Exeter
September
Weather in Exeter for September 2026
Your guide to Exeter weather in September - trends and predictions
Until now, September 2026 in Exeter has been nearly identical to the historical average, with a temperature of 20.3 °C (showing only a slight deviation of 0.2 °C).
The forecast for the next days in Exeter predicts temperatures to be around 20 °C, close to the historical average.
In general, the average temperature in Exeter at the beginning of September is 21 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 17.4 °C by the end of September.
Exeter experiences heavy rainfall in September, with over 20 rainy days and an average total precipitation 89.2 mm.
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Temperatures
Rain 🌧️
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5
Dry days
25
Rainy days
0
Snow days
18°/10°
Temperatures
23 km/h
Avg max wind
80 %
Avg humidity
Exeter Weather September
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Temperatures trend during September in Exeter
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September weather in Exeter day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Overcast | 21° /11° | 1.6 mm | 4 | |
| 2 Sept. |  Light rain shower | 22° /11° | 3 mm | 4 | |
| 3 Sept. | Overcast | 21° /13° | 3.6 mm | 4 | |
| 4 Sept. |  Sunny | 20° /11° | 1.2 mm | 4 | |
| 5 Sept. | Sunny | 21° /10° | 3.4 mm | 5 | |
| 6 Sept. | Patchy rain possible | 21° /13° | 6.2 mm | 4 | |
| 7 Sept. | Patchy rain possible | 21° /13° | 2.6 mm | 4 | |
| 8 Sept. |  Partly cloudy | 20° /13° | 12.2 mm | 5 | |
| 9 Sept. | Partly cloudy | 19° /11° | 2 mm | 5 | |
| 10 Sept. | Light rain shower | 19° /11° | 1.8 mm | 4 | |
| 11 Sept. | Light rain shower | 17° /10° | 1.9 mm | 4 | |
| 12 Sept. | Sunny | 24° /10° | 0.1 mm | 2.8 | |
| 13 Sept. | Overcast | 23° /14° | 4.9 mm | 4.5 | |
| 14 Sept. |  Mist | 24° /13° | 0.2 mm | 4.4 | |
| 15 Sept. | Sunny | 21° /11° | 0.1 mm | 5 | |
| 16 Sept. | Patchy rain possible | 18° /11° | 0 mm | 5 | |
| 17 Sept. | Patchy rain possible | 17° /9° | 0 mm | 4 | |
| 18 Sept. | Patchy rain possible | 18° /9° | 0.5 mm | 4 | |
| 19 Sept. | Patchy rain possible | 17° /13° | 3.8 mm | 5 | |
| 20 Sept. | Patchy rain possible | 17° /10° | 1.4 mm | 5 | |
| 21 Sept. | Overcast | 17° /12° | 6.6 mm | 5 | |
| 22 Sept. | Patchy rain possible | 20° /13° | 0.8 mm | 4 | |
| 23 Sept. | Sunny | 23° /13° | 0 mm | 6 | |
| 24 Sept. | Overcast | 24° /13° | 0 mm | 5 | |
| 25 Sept. |  Cloudy | 17° /9° | 1.1 mm | 4 | |
| 26 Sept. |  Light drizzle | 17° /9° | 2.1 mm | 4 | |
| 27 Sept. | Light rain shower | 15° /8° | 2.8 mm | 3 | |
| 28 Sept. | Patchy rain possible | 16° /8° | 1.1 mm | 4 | |
| 29 Sept. | Cloudy | 16° /8° | 8.6 mm | 4 | |
| 30 Sept. | Overcast | 17° /8° | 1.3 mm | 4 | |
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Important Notice
Our weather forecast for Exeter 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 Exeter forecast closer to your planned date for the most up-to-date weather information.
Change Month
Exeter in September - FAQ
What are the expected maximum and minimum temperatures in Exeter during September?
Enjoy moderate daytime temperatures of up to 18° and cooler nights around 10°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Exeter during September?
Moderate rainfall is anticipated in Exeter during September, with a total of 89.2 mm spread over approximately 25 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Exeter during September?
The average wind speed in Exeter during September is 23 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Exeter
Explore the daily rainfall trends and prepare for Exeters September weather 💧
Typically, Exeter has 25 rainy days in September with a total of 89.2 mm of rainfall.
UV exposure in Exeter during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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