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
An average high-temperature of a comfortable 17.5°C (63.5°F) marks September, exhibiting a close resemblance to the conditions in August. An average nighttime temperature of 9.8°C (49.6°F) is observed in Ilmington during September.Humidity
In Ilmington, the average relative humidity in September is 82%.Rainfall
In Ilmington, in September, it is raining for 13.4 days, with typically 34mm (1.34") of accumulated precipitation. In Ilmington, United Kingdom, during the entire year, the rain falls for 198.7 days and collects up to 542mm (21.34") of precipitation.Snowfall
In Ilmington, United Kingdom, snow does not fall in April through November.Daylight
In September, the average length of the day in Ilmington is 12h and 39min.On the first day of September, sunrise is at 6:19 am and sunset at 7:53 pm. On the last day of the month, sunrise is at 7:07 am and sunset at 6:46 pm BST.
Sunshine
In Ilmington, the average sunshine in September is 6.7h.UV index
The months with the highest UV index are May through September, with an average maximum UV index of 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the average person.Note: In September, the maximum UV index of 4 translates into these guidelines:
Heed the precautions - Suggestions to avoid sunburn are made. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Experience reduced UV exposure by about half when donning a wide-brim hat.
Frequently asked questions
What are September temperatures in Ilmington?
What is the average humidity in September in Ilmington?
How much does it rain in Ilmington in September?
When it does not snow in Ilmington?
What is the average length of the day in September in Ilmington?
When are sunrise and sunset in September in Ilmington?
How many hours of sunshine does Ilmington have in September?
What are the months with the highest UV index in Ilmington?
How high is the UV index in September in Ilmington?
Average temperature in September
Ilmington, United Kingdom
- Average high temperature in September: 17.5°C
The warmest month (with the highest average high temperature) is July (20.4°C).
The month with the lowest average high temperature is January (6.1°C).
- Average low temperature in September: 9.8°C
The month with the highest average low temperature is August (12.2°C).
The coldest month (with the lowest average low temperature) is January (1.3°C).
Average pressure in September
Ilmington, United Kingdom
- Average pressure in September: 1016.4mbar
The month with the highest atmospheric pressure is May (1016.5mbar).
The month with the lowest atmospheric pressure is November (1009.9mbar).
Average wind speed in September
Ilmington, United Kingdom
- Average wind speed in September: 13.2km/h
The windiest month (with the highest average wind speed) is February (18.3km/h).
The calmest month (with the lowest average wind speed) is July (12.7km/h).
Average humidity in September
Ilmington, United Kingdom
- Average humidity in September: 82%
The month with the highest relative humidity is December (91%).
The month with the lowest relative humidity is August (80%).
Average rainfall in September
Ilmington, United Kingdom
- Average rainfall in September: 34mm
The wettest month (with the highest rainfall) is June (68mm).
The driest month (with the least rainfall) is April (32mm).
Average rainfall days in September
Ilmington, United Kingdom
- Average rainfall days in September: 13.4 days
The month with the highest number of rainy days is July (21.6 days).
The month with the least rainy days is February (13.2 days).
Average snowfall in September
Ilmington, 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, October and November (0mm).
Average snowfall days in September
Ilmington, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.4 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
Ilmington, 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: 6h and 4min
The month with the most sunshine is July (Average sunshine: 7h and 24min).
The month with the least sunshine is February (Average sunshine: 3h and 42min).
Average sunshine days in September
Ilmington, United Kingdom
- Average sunshine days in September: 13.2 days
The month with the most sunshine days is March (13.8 days).
The month with the least sunshine days is August (6.3 days).
Average UV index in September
Ilmington, United Kingdom
- Average UV index in September: 4
The months with the highest UV index are May, June, July, August and September (UV index 4).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Ilmington, United Kingdom
- Average cloud cover in September: 53
The month with the most cloud cover is November (Cloud cover 63).
The month with the least cloud cover is September (Cloud cover 53).
Average visibility in September
Ilmington, United Kingdom
- Average visibility in September: 8km
The months with the highest visibility are February, March, May and August (9km).
The months with the lowest visibility are January, April, June, July, September, October, November and December (8km).
Ilmington, United Kingdom
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