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 advent of September denotes an average high-temperature of a still refreshing 14.1°C (57.4°F), subtly different from August's 16.2°C (61.2°F). In September, the temperature drops to an average of 7.5°C (45.5°F) at night.Humidity
In Denholm, the average relative humidity in September is 90%.Rainfall
In September, in Denholm, the rain falls for 8.1 days. Throughout September, 13mm (0.51") of precipitation is accumulated. Throughout the year, there are 131.9 rainfall days, and 220mm (8.66") of precipitation is accumulated.Snowfall
June through October are months without snowfall in Denholm.Daylight
In Denholm, the average length of the day in September is 12h and 44min.On the first day of September, sunrise is at 6:17 am and sunset at 8:03 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 6:48 pm BST.
Sunshine
The average sunshine in September is 5.3h.UV index
In Denholm, United Kingdom, the average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the ordinary person.Note: During September, 3 as the daily maximum UV index converts into the following advice:
Exercise prevention - Protecting skin and eyes from harm is required. Minimize direct exposure to the Sun during midday when its radiation is at its peak. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in Denholm?
What is the average humidity in September in Denholm?
How many days does it rain in September in Denholm?
When it does not snow in Denholm?
What is the average length of the day in September in Denholm?
What time are sunrise and sunset in September in Denholm?
How long on average sun shines in September in Denholm?
How high is the UV index in September in Denholm?
Average temperature in September
Denholm, United Kingdom
- Average high temperature in September: 14.1°C
The warmest month (with the highest average high temperature) is July (16.7°C).
The month with the lowest average high temperature is January (4°C).
- Average low temperature in September: 7.5°C
The month with the highest average low temperature is July (9.3°C).
The coldest month (with the lowest average low temperature) is January (-0.1°C).
Average pressure in September
Denholm, 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
Denholm, United Kingdom
- Average wind speed in September: 14.7km/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 (12.9km/h).
Average humidity in September
Denholm, United Kingdom
- Average humidity in September: 90%
The months with the highest relative humidity are January, November and December (92%).
The months with the lowest relative humidity are April and May (84%).
Average rainfall in September
Denholm, United Kingdom
- Average rainfall in September: 13mm
The wettest month (with the highest rainfall) is August (28mm).
The driest month (with the least rainfall) is April (9mm).
Average rainfall days in September
Denholm, United Kingdom
- Average rainfall days in September: 8.1 days
The month with the highest number of rainy days is July (16.4 days).
The month with the least rainy days is February (7.8 days).
Average snowfall in September
Denholm, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is February (30mm).
The months with the least snowfall are June, July, August, September and October (0mm).
Average snowfall days in September
Denholm, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (5.3 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
Denholm, United Kingdom
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 17h and 24min).
The month with the shortest days is December (Average daylight: 7h and 12min).
- Average sunshine in September: 5h and 2min
The month with the most sunshine is April (Average sunshine: 6h and 18min).
The month with the least sunshine is October (Average sunshine: 3h and 18min).
Average sunshine days in September
Denholm, United Kingdom
- Average sunshine days in September: 17.3 days
The months with the most sunshine days are September and December (17.3 days).
The month with the least sunshine days is June (9.6 days).
Average UV index in September
Denholm, United Kingdom
- Average UV index in September: 3
The months with the highest UV index are May and July (UV index 4).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
Denholm, United Kingdom
- Average cloud cover in September: 67
The month with the most cloud cover is August (Cloud cover 70).
The month with the least cloud cover is April (Cloud cover 58).
Average visibility in September
Denholm, United Kingdom
- Average visibility in September: 8km
The month with the highest visibility is March (9km).
The month with the lowest visibility is July (7km).
