17.2, dew 16.2, the overnight low being 16.7.

The downpours and lightning shows seem to be avoiding West Sussex

As I write, we're still a couple of days away from the Equilux which is the actual day in which the days and nights are of equal length but after that, the nights will be longer than the nights and since today also marks the start of astronomical autumn, it's now autumn regardless of how you actually define that.

Meanwhile, our latest permacast hell here in Edinburgh has now gone into its third day and although there isn't any of the dampness or light drizzle which has been around on other recent mornings, today is still once again starting off on yet another dull, overcast and dreary note here with a temperature of around 11°C after an overnight minimum temperature of 11.0°C at Edinburgh Gogarbank, even though yesterday was once again our coldest day of this autumn so far with a maximum temperature of just 13.2°C at Edinburgh Gogarbank.

Lightning and thunder throughout the night last night.

There was some more Thunder and lightning about, between midnight and 1pm, not directly overhead, somewhere off to my west, but close enough to be bright and noisy.

22.3, dew 18.7.

Nights really start tumbling in from this point onwards. I can't wait. 

1.5mm in the bucket this morning, so residuals showers unexpectedly made it this far west with a 7.4mm/h rate recorded sometime overnight. 

3rd day of 13 C

🤢

I'm braving it and walking up the hill for exercise. At least we've lost the drizzle

https://www.eastsidecottages.co.uk/pentland-hills-webcam 

20.0, dew 14.4, the high being 20.4.

Last night's low ended up as 15.4.

16.7c max. 17.8c

1003.3mb falling

38.4mm

https://ukwct.org.uk/weather/23sep.jpg 

Sunny here, a pleasant enough afternoon. 17.3, dew 13.7.

Otherwise known as the 'dewpoint depression', and it went from low to high in your case today. Another clue that the dewpoint depression is high is that common lower stratus/cumulus clouds will be higher based, relatively speaking at least. 

3 out of 4 days completely sunless. 3 out of 4 holiday Mondays completely sunless.

This festering pile of filth had the added bonus of being the coldest September Holiday Monday (which is always the fourth Monday in September) going back to at least 1966 with a diabolical max of only 10.2C which also made it the coldest September day since 2007. The previous coldest Holiday Monday max was 11C in 1974 and 2003.

2024 - the year that keeps on giving.

Currently around 10°C here in Edinburgh.

13.9, dew 13.1, the overnight low being 12.9.

17.8mm of rain in the past 48 hours, FWIW.