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
Weather in September
Temperature
As Durham transitions into September, the average high-temperature stands at a still refreshing 16.1°C (61°F), offering little variation from the preceding month. September brings an average low-temperature of 9.9°C (49.8°F) to Durham.Humidity
In September, the average relative humidity is 82%.Rainfall
In Durham, in September, it is raining for 13.2 days, with typically 27mm (1.06") of accumulated precipitation. Throughout the year, there are 182.5 rainfall days, and 403mm (15.87") of precipitation is accumulated.Snowfall
In Durham, 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 the month, sunrise is at 6:14 am and sunset at 7:58 pm. On the last day of September, in Durham, United Kingdom, sunrise is at 7:07 am and sunset at 6:44 pm BST.
Sunshine
In Durham, the average sunshine in September is 7.7h.UV index
May through September, with an average maximum UV index of 4, are months with the highest UV index in Durham. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.Note: The UV index of 4 in September translates into these instructions:
Make use of precautions - Suggestions to resist sunburn are communicated. It's recommended to limit sun exposure when its radiation is at its peak during midday. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
Frequently asked questions
What is the temperature in September in Durham?
What is the average humidity in September in Durham?
How many days does it rain in September in Durham?
When it does not snow in Durham?
How many hours of daylight does Durham have in September?
What time are sunrise and sunset in September in Durham?
How many hours of sunshine does Durham have in September?
What is the month with the highest UV index in Durham?
How high is the UV index in September in Durham?
Average temperature in September
Durham, United Kingdom
- Average high temperature in September: 16.1°C
The warmest month (with the highest average high temperature) is July (18.5°C).
The month with the lowest average high temperature is January (5.6°C).
- Average low temperature in September: 9.9°C
The month with the highest average low temperature is August (11.8°C).
The coldest month (with the lowest average low temperature) is January (1.8°C).
Average pressure in September
Durham, United Kingdom
- Average pressure in September: 1014.6mbar
The month with the highest atmospheric pressure is May (1016.1mbar).
The month with the lowest atmospheric pressure is November (1008.1mbar).
Average wind speed in September
Durham, United Kingdom
- Average wind speed in September: 15.2km/h
The windiest month (with the highest average wind speed) is January (19.3km/h).
The calmest month (with the lowest average wind speed) is June (12.9km/h).
Average humidity in September
Durham, United Kingdom
- Average humidity in September: 82%
The month with the highest relative humidity is December (87%).
The month with the lowest relative humidity is April (79%).
Average rainfall in September
Durham, United Kingdom
- Average rainfall in September: 27mm
The wettest month (with the highest rainfall) is June (53mm).
The driest month (with the least rainfall) is April (18mm).
Average rainfall days in September
Durham, United Kingdom
- Average rainfall days in September: 13.2 days
The month with the highest number of rainy days is July (21.3 days).
The month with the least rainy days is February (11.4 days).
Average snowfall in September
Durham, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is January (26mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Durham, 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
Durham, United Kingdom
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 17h and 12min).
The month with the shortest days is December (Average daylight: 7h and 18min).
- Average sunshine in September: 7h and 4min
The month with the most sunshine is August (Average sunshine: 8h and 0min).
The months with the least sunshine are January, February, October and November (Average sunshine: 4h and 30min).
Average sunshine days in September
Durham, United Kingdom
- Average sunshine days in September: 13.6 days
The month with the most sunshine days is December (13.9 days).
The month with the least sunshine days is July (6.5 days).
Average UV index in September
Durham, United Kingdom
- Average UV index in September: 4
The months with the highest UV index are May, June, July, August and September (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
Durham, United Kingdom
- Average cloud cover in September: 47
The month with the most cloud cover is November (Cloud cover 56).
The months with the least cloud cover are April and September (Cloud cover 47).
Average visibility in September
Durham, 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).
Durham, United Kingdom
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