Weather in Devon in September

General weather information about Devon

Average annual temperature is 9.9 °C

Absolute maximum temperature: 37.7 °C

Absolute minimum temperature: -28.6 °C

Number of sunny days: 193 days

Number of rainy days: 139 days

Number of snow days: 33 days

Look at detailed online map of Devon

* Weather data for Devon United States is based on climate observations for 2026 year

Devon air temperature forecast for each month

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Absolute maximum temperature (°C)	6.1	8.7	16.6	26.2	30.6	31.4	32.7	37.7	33.7	30.5	17.3	11.7
Average daytime temperature (°C)	-1.5	1.9	5.5	14.7	23.4	27.8	27.5	28.0	25.2	15.9	8.7	5.0
Average temperature (°C)	-5.3	-4.1	0.2	8.4	16.8	22.0	22.0	22.6	19.4	11.3	3.5	0.8
Average night temperature (°C)	-8.4	-8.5	-3.8	3.3	10.6	16.3	16.6	17.9	14.8	7.5	-0.5	-2.0
Absolute minimum temperature (°C)	-28.6	-26.6	-15.3	-5.2	0.0	8.8	11.3	11.6	7.7	-5.7	-14.2	-8.3

Devon monthly weather indicators

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Daylight maximum duration (h)	9.0	11.0	12.0	14.0	15.0	15.0	15.0	14.0	13.0	11.0	10.0	9.0
Daylight mean duration (h)	9.4	10.5	11.9	13.4	14.7	15.3	15.0	13.9	12.5	11.0	9.7	9.1
Daylight minimum duration (h)	9.0	9.0	11.0	12.0	14.0	15.0	14.0	13.0	11.0	10.0	9.0	8.0
Sunshine mean duration (h)	4.0	6.9	7.0	8.8	11.9	12.4	12.6	11.5	9.6	7.3	7.1	4.3
Precipitation (mm)	52	41	63	73	54	24	62	59	60	71	5	32
Sunny days	19	16	12	16	20	18	10	15	10	16	23	18
Rainy days	5	7	11	11	11	12	21	16	20	12	6	7
Snow days	7	5	8	3	0	0	0	0	0	3	1	6

Devon - weather forecast by months

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Best time to visit Devon:

The best time to visit Devon during the most sunny months:

May — 11.9(h)
June — 12.4(h)
July — 12.6(h)
August — 11.5(h)

Months with the longest average daylight duration in Devon:

June — 15.3(h)

The largest precipitation sum in Devon is at

March — 63(mm)

April — 73(mm)

October — 71(mm)

Weather forecast in the closest to Devon admin centers