Normal weather on 18 September in Grendon
The weather on 18 September in Grendon has an average temperature of about 20°C during the day. The maximum temperature can reach up to 24°C, while the minimum temperature can be 16°C.
On average, 2,3 mm of rain falls in Grendon on 18 September. The wind speed is 4 Beaufort and mainly comes from Southwest.
18 September Averages for Grendon
![]() | 20°C |
![]() | 24°C |
![]() | 16°C |
![]() | 2,3 mm |
![]() | 1 day |
Temperature on 18 September in Grendon per Year
This graph shows the measured temperature on 18 September in Grendon per year, measured in degrees Celsius, over the past years.
Precipitation on 18 September in Grendon per Year
This graph shows the total measured precipitation in millimeters on 18 September in Grendon per year over the past years.
Average weather in Grendon per month
Click on a month below to see in detail how the weather typically is in Grendon and what to expect. Based on the historical weather data of Grendon, you can view the average temperature, precipitation, wind, and UV index for each day of the month.