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
Irthlingborough records an average high-temperature of an enjoyable 18.1°C (64.6°F) in September, closely mirroring the climate of the previous month. Irthlingborough encounters an average low-temperature of 10.5°C (50.9°F) during September nights.Humidity
In September, the average relative humidity is 80%.Rainfall
In Irthlingborough, in September, it is raining for 10.3 days, with typically 18mm (0.71") of accumulated precipitation. Throughout the year, there are 153.7 rainfall days, and 297mm (11.69") of precipitation is accumulated.Snowfall
May through October are months without snowfall.Daylight
The average length of the day in September is 12h and 40min.On the first day of September in Irthlingborough, sunrise is at 6:14 am and sunset at 7:49 pm. On the last day of the month, sunrise is at 7:02 am and sunset at 6:41 pm BST.
Sunshine
The average sunshine in September is 7h.UV index
The average daily maximum UV index in September in Irthlingborough is 4. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for average individuals.Note: In September, an average UV index of 4 transforms into the following instructions:
Act with care - The need to guard against sun damage is communicated. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September in Irthlingborough?
What is the average humidity in September in Irthlingborough?
How much does it rain in Irthlingborough in September?
When it does not snow in Irthlingborough?
How many hours of daylight does Irthlingborough have in September?
When is the sunrise / sunset in September in Irthlingborough?
How many hours of sunshine does Irthlingborough have in September?
What is the UV index reading in September in Irthlingborough?
Average temperature in September
Irthlingborough, United Kingdom
- Average high temperature in September: 18.1°C
The warmest month (with the highest average high temperature) is July (20.8°C).
The month with the lowest average high temperature is January (6°C).
- Average low temperature in September: 10.5°C
The month with the highest average low temperature is August (12.7°C).
The coldest month (with the lowest average low temperature) is January (1.5°C).
Average pressure in September
Irthlingborough, United Kingdom
- Average pressure in September: 1016.4mbar
The month with the highest atmospheric pressure is May (1016.6mbar).
The month with the lowest atmospheric pressure is November (1010mbar).
Average wind speed in September
Irthlingborough, United Kingdom
- Average wind speed in September: 13.3km/h
The windiest months (with the highest average wind speed) are February and December (18.5km/h).
The calmest month (with the lowest average wind speed) is July (12.8km/h).
Average humidity in September
Irthlingborough, United Kingdom
- Average humidity in September: 80%
The month with the highest relative humidity is December (91%).
The month with the lowest relative humidity is August (78%).
Average rainfall in September
Irthlingborough, United Kingdom
- Average rainfall in September: 18mm
The wettest month (with the highest rainfall) is June (46mm).
The driest month (with the least rainfall) is January (15mm).
Average rainfall days in September
Irthlingborough, United Kingdom
- Average rainfall days in September: 10.3 days
The month with the highest number of rainy days is July (17.6 days).
The month with the least rainy days is February (9.4 days).
Average snowfall in September
Irthlingborough, 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
Irthlingborough, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3.8 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
Irthlingborough, 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 0min
The month with the most sunshine is July (Average sunshine: 7h and 42min).
The month with the least sunshine is February (Average sunshine: 3h and 48min).
Average sunshine days in September
Irthlingborough, United Kingdom
- Average sunshine days in September: 16.5 days
The month with the most sunshine days is January (16.9 days).
The month with the least sunshine days is June (8.6 days).
Average UV index in September
Irthlingborough, 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
Irthlingborough, United Kingdom
- Average cloud cover in September: 50
The month with the most cloud cover is November (Cloud cover 61).
The month with the least cloud cover is September (Cloud cover 50).
Average visibility in September
Irthlingborough, United Kingdom
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, July, August, September, October and December (9km).
The months with the lowest visibility are June and November (8km).
