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 average high-temperature during September is a refreshing 18.5°C (65.3°F), almost matching the conditions of the preceding month. In September, the temperature drops to an average of 11.5°C (52.7°F) at night.Humidity
In Great Shelford, the average relative humidity in September is 78%.Rainfall
In Great Shelford, in September, it is raining for 11.5 days, with typically 22mm (0.87") of accumulated precipitation. In Great Shelford, during the entire year, the rain falls for 173.6 days and collects up to 381mm (15") of precipitation.Snowfall
In Great Shelford, snow does not fall in April through October.Daylight
In September, the average length of the day is 12h and 39min.On the first day of September, sunrise is at 6:11 am and sunset at 7:46 pm. On the last day of the month, sunrise is at 6:59 am and sunset at 6:38 pm BST.
Sunshine
In Great Shelford, United Kingdom, the average sunshine in September is 7.1h.UV index
The average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: In September, the maximum UV index of 4 transforms into these recommendations:
Undertake protective steps - Preventing sun damage is advised. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Boost your sun resistance with garments that are densely woven yet spacious.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in September?
What is the average humidity in September?
How many days does it rain in September?
When it does not snow?
What is the average length of the day in September?
When are sunrise and sunset in September?
How long on average sun shines in September in Great Shelford?
What is the UV index reading in September?
Average temperature in September
Great Shelford, United Kingdom
- Average high temperature in September: 18.5°C
The warmest months (with the highest average high temperature) are July and August (21.3°C).
The month with the lowest average high temperature is January (5.9°C).
- Average low temperature in September: 11.5°C
The month with the highest average low temperature is August (13.5°C).
The coldest month (with the lowest average low temperature) is January (1.7°C).
Average pressure in September
Great Shelford, United Kingdom
- Average pressure in September: 1016.5mbar
The month with the highest atmospheric pressure is May (1016.6mbar).
The month with the lowest atmospheric pressure is November (1010.2mbar).
Average wind speed in September
Great Shelford, United Kingdom
- Average wind speed in September: 13.4km/h
The windiest month (with the highest average wind speed) is December (18.5km/h).
The calmest month (with the lowest average wind speed) is July (12.7km/h).
Average humidity in September
Great Shelford, United Kingdom
- Average humidity in September: 78%
The month with the highest relative humidity is December (90%).
The month with the lowest relative humidity is August (75%).
Average rainfall in September
Great Shelford, United Kingdom
- Average rainfall in September: 22mm
The wettest month (with the highest rainfall) is June (48mm).
The driest month (with the least rainfall) is April (20mm).
Average rainfall days in September
Great Shelford, United Kingdom
- Average rainfall days in September: 11.5 days
The month with the highest number of rainy days is July (19.6 days).
The month with the least rainy days is September (11.5 days).
Average snowfall in September
Great Shelford, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is February (23mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Great Shelford, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3.3 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
Great Shelford, United Kingdom
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 42min).
The month with the shortest days is December (Average daylight: 7h and 48min).
- Average sunshine in September: 7h and 1min
The month with the most sunshine is August (Average sunshine: 8h and 6min).
The month with the least sunshine is February (Average sunshine: 3h and 42min).
Average sunshine days in September
Great Shelford, United Kingdom
- Average sunshine days in September: 15 days
The month with the most sunshine days is October (15.5 days).
The month with the least sunshine days is June (8.1 days).
Average UV index in September
Great Shelford, 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
Great Shelford, United Kingdom
- Average cloud cover in September: 48
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 48).
Average visibility in September
Great Shelford, 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).
