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
Upon the beginning of September, Norwich's high-temperatures register at an enjoyable 17.9°C (64.2°F), closely mirroring the preceding month. September's average low-temperature reading in Norwich, United Kingdom, settles at a fresh 12.4°C (54.3°F).Humidity
In September, the average relative humidity in Norwich is 78%.Rainfall
In September, the rain falls for 12.3 days. Throughout September, 21mm (0.83") of precipitation is accumulated. Throughout the year, in Norwich, there are 169.3 rainfall days, and 297mm (11.69") of precipitation is accumulated.Snowfall
April through October are months without snowfall.Daylight
In Norwich, United Kingdom, the average length of the day in September is 12h and 40min.On the first day of the month, sunrise is at 6:06 am and sunset at 7:42 pm. On the last day of September, in Norwich, sunrise is at 6:55 am and sunset at 6:33 pm BST.
Sunshine
The average sunshine in September in Norwich is 7.8h.UV index
In Norwich, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: The UV index of 4 during September translates into the following guidance:
Take precautions - Protection against skin and eye damage is obliged. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Frequently asked questions
What are the temperatures in Norwich in September?
What is the average humidity in September in Norwich?
How many days does it rain in September in Norwich?
When it does not snow in Norwich?
What is the average length of the day in September in Norwich?
When are sunrise and sunset in September in Norwich?
How long on average sun shines in September in Norwich?
What is the UV index reading in September in Norwich?
Average temperature in September
Norwich, United Kingdom
- Average high temperature in September: 17.9°C
The warmest month (with the highest average high temperature) is August (20.3°C).
The month with the lowest average high temperature is January (6.4°C).
- Average low temperature in September: 12.4°C
The month with the highest average low temperature is August (14.4°C).
The coldest month (with the lowest average low temperature) is January (2.9°C).
Average pressure in September
Norwich, United Kingdom
- Average pressure in September: 1016.3mbar
The month with the highest atmospheric pressure is May (1016.5mbar).
The month with the lowest atmospheric pressure is November (1010mbar).
Average wind speed in September
Norwich, United Kingdom
- Average wind speed in September: 16.2km/h
The windiest month (with the highest average wind speed) is December (22.2km/h).
The calmest month (with the lowest average wind speed) is July (14.5km/h).
Average humidity in September
Norwich, United Kingdom
- Average humidity in September: 78%
The months with the highest relative humidity are January and December (86%).
The month with the lowest relative humidity is August (76%).
Average rainfall in September
Norwich, United Kingdom
- Average rainfall in September: 21mm
The wettest month (with the highest rainfall) is October (33mm).
The driest month (with the least rainfall) is April (13mm).
Average rainfall days in September
Norwich, United Kingdom
- Average rainfall days in September: 12.3 days
The month with the highest number of rainy days is July (17 days).
The month with the least rainy days is February (11.6 days).
Average snowfall in September
Norwich, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is January (17mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Norwich, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (4.4 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
Norwich, United Kingdom
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 48min).
The month with the shortest days is December (Average daylight: 7h and 42min).
- Average sunshine in September: 7h and 5min
The month with the most sunshine is August (Average sunshine: 9h and 0min).
The month with the least sunshine is February (Average sunshine: 3h and 54min).
Average sunshine days in September
Norwich, United Kingdom
- Average sunshine days in September: 14.1 days
The month with the most sunshine days is April (15.1 days).
The month with the least sunshine days is July (10.6 days).
Average UV index in September
Norwich, United Kingdom
- Average UV index in September: 4
The months with the highest UV index are June and 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
Norwich, United Kingdom
- Average cloud cover in September: 43
The months with the most cloud cover are January and February (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 42).
Average visibility in September
Norwich, United Kingdom
- Average visibility in September: 10km
The months with the highest visibility are March, April, May, August, September, October and November (10km).
The months with the lowest visibility are January, February, June, July and December (9km).
Norwich, United Kingdom
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