Weather in Constantine in September

General weather information about Constantine

Average annual temperature is 11.8 °C

Absolute maximum temperature: 35.9 °C

Absolute minimum temperature: -5.8 °C

Number of sunny days: 151 days

Number of rainy days: 211 days

Number of snow days: 3 days

Look at detailed online map of Constantine

* Weather data for Constantine Switzerland is based on climate observations for 2026 year

Constantine air temperature forecast for each month

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Absolute maximum temperature (°C)	13.3	13.7	17.4	19.8	23.6	29.9	34.5	35.9	29.4	24.7	14.3	11.7
Average daytime temperature (°C)	5.3	7.5	10.8	12.3	18.3	25.9	25.3	26.0	23.9	17.9	9.2	7.0
Average temperature (°C)	3.1	3.2	6.6	8.3	13.9	20.4	20.6	21.0	19.0	13.7	6.8	4.4
Average night temperature (°C)	0.9	-0.4	2.4	4.3	9.7	14.8	16.2	16.4	14.5	9.7	4.0	1.9
Absolute minimum temperature (°C)	-5.8	-4.2	-2.8	-1.3	6.7	12.0	11.5	10.9	7.5	5.0	-2.4	-3.9

Constantine 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	8.0
Daylight mean duration (h)	9.0	10.3	11.9	13.6	15.1	15.8	15.4	14.2	12.6	10.9	9.4	8.6
Daylight minimum duration (h)	8.0	9.0	11.0	12.0	14.0	15.0	14.0	13.0	11.0	10.0	8.0	8.0
Sunshine mean duration (h)	2.8	6.8	7.2	8.0	10.3	13.4	12.3	10.5	10.3	7.7	4.0	3.6
Precipitation (mm)	74	12	131	82	83	53	185	110	66	134	264	180
Sunny days	11	17	12	8	10	20	9	14	21	16	4	9
Rainy days	17	11	19	22	21	10	22	17	9	15	26	22
Snow days	3	0	0	0	0	0	0	0	0	0	0	0

Constantine - weather forecast by months

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Best time to visit Constantine:

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

May — 10.3(h)
June — 13.4(h)
July — 12.3(h)
August — 10.5(h)
September — 10.3(h)

Months with the longest average daylight duration in Constantine:

June — 15.8(h)
July — 15.4(h)

The largest precipitation sum in Constantine is at

July — 185(mm)

November — 264(mm)

December — 180(mm)

Weather forecast in the closest to Constantine admin centers