September weather forecastHartlepool, United Kingdom
September weather for Hartlepool, United Kingdom: September, the first month of the autumn in Hartlepool, is still a refreshing month, with an average temperature ranging between max 16.1°C (61°F) and min 10.7°C (51.3°F). May through September, with an average maximum UV index of 4, are months with the highest UV index in Hartlepool, United Kingdom.
September
Weather in September
September, the first month of the autumn in Hartlepool, is still a refreshing month, with an average temperature ranging between max 16.1°C (61°F) and min 10.7°C (51.3°F).Temperature
September's beginning signals an average high-temperature of a still refreshing 16.1°C (61°F), barely different from August's 18°C (64.4°F). Hartlepool observes an average nighttime low-temperature of 10.7°C (51.3°F) during the month of September.Humidity
The average relative humidity in September in Hartlepool is 82%.Rainfall
In Hartlepool, during September, the rain falls for 14.5 days and regularly aggregates up to 29mm (1.14") of precipitation. Throughout the year, there are 190.7 rainfall days, and 403mm (15.87") of precipitation is accumulated.Snowfall
May through October are months without snowfall in Hartlepool, United Kingdom.Daylight
In September, the average length of the day is 12h and 43min.On the first day of the month, sunrise is at 6:12 am and sunset at 7:56 pm. On the last day of September, sunrise is at 7:06 am and sunset at 6:42 pm BST.
Sunshine
In Hartlepool, the average sunshine in September is 7.7h.UV index
May through September, with an average maximum UV index of 4, are months with the highest UV index. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the average person.Note: In September, the UV index of 4 transforms into the following advice:
Be vigilant - A duty to shield skin and eyes from injury exists. It's recommended to limit sun exposure when its radiation is at its peak during midday. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Hartlepool, United Kingdom
- Average high temperature in September: 16.1°C
The warmest months (with the highest average high temperature) are July and August (18°C).
The month with the lowest average high temperature is January (5.8°C).
- Average low temperature in September: 10.7°C
The month with the highest average low temperature is August (12.4°C).
The coldest month (with the lowest average low temperature) is January (2.5°C).
Average pressure in September
Hartlepool, United Kingdom
- Average pressure in September: 1014.7mbar
The month with the highest atmospheric pressure is May (1016.1mbar).
The month with the lowest atmospheric pressure is November (1008.2mbar).
Average wind speed in September
Hartlepool, United Kingdom
- Average wind speed in September: 16.9km/h
The windiest months (with the highest average wind speed) are January and December (21.7km/h).
The calmest month (with the lowest average wind speed) is June (14.2km/h).
Average humidity in September
Hartlepool, United Kingdom
- Average humidity in September: 82%
The month with the highest relative humidity is December (86%).
The months with the lowest relative humidity are April, May and August (80%).
Average rainfall in September
Hartlepool, United Kingdom
- Average rainfall in September: 29mm
The wettest month (with the highest rainfall) is June (52mm).
The driest month (with the least rainfall) is April (17mm).
Average rainfall days in September
Hartlepool, United Kingdom
- Average rainfall days in September: 14.5 days
The month with the highest number of rainy days is July (20 days).
The month with the least rainy days is April (13 days).
Average snowfall in September
Hartlepool, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is January (24mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Hartlepool, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (3.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Hartlepool, United Kingdom
- Average daylight in September: 12h and 42min
The month with the longest days is June (Average daylight: 17h and 12min).
The month with the shortest days is December (Average daylight: 7h and 18min).
- Average sunshine in September: 7h and 42min
The month with the most sunshine is August (Average sunshine: 8h and 0min).
The month with the least sunshine is February (Average sunshine: 4h and 18min).
Average sunshine days in September
Hartlepool, United Kingdom
- Average sunshine days in September: 11.5 days
The month with the most sunshine days is April (13.4 days).
The month with the least sunshine days is July (8 days).
Average UV index in September
Hartlepool, 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, March, November and December (UV index 2).
Average cloud cover in September
Hartlepool, United Kingdom
- Average cloud cover in September: 47
The months with the most cloud cover are February and November (Cloud cover 57).
The months with the least cloud cover are April and September (Cloud cover 47).
Average visibility in September
Hartlepool, United Kingdom
- Average visibility in September: 9km
The month with the highest visibility is December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October and November (9km).





