September weather forecastUpminster, United Kingdom
September weather for Upminster, United Kingdom: In Upminster, United Kingdom, during September, the rain falls for 9.1 days and regularly aggregates up to 18mm (0.71") of precipitation. September, the first month of the autumn in Upminster, is still a refreshing month, with temperature in the range of an average high of 18.9°C (66°F) and an average low of 11.6°C (52.9°F).
September
Weather in September
September, the first month of the autumn in Upminster, is still a refreshing month, with temperature in the range of an average high of 18.9°C (66°F) and an average low of 11.6°C (52.9°F).Temperature
Upminster marks the onset of September with an average high-temperature of an enjoyable 18.9°C (66°F), a subtle shift from August's 21.7°C (71.1°F). Upminster in September anticipates an average nighttime temperature of 11.6°C (52.9°F).Humidity
In Upminster, the average relative humidity in September is 77%.Rainfall
In Upminster, in September, it is raining for 9.1 days, with typically 18mm (0.71") of accumulated precipitation. In Upminster, during the entire year, the rain falls for 150.3 days and collects up to 287mm (11.3") of precipitation.Snowfall
May through October are months without snowfall in Upminster.Daylight
In September, the average length of the day is 12h and 38min.On the first day of September, sunrise is at 6:12 am and sunset at 7:45 pm. On the last day of the month, sunrise is at 6:59 am and sunset at 6:38 pm BST.
Sunshine
In Upminster, United Kingdom, the average sunshine in September is 7.4h.UV index
In Upminster, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum UV index of 4 during September leads to these instructions:
Act with care - The need to guard against sun damage is communicated. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Upminster, United Kingdom
- Average high temperature in September: 18.9°C
The warmest month (with the highest average high temperature) is July (22°C).
The month with the lowest average high temperature is January (6.7°C).
- Average low temperature in September: 11.6°C
The month with the highest average low temperature is August (14°C).
The coldest month (with the lowest average low temperature) is January (2.5°C).
Average pressure in September
Upminster, United Kingdom
- Average pressure in September: 1016.9mbar
The month with the highest atmospheric pressure is September (1016.9mbar).
The month with the lowest atmospheric pressure is November (1010.6mbar).
Average wind speed in September
Upminster, United Kingdom
- Average wind speed in September: 13.1km/h
The windiest month (with the highest average wind speed) is February (17.9km/h).
The calmest month (with the lowest average wind speed) is July (12.9km/h).
Average humidity in September
Upminster, United Kingdom
- Average humidity in September: 77%
The month with the highest relative humidity is December (89%).
The month with the lowest relative humidity is August (73%).
Average rainfall in September
Upminster, United Kingdom
- Average rainfall in September: 18mm
The wettest month (with the highest rainfall) is December (32mm).
The driest month (with the least rainfall) is April (15mm).
Average rainfall days in September
Upminster, United Kingdom
- Average rainfall days in September: 9.1 days
The month with the highest number of rainy days is July (15.8 days).
The month with the least rainy days is September (9.1 days).
Average snowfall in September
Upminster, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is February (21mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Upminster, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3.8 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
Upminster, United Kingdom
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 36min).
The month with the shortest days is December (Average daylight: 7h and 54min).
- Average sunshine in September: 7h and 24min
The months with the most sunshine are July and August (Average sunshine: 8h and 12min).
The month with the least sunshine is February (Average sunshine: 3h and 36min).
Average sunshine days in September
Upminster, United Kingdom
- Average sunshine days in September: 17.8 days
The month with the most sunshine days is September (17.8 days).
The month with the least sunshine days is February (12.2 days).
Average UV index in September
Upminster, United Kingdom
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Upminster, United Kingdom
- Average cloud cover in September: 47
The month with the most cloud cover is February (Cloud cover 61).
The months with the least cloud cover are August and September (Cloud cover 47).
Average visibility in September
Upminster, 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).
