Weather in Castleton in September

General weather information about Castleton

Average annual temperature is 9.9 °C

Absolute maximum temperature: 26.0 °C

Absolute minimum temperature: -5.3 °C

Number of sunny days: 70 days

Number of rainy days: 290 days

Number of snow days: 5 days

Look at detailed online map of Castleton

* Weather data for Castleton United Kingdom is based on climate observations for 2026 year

Castleton air temperature forecast for each month

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Absolute maximum temperature (°C)	11.2	11.0	14.0	16.2	18.7	26.0	21.2	22.1	24.6	17.5	12.2	12.1
Average daytime temperature (°C)	7.5	8.8	8.4	11.3	14.3	19.8	16.4	17.1	17.0	12.5	8.4	7.5
Average temperature (°C)	5.7	6.9	5.5	8.3	11.4	16.2	14.2	14.6	14.1	10.3	5.9	5.5
Average night temperature (°C)	3.4	4.6	2.2	5.0	8.3	12.3	11.6	12.0	11.0	7.8	3.3	3.4
Absolute minimum temperature (°C)	-2.7	-2.5	-5.3	-1.5	4.1	7.9	8.6	7.9	5.4	1.0	-2.7	-3.6

Castleton monthly weather indicators

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Daylight maximum duration (h)	8.0	10.0	13.0	15.0	17.0	17.0	17.0	16.0	13.0	11.0	9.0	7.0
Daylight mean duration (h)	7.7	9.6	11.9	14.2	16.3	17.5	16.9	15.0	12.8	10.4	8.3	7.1
Daylight minimum duration (h)	7.0	8.0	10.0	13.0	15.0	17.0	16.0	13.0	11.0	9.0	7.0	6.0
Sunshine mean duration (h)	3.0	3.1	6.2	8.5	9.6	12.0	10.6	9.4	7.1	5.1	4.0	2.2
Precipitation (mm)	188	118	162	108	60	97	181	107	178	182	110	252
Sunny days	3	9	7	9	8	9	1	0	5	8	7	4
Rainy days	26	19	23	21	23	21	30	31	25	23	23	25
Snow days	2	0	1	0	0	0	0	0	0	0	0	2

Castleton - weather forecast by months

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Best time to visit Castleton:

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

April — 8.5(h)
May — 9.6(h)
June — 12.0(h)
July — 10.6(h)
August — 9.4(h)

Months with the longest average daylight duration in Castleton:

May — 16.3(h)
June — 17.5(h)
July — 16.9(h)

The largest precipitation sum in Castleton is at

January — 188(mm)

December — 252(mm)

Weather forecast in the closest to Castleton admin centers