September weather forecastMerriott, United Kingdom
September
Weather in September
September, the first month of the autumn in Merriott, is also an enjoyable month, with an average temperature varying between 17.1°C (62.8°F) and 12.2°C (54°F).Temperature
September registers an average high-temperature of a still enjoyable 17.1°C (62.8°F), slightly varied from August's 18.6°C (65.5°F). The month of September shows a minor drop from daytime temperatures, generally recording a low average of 12.2°C (54°F).Humidity
In Merriott, the average relative humidity in September is 83%.Rainfall
In September, in Merriott, the rain falls for 12.6 days. Throughout September, 29mm (1.14") of precipitation is accumulated. In Merriott, during the entire year, the rain falls for 180.4 days and collects up to 520mm (20.47") of precipitation.Snowfall
April through November are months without snowfall in Merriott.Daylight
In Merriott, United Kingdom, the average length of the day in September is 12h and 38min.On the first day of the month, sunrise is at 6:25 am and sunset at 7:56 pm. On the last day of September, sunrise is at 7:10 am and sunset at 6:51 pm BST.
Sunshine
In September, the average sunshine in Merriott is 8.1h.UV index
In Merriott, United Kingdom, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the ordinary person.Note: A maximum high daily UV index of 4 during September translates into the following directions:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Merriott, United Kingdom
- Average high temperature in September: 17.1°C
The warmest month (with the highest average high temperature) is July (18.8°C).
The month with the lowest average high temperature is February (8.2°C).
- Average low temperature in September: 12.2°C
The month with the highest average low temperature is August (13.8°C).
The coldest month (with the lowest average low temperature) is February (4.5°C).
Average pressure in September
Merriott, United Kingdom
- Average pressure in September: 1017.2mbar
The month with the highest atmospheric pressure is September (1017.2mbar).
The month with the lowest atmospheric pressure is November (1010.4mbar).
Average wind speed in September
Merriott, United Kingdom
- Average wind speed in September: 18.3km/h
The windiest month (with the highest average wind speed) is December (24.4km/h).
The calmest month (with the lowest average wind speed) is July (16km/h).
Average humidity in September
Merriott, United Kingdom
- Average humidity in September: 83%
The months with the highest relative humidity are January and December (85%).
The month with the lowest relative humidity is April (82%).
Average rainfall in September
Merriott, United Kingdom
- Average rainfall in September: 29mm
The wettest month (with the highest rainfall) is November (67mm).
The driest month (with the least rainfall) is May (27mm).
Average rainfall days in September
Merriott, United Kingdom
- Average rainfall days in September: 12.6 days
The month with the highest number of rainy days is November (17.8 days).
The month with the least rainy days is September (12.6 days).
Average snowfall in September
Merriott, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is January (6mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Merriott, United Kingdom
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (1 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
Merriott, United Kingdom
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 30min).
The month with the shortest days is December (Average daylight: 8h and 0min).
- Average sunshine in September: 8h and 6min
The month with the most sunshine is July (Average sunshine: 9h and 0min).
The months with the least sunshine are January and November (Average sunshine: 4h and 6min).
Average sunshine days in September
Merriott, United Kingdom
- Average sunshine days in September: 14.7 days
The month with the most sunshine days is September (14.7 days).
The month with the least sunshine days is November (8.7 days).
Average UV index in September
Merriott, United Kingdom
- Average UV index in September: 4
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Merriott, United Kingdom
- Average cloud cover in September: 44
The months with the most cloud cover are January, November and December (Cloud cover 57).
The months with the least cloud cover are April and July (Cloud cover 43).
Average visibility in September
Merriott, United Kingdom
- Average visibility in September: 10km
The months with the highest visibility are February, March, April, June, July, August, September, November and December (10km).
The months with the lowest visibility are January, May and October (9km).
