Climate averages 1991–2020
Paisley weather
in September.
A mild, wet month: the 4th warmest and the 4th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
September is a mild month in Paisley: daytime highs average 15.1°C and nights cool to about 9.4°C. By daytime temperature it is the 4th warmest of the 12 months.
Expect about 90 mm of rain on roughly 14 days, which makes September a wet month (the 4th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 49 min on an average September day.
The nearest other city in this atlas is Glasgow (12 km away). In September its highs average 15.1°C, about as warm as Paisley, with 83 mm of rain.
Among the 143 cities listed in the United Kingdom, Paisley ranks joint 139th of 143 for the warmest September highs and 136th of 143 for the driest September (rainfall, lowest first). The mean September high of those 143 cities is 17.3°C; Paisley is 2.2°C cooler than that mean.
From September to October, average highs fall by 3.3°C to 11.8°C, and monthly rainfall rises from 90 mm to 122 mm.
The annual picture
September in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Paisley climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 6.1°C1.8°C | 1.8°C | 125 | 17.5 | 7.78 h |
| February | 6.6°C1.7°C | 1.7°C | 104 | 14.9 | 9.510 h |
| March | 8.2°C2.4°C | 2.4°C | 92 | 14.9 | 11.812 h |
| April | 10.8°C3.9°C | 3.9°C | 77 | 14.1 | 14.114 h |
| May | 13.8°C6.6°C | 6.6°C | 78 | 13.6 | 16.216 h |
| June | 16.0°C9.5°C | 9.5°C | 84 | 14.4 | 17.517 h |
| July | 17.4°C11.3°C | 11.3°C | 92 | 15.7 | 16.917 h |
| August | 17.2°C11.1°C | 11.1°C | 105 | 16.4 | 15.115 h |
| September, selected | 15.1°C9.4°C | 9.4°C | 90 | 14.1 | 12.813 h |
| October | 11.8°C6.7°C | 6.7°C | 122 | 16.1 | 10.510 h |
| November | 8.5°C3.9°C | 3.9°C | 117 | 16.9 | 8.48 h |
| December | 6.2°C1.8°C | 1.8°C | 124 | 16.3 | 7.17 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
September in nearby cities
- Glasgow in SeptemberUnited Kingdom · 12 kmHigh 15.1°C · Low 9.2°C · 83 mm rain
- East Kilbride in SeptemberUnited Kingdom · 18 kmHigh 14.4°C · Low 8.4°C · 83 mm rain
- Edinburgh in SeptemberUnited Kingdom · 78 kmHigh 15.2°C · Low 9.7°C · 59 mm rain
- Dundee, United Kingdom in SeptemberUnited Kingdom · 115 kmHigh 15.1°C · Low 9.1°C · 61 mm rain
- Carlisle in SeptemberUnited Kingdom · 141 kmHigh 15.5°C · Low 9.3°C · 70 mm rain
- Belfast in SeptemberUnited Kingdom · 167 kmHigh 15.7°C · Low 11.3°C · 70 mm rain
- Lisburn in SeptemberUnited Kingdom · 178 kmHigh 15.6°C · Low 10.6°C · 70 mm rain
- Douglas in SeptemberIsle of Man · 187 kmHigh 15.1°C · Low 13.1°C · 85 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Paisley) is explained once on the Paisley year overview and on the Sources, method and limits page.