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 registers at a comfortable 18.5°C (65.3°F), closely corresponding to the preceding month. During September nights, Little Dunmow witnesses a consistent average temperature of 11.4°C (52.5°F).Humidity
In September, the average relative humidity is 78%.Rainfall
The months with the least rainfall in Little Dunmow are January and September Rain falls for 12.1 days and accumulates 22mm (0.87") of rain.Snowfall
In Little Dunmow, United Kingdom, snow does not fall in April through October.Daylight
The average length of the day in September is 12h and 39min.On the first day of the month, sunrise is at 6:11 am and sunset at 7:45 pm. On the last day of September, in Little Dunmow, sunrise is at 6:58 am and sunset at 6:37 pm BST.
Sunshine
The average sunshine in September is 7.3h.UV index
In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for average individuals.Note: In September, an average UV index of 4 transforms into the following instructions:
Ensure safety - Sun damage prevention is strongly urged. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in Little Dunmow?
What is the average humidity in September in Little Dunmow?
What is the driest month in Little Dunmow?
How much does it rain in Little Dunmow in September?
When it does not snow in Little Dunmow?
What is the average length of the day in September in Little Dunmow?
When is the sunrise / sunset in September in Little Dunmow?
How long on average sun shines in September in Little Dunmow?
How high is the UV index in September in Little Dunmow?
Average temperature in September
Little Dunmow, United Kingdom
- Average high temperature in September: 18.5°C
The warmest month (with the highest average high temperature) is July (21.4°C).
The month with the lowest average high temperature is January (6.3°C).
- Average low temperature in September: 11.4°C
The month with the highest average low temperature is August (13.6°C).
The coldest month (with the lowest average low temperature) is January (1.7°C).
Average pressure in September
Little Dunmow, United Kingdom
- Average pressure in September: 1016.7mbar
The months with the highest atmospheric pressure are May and September (1016.7mbar).
The month with the lowest atmospheric pressure is November (1010.4mbar).
Average wind speed in September
Little Dunmow, United Kingdom
- Average wind speed in September: 13.4km/h
The windiest month (with the highest average wind speed) is February (18.5km/h).
The calmest month (with the lowest average wind speed) is July (12.9km/h).
Average humidity in September
Little Dunmow, 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
Little Dunmow, United Kingdom
- Average rainfall in September: 22mm
The wettest month (with the highest rainfall) is June (48mm).
The driest months (with the least rainfall) are January and September (22mm).
Average rainfall days in September
Little Dunmow, United Kingdom
- Average rainfall days in September: 12.1 days
The month with the highest number of rainy days is July (19.1 days).
The month with the least rainy days is February (10.5 days).
Average snowfall in September
Little Dunmow, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is February (21mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Little Dunmow, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.5 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
Little Dunmow, United Kingdom
- Average daylight in September: 12h and 4min
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 2min
The month with the most sunshine is August (Average sunshine: 8h and 0min).
The month with the least sunshine is February (Average sunshine: 3h and 36min).
Average sunshine days in September
Little Dunmow, United Kingdom
- Average sunshine days in September: 13.8 days
The months with the most sunshine days are January and November (15.4 days).
The month with the least sunshine days is July (8.1 days).
Average UV index in September
Little Dunmow, 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, March, November and December (UV index 2).
Average cloud cover in September
Little Dunmow, United Kingdom
- Average cloud cover in September: 48
The month with the most cloud cover is February (Cloud cover 62).
The months with the least cloud cover are August and September (Cloud cover 48).
Average visibility in September
Little Dunmow, 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).
