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
The transition from August to September in Cheshunt sees an average high-temperature of a comfortable 18.6°C (65.5°F), indicating a minor variance from the prior month. Throughout September nights, Cheshunt registers an average low-temperature of 11.1°C (52°F).Humidity
In Cheshunt, the average relative humidity in September is 77%.Rainfall
In Cheshunt, United Kingdom, in September, it is raining for 11.5 days, with typically 22mm (0.87") of accumulated precipitation. Throughout the year, there are 160.4 rainfall days, and 337mm (13.27") of precipitation is accumulated.Snowfall
May through October are months without snowfall in Cheshunt.Daylight
In September, the average length of the day in Cheshunt is 12h and 38min.On the first day of September in Cheshunt, sunrise is at 6:13 am and sunset at 7:46 pm. On the last day of the month, sunrise is at 7:00 am and sunset at 6:39 pm BST.
Sunshine
The average sunshine in September in Cheshunt, United Kingdom, is 7.2h.UV index
In Cheshunt, United Kingdom, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: The average daily UV index of 4 in September transforms into the following instructions:
Act with care - Obligation to protect against skin and eye damage is highlighted. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Frequently asked questions
What are September temperatures in Cheshunt?
What is the average humidity in September in Cheshunt?
How much does it rain in Cheshunt in September?
When it does not snow in Cheshunt?
What is the average length of the day in September in Cheshunt?
When are sunrise and sunset in September in Cheshunt?
How many hours of sunshine does Cheshunt have in September?
How high is the UV index in September in Cheshunt?
Average temperature in September
Cheshunt, United Kingdom
- Average high temperature in September: 18.6°C
The warmest month (with the highest average high temperature) is July (21.7°C).
The month with the lowest average high temperature is January (6.5°C).
- Average low temperature in September: 11.1°C
The month with the highest average low temperature is August (13.8°C).
The coldest month (with the lowest average low temperature) is January (1.8°C).
Average pressure in September
Cheshunt, United Kingdom
- Average pressure in September: 1016.8mbar
The months with the highest atmospheric pressure are May and September (1016.8mbar).
The month with the lowest atmospheric pressure is November (1010.5mbar).
Average wind speed in September
Cheshunt, United Kingdom
- Average wind speed in September: 13km/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 (12.8km/h).
Average humidity in September
Cheshunt, United Kingdom
- Average humidity in September: 77%
The month with the highest relative humidity is December (90%).
The month with the lowest relative humidity is August (74%).
Average rainfall in September
Cheshunt, United Kingdom
- Average rainfall in September: 22mm
The wettest month (with the highest rainfall) is December (39mm).
The driest month (with the least rainfall) is April (19mm).
Average rainfall days in September
Cheshunt, United Kingdom
- Average rainfall days in September: 11.5 days
The month with the highest number of rainy days is July (15.8 days).
The month with the least rainy days is September (11.5 days).
Average snowfall in September
Cheshunt, 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
Cheshunt, United Kingdom
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (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
Cheshunt, 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 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 36min).
Average sunshine days in September
Cheshunt, United Kingdom
- Average sunshine days in September: 15 days
The month with the most sunshine days is September (15 days).
The month with the least sunshine days is February (11.3 days).
Average UV index in September
Cheshunt, 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
Cheshunt, United Kingdom
- Average cloud cover in September: 49
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 49).
Average visibility in September
Cheshunt, United Kingdom
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October and December (9km).
The month with the lowest visibility is November (8km).
Cheshunt, United Kingdom
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