Normal weather in Hertford in September
The weather in Hertford in September has an average temperature of around 20°C during the day. On average, September sees 46 mm of rain in Hertford. The wind speed is 4 Beaufort and mainly comes from South.
After August, September in Hertford starts with a temperature of 21°C and ends around October at 18°C.
September averages for Hertford
![]() | 20°C |
![]() | 22°C |
![]() | 18°C |
![]() | 46 mm |
![]() | 13 days |
Temperature per day in September in Hertford
This graph shows the average daily maximum temperatures in September in Hertford, indicated in degrees Celsius.
Precipitation per day in September in Hertford
This graph shows the average daily precipitation in September in Hertford, indicated in millimeters.
UV index per day in September in Hertford
This graph shows the average daily UV index in September in Hertford.
Yearly temperature in September in Hertford
This graph shows the average yearly temperature in September in Hertford, measured in degrees Celsius, over the past years.
Yearly total precipitation in September in Hertford
This graph shows the average yearly precipitation in millimeters in September in Hertford, over the past years.
Average daily weather in September
Click on a day to get more information about the average weather on that day.
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Average weather in Hertford per month
Click on a month below to see in detail how the weather typically is in Hertford and what to expect. Based on the historical weather data of Hertford, you can view the average temperature, precipitation, wind, and UV index for each day of the month.