset at 8:07 pm. On the last day of the month, sunrise is at 7:14 am and sunset at 6:49 pm BST.
Sunshine
The average sunshine in September in Collessie is 7.1h.UV index
The average daily maximum UV index in September in Collessie is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the average person.Note: The UV index of 3 in September translates into these instructions:
Take precautions. Light skin individuals may get burned in less than 30 minutes. To guard against the harmful effects of the Sun, minimize exposure during midday. 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 are the temperatures in Collessie in September?
What is the average humidity in September in Collessie?
How many days does it rain in September in Collessie?
When it does not snow in Collessie?
What is the average length of the day in September in Collessie?
When are sunrise and sunset in September in Collessie?
How long on average sun shines in September in Collessie?
What is the UV index reading in September in Collessie?
Average temperature in September
Collessie, United Kingdom
- Average high temperature in September: 14.9°C
The warmest month (with the highest average high temperature) is July (16.9°C).
The month with the lowest average high temperature is January (5°C).
- Average low temperature in September: 9.1°C
The month with the highest average low temperature is August (10.6°C).
The coldest months (with the lowest average low temperature) are January and February (1.9°C).
Average pressure in September
Collessie, United Kingdom
- Average pressure in September: 1013.1mbar
The month with the highest atmospheric pressure is May (1015.4mbar).
The month with the lowest atmospheric pressure is November (1006.8mbar).
Average wind speed in September
Collessie, United Kingdom
- Average wind speed in September: 15.1km/h
The windiest month (with the highest average wind speed) is January (19.9km/h).
The calmest month (with the lowest average wind speed) is June (12.5km/h).
Average humidity in September
Collessie, United Kingdom
- Average humidity in September: 85%
The months with the highest relative humidity are November and December (87%).
The month with the lowest relative humidity is April (81%).
Average rainfall in September
Collessie, United Kingdom
- Average rainfall in September: 36mm
The wettest month (with the highest rainfall) is August (72mm).
The driest month (with the least rainfall) is April (25mm).
Average rainfall days in September
Collessie, United Kingdom
- Average rainfall days in September: 16.1 days
The month with the highest number of rainy days is July (23.3 days).
The month with the least rainy days is February (11.8 days).
Average snowfall in September
Collessie, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is February (54mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Collessie, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (4.1 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
Collessie, United Kingdom
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 17h and 36min).
The month with the shortest days is December (Average daylight: 7h and 0min).
- Average sunshine in September: 7h and 1min
The month with the most sunshine is June (Average sunshine: 8h and 0min).
The month with the least sunshine is October (Average sunshine: 4h and 24min).
Average sunshine days in September
Collessie, United Kingdom
- Average sunshine days in September: 9.4 days
The month with the most sunshine days is April (12.8 days).
The month with the least sunshine days is July (4.7 days).
Average UV index in September
Collessie, 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
Collessie, United Kingdom
- Average cloud cover in September: 51
The month with the most cloud cover is June (Cloud cover 56).
The month with the least cloud cover is April (Cloud cover 49).
Average visibility in September
Collessie, United Kingdom
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
