Weather in Glasgow for September 2026
Until now, September 2026 in Glasgow is cooler than usual, with temperatures averaging 14.6 °C, this is 3.6 °C below the typical seasonal average.
Expect cooler weather in the next days in Glasgow with the forecast suggesting a temperature of 14.9 °C, lower than the historical average.
In general, the average temperature in Glasgow at the beginning of September is 18.3 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 14.1 °C by the end of September.
The climate of Glasgow in September is notably wet, with an average of 14 rainy days, and a total of 110 mm of precipitation.
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Glasgow Weather September
Temperatures trend during September in Glasgow
September weather in Glasgow day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Patchy rain possible | 18° /9° | 3.2 mm | 4 | |
| 2 Sept. |  Sunny | 18° /9° | 2.4 mm | 4 | |
| 3 Sept. | Light rain shower | 17° /9° | 6.7 mm | 4 | |
| 4 Sept. | Light rain shower | 17° /9° | 3.2 mm | 4 | |
| 5 Sept. | Patchy rain possible | 19° /9° | 2.3 mm | 4 | |
| 6 Sept. |  Overcast | 19° /11° | 2.6 mm | 4 | |
| 7 Sept. | Patchy rain possible | 20° /12° | 2.9 mm | 4 | |
| 8 Sept. |  Cloudy | 20° /11° | 5 mm | 4 | |
| 9 Sept. | Patchy rain possible | 17° /10° | 4 mm | 4 | |
| 10 Sept. | Light rain shower | 17° /9° | 5.1 mm | 4 | |
| 11 Sept. | Patchy rain possible | 15° /7° | 4.7 mm | 4 | |
| 12 Sept. | Patchy rain possible | 15° /11° | 19.1 mm | 1.6 | |
| 13 Sept. | Overcast | 16° /8° | 0 mm | 2.9 | |
| 14 Sept. | Light rain shower | 19° /11° | 11.1 mm | 1.9 | |
| 15 Sept. | Patchy rain possible | 16° /10° | 8 mm | 3 | |
| 16 Sept. | Sunny | 14° /8° | 0.2 mm | 4 | |
| 17 Sept. | Patchy rain possible | 14° /7° | 0.1 mm | 3 | |
| 18 Sept. | Overcast | 16° /11° | 1.4 mm | 4 | |
| 19 Sept. | Light rain shower | 12° /8° | 13.9 mm | 3 | |
| 20 Sept. | Patchy rain possible | 11° /7° | 7.6 mm | 3 | |
| 21 Sept. | Patchy rain possible | 12° /7° | 3.8 mm | 3 | |
| 22 Sept. |  Mist | 13° /7° | 0 mm | 4 | |
| 23 Sept. | Patchy rain possible | 15° /10° | 5 mm | 3 | |
| 24 Sept. | Patchy rain possible | 16° /10° | 0.9 mm | 4 | |
| 25 Sept. | Mist | 19° /10° | 0 mm | 5 | |
| 26 Sept. | Light rain shower | 13° /6° | 6.2 mm | 3 | |
| 27 Sept. | Patchy rain possible | 12° /6° | 9.9 mm | 3 | |
| 28 Sept. |  Moderate or heavy rain shower | 13° /5° | 3.2 mm | 3 | |
| 29 Sept. | Patchy rain possible | 13° /6° | 0.6 mm | 3 | |
| 30 Sept. | Moderate or heavy rain shower | 13° /7° | 10.3 mm | 3 | |
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Glasgow in September - FAQ
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September rainfall patterns in Glasgow
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