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Weather in Devon for September 2025

Your guide to Devon weather in September - trends and predictions
  • In general, the average temperature in Devon at the beginning of September is 21.1 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 16.1 °C by the end of September.

  • Expect significant rainfall in Devon during September, with an average of 17 rainy days.

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Average dry days
13
Dry days
Average rainy days
17
Rainy days
Average snowy days
0
Snow days
Average temperatures
20°/12°
Temperatures
Average wind speed
22 km/h
Avg max wind
Average humidity
81 %
Avg humidity

Devon in September average weather

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Temperatures trend during September in Devon

See the weather trend as well as the moving average line

September weather day by day

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Date Weather Temperatures Rain UV More
1 Sept. Overcast
Overcast
21° /12° 1.6 mm 5
2 Sept. Light rain shower
Light rain shower
22° /11° 0.4 mm 5
3 Sept. Sunny
Sunny
21° /11° 0.2 mm 5
4 Sept. Sunny
Sunny
21° /12° 0 mm 5
5 Sept. Sunny
Sunny
21° /11° 6.7 mm 6
6 Sept. Patchy rain possible
Patchy rain possible
20° /14° 12.2 mm 5
7 Sept. Patchy rain possible
Patchy rain possible
22° /14° 3.2 mm 5
8 Sept. Partly cloudy
Partly cloudy
22° /15° 18 mm 6
9 Sept. Partly cloudy
Partly cloudy
21° /13° 0.7 mm 6
10 Sept. Light rain shower
Light rain shower
20° /12° 1.4 mm 5
11 Sept. Light rain shower
Light rain shower
17° /10° 1.5 mm 4
12 Sept. Mist
Mist
16° /8° 0.4 mm 4
13 Sept. Overcast
Overcast
16° /8° 0 mm 4
14 Sept. Cloudy
Cloudy
18° /8° 0 mm 5
15 Sept. Overcast
Overcast
19° /9° 0 mm 5
16 Sept. Patchy rain possible
Patchy rain possible
21° /12° 0.9 mm 5
17 Sept. Light rain shower
Light rain shower
18° /11° 4.8 mm 5
18 Sept. Light rain shower
Light rain shower
20° /11° 1.4 mm 5
19 Sept. Light drizzle
Light drizzle
20° /12° 0.5 mm 5
20 Sept. Light rain shower
Light rain shower
19° /11° 6.9 mm 5
21 Sept. Light rain shower
Light rain shower
17° /9° 6.5 mm 4
22 Sept. Light drizzle
Light drizzle
17° /10° 5.3 mm 4
23 Sept. Overcast
Overcast
16° /9° 0.5 mm 4
24 Sept. Patchy rain possible
Patchy rain possible
17° /12° 1 mm 4
25 Sept. Cloudy
Cloudy
17° /11° 1.6 mm 4
26 Sept. Light drizzle
Light drizzle
17° /11° 3.1 mm 4
27 Sept. Light rain shower
Light rain shower
15° /8° 3.6 mm 4
28 Sept. Patchy rain possible
Patchy rain possible
15° /8° 0.7 mm 4
29 Sept. Cloudy
Cloudy
16° /9° 12.8 mm 4
30 Sept. Overcast
Overcast
16° /9° 1.9 mm 4
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Important Notice
Our weather forecast for Devon 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 Devon forecast closer to your planned date for the most up-to-date weather information.

Devon in September - FAQ

What are the expected maximum and minimum temperatures in Devon during September?
Enjoy moderate daytime temperatures of up to 20° and cooler nights around 12°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Devon during September?
In September, Devon can expect light to moderate rainfall, totaling 44.2 mm across approximately 17 days. Occasional showers are possible, and planning ahead for them could be helpful.
What are the typical wind conditions in Devon during September?
The average wind speed in Devon during September is 22 km/h, suggesting breezy to windy conditions, depending on your activities.
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Location coordinates Where is Devon?

Get accurate weather forecasts for Devon, located at latitude 50.724 and longitude -3.528. Stay updated with localized weather information tailored for Devon.

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