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
September brings an average high-temperature of a still refreshing 17.4°C (63.3°F), showing a slight difference from August's 19.9°C (67.8°F). Throughout the month of September, York observes an average nighttime temperature of 9.7°C (49.5°F).Humidity
In September, the average relative humidity in York is 81%.Rainfall
In York, United Kingdom, in September, during 12.5 rainfall days, 26mm (1.02") of precipitation is typically accumulated. In York, during the entire year, the rain falls for 172.6 days and collects up to 382mm (15.04") of precipitation.Snowfall
May through October are months without snowfall in York.Daylight
The average length of the day in September is 12h and 41min.On the first day of September, sunrise is at 6:13 am and sunset at 7:54 pm. On the last day of the month, sunrise is at 7:05 am and sunset at 6:42 pm BST.
Sunshine
The average sunshine in September in York is 6.9h.UV index
May through September, with an average maximum UV index of 4, are months with the highest UV index in York. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the average person.Note: A typical high UV index of 4 in September suggests the following recommendations:
Exercise prevention - Warding off sunburn is urged. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Data Sources | weather.com | Weather
Published by: Weather Atlas | About Us | Climate & Weather Forecasting
Frequently asked questions
What are September temperatures in York?
What is the average humidity in September in York?
How many days does it rain in September in York?
When it does not snow in York?
What is the average length of the day in September in York?
What time are sunrise and sunset in September in York?
How long on average sun shines in September in York?
What is the month with the highest UV index in York?
What is the UV index intensity in September in York?
Average temperature in September
York, United Kingdom
- Average high temperature in September: 17.4°C
The warmest month (with the highest average high temperature) is July (20°C).
The month with the lowest average high temperature is January (5.7°C).
- Average low temperature in September: 9.7°C
The month with the highest average low temperature is August (12°C).
The coldest month (with the lowest average low temperature) is January (1.3°C).
Average pressure in September
York, United Kingdom
- Average pressure in September: 1015.3mbar
The month with the highest atmospheric pressure is May (1016.2mbar).
The month with the lowest atmospheric pressure is November (1008.8mbar).
Average wind speed in September
York, United Kingdom
- Average wind speed in September: 12.7km/h
The windiest month (with the highest average wind speed) is February (16.4km/h).
The calmest month (with the lowest average wind speed) is June (11.8km/h).
Average humidity in September
York, United Kingdom
- Average humidity in September: 81%
The month with the highest relative humidity is December (90%).
The month with the lowest relative humidity is August (79%).
Average rainfall in September
York, United Kingdom
- Average rainfall in September: 26mm
The wettest month (with the highest rainfall) is June (46mm).
The driest month (with the least rainfall) is April (16mm).
Average rainfall days in September
York, United Kingdom
- Average rainfall days in September: 12.5 days
The month with the highest number of rainy days is July (19.4 days).
The month with the least rainy days is February (11.7 days).
Average snowfall in September
York, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is January (18mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
York, 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
York, United Kingdom
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 17h and 0min).
The month with the shortest days is December (Average daylight: 7h and 30min).
- Average sunshine in September: 6h and 5min
The month with the most sunshine is July (Average sunshine: 7h and 24min).
The months with the least sunshine are February and November (Average sunshine: 3h and 54min).
Average sunshine days in September
York, United Kingdom
- Average sunshine days in September: 13.2 days
The month with the most sunshine days is December (14.6 days).
The month with the least sunshine days is July (9.4 days).
Average UV index in September
York, 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, November and December (UV index 2).
Average cloud cover in September
York, United Kingdom
- Average cloud cover in September: 53
The month with the most cloud cover is November (Cloud cover 62).
The month with the least cloud cover is April (Cloud cover 52).
Average visibility in September
York, United Kingdom
- Average visibility in September: 8km
The months with the highest visibility are February, March, April, May, July and August (9km).
The months with the lowest visibility are January, June, September, October, November and December (8km).
York, United Kingdom
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