September history in Split

Croatia · Compare three complete years with the current year to date.

Month

Year

Mean air temperature

25°C

Mean daytime air temperature

26°C

Mean nighttime air temperature

24°C

Maximum air temperature

34°C

Minimum air temperature

16°C

Total precipitation

4.8 mm

Sunny days

Mean sea temperature

26.5°C

Minimum sea temperature

23.9°C

Maximum sea temperature

28.5°C

Maximum wind speed

25.0 km/h

Air temperature (°C)

Daily minimum, mean and maximum

Date	Mean (°C)	Maximum (°C)	Minimum (°C)
2026-09-01	29	33	27
2026-09-02	29	32	27
2026-09-03	30	34	27
2026-09-04	30	33	27
2026-09-05	29	33	26
2026-09-06	30	33	27
2026-09-07	29	32	27
2026-09-08	28	31	26
2026-09-09	27	31	25
2026-09-10	28	31	26
2026-09-11	26	29	23
2026-09-12	25	28	22
2026-09-13	24	29	21
2026-09-14	24	27	22
2026-09-15	25	29	22
2026-09-16	25	28	22
2026-09-17	24	28	22
2026-09-18	25	28	23
2026-09-19	25	27	23
2026-09-20	25	28	23
2026-09-21	25	30	22
2026-09-22	21	24	18
2026-09-23	20	23	16
2026-09-24	20	23	17
2026-09-25	19	22	16
2026-09-26	20	25	17
2026-09-27	22	25	19
2026-09-28	22	25	19
2026-09-29	23	26	20
2026-09-30	23	26	21

Sea temperature (°C)

Daily sea-surface mean

Date	Sea temperature (°C)
2026-09-01	28.2
2026-09-02	27.9
2026-09-03	27.8
2026-09-04	27.7
2026-09-05	27.6
2026-09-06	27.6
2026-09-07	27.6
2026-09-08	27.6
2026-09-09	27.5
2026-09-10	27.5
2026-09-11	27.3
2026-09-12	27.1
2026-09-13	26.8
2026-09-14	26.6
2026-09-15	26.4
2026-09-16	26.2
2026-09-17	26.1
2026-09-18	26.1
2026-09-19	26.1
2026-09-20	26.0
2026-09-21	25.8
2026-09-22	25.4
2026-09-23	24.9
2026-09-24	24.5
2026-09-25	24.3
2026-09-26	24.1
2026-09-27	24.0
2026-09-28	—
2026-09-29	—
2026-09-30	—

Wave height (m)

Daily mean wave height

Date	Wave height (m)
2026-09-01	0.1
2026-09-02	0.1
2026-09-03	0.3
2026-09-04	0.2
2026-09-05	0.1
2026-09-06	0.1
2026-09-07	0.1
2026-09-08	0.0
2026-09-09	0.1
2026-09-10	0.1
2026-09-11	0.3
2026-09-12	0.3
2026-09-13	0.2
2026-09-14	0.2
2026-09-15	0.2
2026-09-16	0.1
2026-09-17	0.1
2026-09-18	0.1
2026-09-19	0.1
2026-09-20	0.1
2026-09-21	0.2
2026-09-22	0.3
2026-09-23	0.2
2026-09-24	0.1
2026-09-25	0.1
2026-09-26	0.1
2026-09-27	0.1
2026-09-28	—
2026-09-29	—
2026-09-30	—

Precipitation (mm)

Daily precipitation total

Date	Precipitation (mm)
2026-09-01	0.0
2026-09-02	0.0
2026-09-03	0.0
2026-09-04	0.0
2026-09-05	0.0
2026-09-06	0.0
2026-09-07	0.0
2026-09-08	0.0
2026-09-09	0.0
2026-09-10	0.0
2026-09-11	1.4
2026-09-12	0.0
2026-09-13	0.0
2026-09-14	0.0
2026-09-15	0.0
2026-09-16	0.0
2026-09-17	0.0
2026-09-18	0.0
2026-09-19	0.0
2026-09-20	0.0
2026-09-21	0.0
2026-09-22	0.0
2026-09-23	0.0
2026-09-24	0.0
2026-09-25	3.4
2026-09-26	0.0
2026-09-27	0.0
2026-09-28	0.0
2026-09-29	0.0
2026-09-30	0.0

Sunshine duration (h)

WMO-defined direct sunshine hours

Date	Sunshine (h)
2026-09-01	12.0
2026-09-02	12.0
2026-09-03	12.0
2026-09-04	12.0
2026-09-05	12.0
2026-09-06	12.0
2026-09-07	12.0
2026-09-08	12.0
2026-09-09	8.9
2026-09-10	10.1
2026-09-11	6.0
2026-09-12	11.6
2026-09-13	12.0
2026-09-14	7.0
2026-09-15	11.9
2026-09-16	11.7
2026-09-17	11.0
2026-09-18	10.7
2026-09-19	6.5
2026-09-20	11.4
2026-09-21	7.1
2026-09-22	11.4
2026-09-23	11.3
2026-09-24	10.7
2026-09-25	11.2
2026-09-26	11.1
2026-09-27	11.0
2026-09-28	11.0
2026-09-29	11.0
2026-09-30	11.0

Humidity (%)

Daily mean relative humidity

Date	Humidity (%)
2026-09-01	46.0
2026-09-02	46.0
2026-09-03	38.0
2026-09-04	32.0
2026-09-05	38.0
2026-09-06	38.0
2026-09-07	43.0
2026-09-08	49.0
2026-09-09	59.0
2026-09-10	57.0
2026-09-11	68.0
2026-09-12	46.0
2026-09-13	38.0
2026-09-14	45.0
2026-09-15	47.0
2026-09-16	53.0
2026-09-17	61.0
2026-09-18	66.0
2026-09-19	64.0
2026-09-20	58.0
2026-09-21	50.0
2026-09-22	37.0
2026-09-23	43.0
2026-09-24	44.0
2026-09-25	50.0
2026-09-26	45.0
2026-09-27	46.0
2026-09-28	50.0
2026-09-29	41.0
2026-09-30	39.0

Wind (km/h)

Daily maximum wind speed

Date	Maximum wind (km/h)
2026-09-01	17.3
2026-09-02	15.5
2026-09-03	15.0
2026-09-04	21.1
2026-09-05	11.5
2026-09-06	18.2
2026-09-07	13.3
2026-09-08	10.0
2026-09-09	9.6
2026-09-10	16.8
2026-09-11	23.4
2026-09-12	20.9
2026-09-13	15.3
2026-09-14	13.4
2026-09-15	17.9
2026-09-16	11.9
2026-09-17	12.6
2026-09-18	8.8
2026-09-19	12.5
2026-09-20	13.7
2026-09-21	17.1
2026-09-22	25.0
2026-09-23	20.0
2026-09-24	10.4
2026-09-25	24.8
2026-09-26	14.1
2026-09-27	13.4
2026-09-28	13.0
2026-09-29	16.5
2026-09-30	16.1

Daily weather values

Source values for September 2026; unavailable readings are shown as gaps.

Date	Conditions	Min / max (°C)	Sea (°C)	Waves (m)	Rain (mm)	Sun (h)	Humidity (%)	Wind (km/h)
2026-09-01	Clear sky	27 / 33	28.2	0.1	0.0	12.0	46.0	17.3
2026-09-02	Overcast	27 / 32	27.9	0.1	0.0	12.0	46.0	15.5
2026-09-03	Partly cloudy	27 / 34	27.8	0.3	0.0	12.0	38.0	15.0
2026-09-04	Partly cloudy	27 / 33	27.7	0.2	0.0	12.0	32.0	21.1
2026-09-05	Mostly clear	26 / 33	27.6	0.1	0.0	12.0	38.0	11.5
2026-09-06	Clear sky	27 / 33	27.6	0.1	0.0	12.0	38.0	18.2
2026-09-07	Clear sky	27 / 32	27.6	0.1	0.0	12.0	43.0	13.3
2026-09-08	Partly cloudy	26 / 31	27.6	0.0	0.0	12.0	49.0	10.0
2026-09-09	Overcast	25 / 31	27.5	0.1	0.0	8.9	59.0	9.6
2026-09-10	Overcast	26 / 31	27.5	0.1	0.0	10.1	57.0	16.8
2026-09-11	Rain showers	23 / 29	27.3	0.3	1.4	6.0	68.0	23.4
2026-09-12	Partly cloudy	22 / 28	27.1	0.3	0.0	11.6	46.0	20.9
2026-09-13	Overcast	21 / 29	26.8	0.2	0.0	12.0	38.0	15.3
2026-09-14	Overcast	22 / 27	26.6	0.2	0.0	7.0	45.0	13.4
2026-09-15	Mostly clear	22 / 29	26.4	0.2	0.0	11.9	47.0	17.9
2026-09-16	Clear sky	22 / 28	26.2	0.1	0.0	11.7	53.0	11.9
2026-09-17	Overcast	22 / 28	26.1	0.1	0.0	11.0	61.0	12.6
2026-09-18	Overcast	23 / 28	26.1	0.1	0.0	10.7	66.0	8.8
2026-09-19	Overcast	23 / 27	26.1	0.1	0.0	6.5	64.0	12.5
2026-09-20	Clear sky	23 / 28	26.0	0.1	0.0	11.4	58.0	13.7
2026-09-21	Overcast	22 / 30	25.8	0.2	0.0	7.1	50.0	17.1
2026-09-22	Overcast	18 / 24	25.4	0.3	0.0	11.4	37.0	25.0
2026-09-23	Mostly clear	16 / 23	24.9	0.2	0.0	11.3	43.0	20.0
2026-09-24	Overcast	17 / 23	24.5	0.1	0.0	10.7	44.0	10.4
2026-09-25	Rain	16 / 22	24.3	0.1	3.4	11.2	50.0	24.8
2026-09-26	Clear sky	17 / 25	24.1	0.1	0.0	11.1	45.0	14.1
2026-09-27	Clear sky	19 / 25	24.0	0.1	0.0	11.0	46.0	13.4
2026-09-28	Clear sky	19 / 25	—	—	0.0	11.0	50.0	13.0
2026-09-29	Partly cloudy	20 / 26	—	—	0.0	11.0	41.0	16.5
2026-09-30	Clear sky	21 / 26	—	—	0.0	11.0	39.0	16.1