Plymouth
September
Weather in Plymouth for September 2027
Your guide to Plymouth weather in September - trends and predictions
In general, the average temperature in Plymouth at the beginning of September is 18.2 °C. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 15.6 °C by the end of September.
The climate of Plymouth in September is notably wet, with an average of 15 rainy days, and a total of 111.8 mm of precipitation.
Is September a good time to visit Plymouth? check out the best time to travel to Plymouth page.
✨ Is September a good time to visit Plymouth? – Ask the AI Weatherman
Temperatures
Rain 🌧️
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15
Dry days
15
Rainy days
0
Snow days
17°/13°
Temperatures
27 km/h
Avg max wind
81 %
Avg humidity
Plymouth Weather September
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Temperatures trend during September in Plymouth
See the weather trend as well as the moving average line
September weather in Plymouth day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Light rain | 18° /14° | 3 mm | 4 | |
| 2 Sept. | Light rain | 18° /14° | 5 mm | 3 | |
| 3 Sept. | Light rain | 18° /15° | 4.9 mm | 4 | |
| 4 Sept. | Light rain | 18° /14° | 2.5 mm | 4 | |
| 5 Sept. | Light rain | 18° /13° | 3.8 mm | 4 | |
| 6 Sept. | Light rain | 19° /15° | 7.1 mm | 4 | |
| 7 Sept. |  Moderate or heavy rain shower | 19° /15° | 7.3 mm | 4 | |
| 8 Sept. |  Moderate rain | 18° /15° | 17.3 mm | 4 | |
| 9 Sept. | Light rain | 18° /14° | 5.6 mm | 5 | |
| 10 Sept. | Light rain | 17° /13° | 3.8 mm | 4 | |
| 11 Sept. |  Patchy rain possible | 17° /13° | 1.5 mm | 3 | |
| 12 Sept. | Patchy rain possible | 16° /11° | 2.3 mm | 3 | |
| 13 Sept. | Patchy rain possible | 16° /12° | 1.5 mm | 3 | |
| 14 Sept. | Patchy rain possible | 17° /13° | 1.9 mm | 4 | |
| 15 Sept. |  Overcast | 17° /13° | 0.7 mm | 4 | |
| 16 Sept. | Patchy rain possible | 17° /14° | 0.4 mm | 4 | |
| 17 Sept. | Light rain | 17° /14° | 2.8 mm | 4 | |
| 18 Sept. | Light rain shower | 18° /14° | 0.6 mm | 4 | |
| 19 Sept. | Light rain shower | 18° /15° | 1.8 mm | 4 | |
| 20 Sept. | Light rain | 17° /14° | 5.1 mm | 3 | |
| 21 Sept. | Light rain | 15° /12° | 5.1 mm | 3 | |
| 22 Sept. | Light rain shower | 15° /12° | 1.9 mm | 3 | |
| 23 Sept. | Patchy rain possible | 16° /11° | 1.7 mm | 3 | |
| 24 Sept. | Patchy rain possible | 17° /12° | 0.9 mm | 3 | |
| 25 Sept. | Patchy rain possible | 16° /12° | 1.9 mm | 3.8 | |
| 26 Sept. | Light rain | 15° /11° | 2.5 mm | 3 | |
| 27 Sept. | Light rain | 15° /12° | 4.3 mm | 3 | |
| 28 Sept. | Light rain shower | 15° /11° | 1 mm | 3 | |
| 29 Sept. | Light rain | 16° /12° | 8.3 mm | 3 | |
| 30 Sept. | Light rain | 16° /12° | 5.3 mm | 3.4 | |
| Next | |||||
Important Notice
Our weather forecast for Plymouth in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Plymouth forecast closer to your planned date for the most up-to-date weather information.
Change Month
Plymouth in September - FAQ
What are the expected maximum and minimum temperatures in Plymouth during September?
Enjoy moderate daytime temperatures of up to 17° and cooler nights around 13°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Plymouth during September?
Significant rainfall exceeding 111.8 mm is expected in Plymouth during September, occurring over more than 15 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Plymouth during September?
The average wind speed in Plymouth during September is 27 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Plymouth
Explore the daily rainfall trends and prepare for Plymouths September weather 💧
Typically, Plymouth has 15 rainy days in September with a total of 111.8 mm of rainfall.
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