Alton Weather In September 2018

Historical Data for September 2018 in Alton, United States

Temperature	Max	Average	Min
Max Temperature	32.0°C (89.6°F)	26.63°C (79.93°F)	18.0°C (64.4°F)
Avg Temperature	28.0°C (82.4°F)	23.13°C (73.63°F)	14.0°C (57.2°F)
Min Temperature	23.0°C (73.4°F)	18.0°C (64.4°F)	9.0°C (48.2°F)
Dew Point	Max	Average	Min
Dew Point	23.0°C (73.4°F)	17.7°C (63.86°F)	8.0°C (46.4°F)
Precipitation	Max	Average	Min	Sum
Precipitation	27.4mm \| 1.08in	5.57mm \| 0.22in	0.0mm \| 0in	167.1mm \| 6.58in
Snowdepth	0.0mm \| 0in	0.0mm \| 0in	0.0mm \| 0in	0.0mm \| 0in
Wind	Max	Average	Min
Wind	22.0kmh \| 13.67mph	9.77kmh \| 6.07mph	4.0kmh \| 2.49mph
Gust Wind	35.0kmh \| 21.75mph	16.43kmh \| 10.21mph	7.0kmh \| 4.35mph
Sea Level Pressure	Max	Average	Min
Sea Level Pressure	27.4mb	5.57mb	0.0mb

September 2018 Graph

September 2018 - Daily Observations

Time	Temperature	Dew Point	Humidity	Wind Speed	Pressure	Precipitation
September	° C \| ° F	° C \| ° F	%	Kph \| Mph	Hg \| Mb	Total (mm/in)
2018-09-01	27 \| 80.6	22 \| 71.6	82	14 \| 8.7	30.0 \| 1016	3.4 \| 0.13
2018-09-02	27 \| 80.6	22 \| 71.6	82	13 \| 8.08	30.06 \| 1018	16.4 \| 0.65
2018-09-03	28 \| 82.4	23 \| 73.4	83	11 \| 6.84	30.12 \| 1020	22.6 \| 0.89
2018-09-04	28 \| 82.4	22 \| 71.6	78	12 \| 7.46	30.12 \| 1020	1.3 \| 0.05
2018-09-05	28 \| 82.4	22 \| 71.6	78	8 \| 4.97	30.09 \| 1019	11.4 \| 0.45
2018-09-06	26 \| 78.8	22 \| 71.6	85	6 \| 3.73	30.12 \| 1020	15.1 \| 0.59
2018-09-07	23 \| 73.4	21 \| 69.8	93	12 \| 7.46	30.06 \| 1018	19.7 \| 0.78
2018-09-08	18 \| 64.4	17 \| 62.6	93	22 \| 13.67	29.94 \| 1014	8.3 \| 0.33
2018-09-09	17 \| 62.6	15 \| 59.0	89	14 \| 8.7	29.94 \| 1014	1.0 \| 0.04
2018-09-10	20 \| 68.0	15 \| 59.0	82	6 \| 3.73	30.0 \| 1016	0.4 \| 0.02
2018-09-11	22 \| 71.6	16 \| 60.8	76	5 \| 3.11	30.09 \| 1019	0.0 \| 0.0
2018-09-12	22 \| 71.6	16 \| 60.8	80	7 \| 4.35	30.12 \| 1020	0.0 \| 0.0
2018-09-13	24 \| 75.2	18 \| 64.4	79	5 \| 3.11	30.09 \| 1019	0.0 \| 0.0
2018-09-14	26 \| 78.8	20 \| 68.0	77	4 \| 2.49	30.06 \| 1018	1.0 \| 0.04
2018-09-15	26 \| 78.8	20 \| 68.0	77	9 \| 5.59	30.06 \| 1018	0.6 \| 0.02
2018-09-16	27 \| 80.6	21 \| 69.8	80	5 \| 3.11	30.0 \| 1016	11.8 \| 0.46
2018-09-17	28 \| 82.4	21 \| 69.8	73	5 \| 3.11	29.91 \| 1013	2.2 \| 0.09
2018-09-18	28 \| 82.4	21 \| 69.8	70	5 \| 3.11	29.91 \| 1013	3.8 \| 0.15
2018-09-19	28 \| 82.4	22 \| 71.6	78	8 \| 4.97	29.94 \| 1014	27.4 \| 1.08
2018-09-20	28 \| 82.4	22 \| 71.6	75	14 \| 8.7	29.91 \| 1013	11.5 \| 0.45
2018-09-21	23 \| 73.4	18 \| 64.4	75	16 \| 9.94	30.03 \| 1017	2.3 \| 0.09
2018-09-22	17 \| 62.6	11 \| 51.8	73	12 \| 7.46	30.21 \| 1023	0.0 \| 0.0
2018-09-23	19 \| 66.2	14 \| 57.2	81	10 \| 6.21	30.06 \| 1018	0.2 \| 0.01
2018-09-24	22 \| 71.6	19 \| 66.2	89	8 \| 4.97	29.94 \| 1014	2.4 \| 0.09
2018-09-25	24 \| 75.2	20 \| 68.0	85	10 \| 6.21	29.88 \| 1012	2.9 \| 0.11
2018-09-26	16 \| 60.8	10 \| 50.0	72	14 \| 8.7	30.15 \| 1021	1.3 \| 0.05
2018-09-27	18 \| 64.4	8 \| 46.4	59	7 \| 4.35	30.06 \| 1018	0.0 \| 0.0
2018-09-28	18 \| 64.4	9 \| 48.2	65	11 \| 6.84	30.12 \| 1020	0.0 \| 0.0
2018-09-29	14 \| 57.2	8 \| 46.4	71	10 \| 6.21	30.27 \| 1025	0.1 \| 0.0
2018-09-30	22 \| 71.6	16 \| 60.8	77	10 \| 6.21	30.15 \| 1021	0.0 \| 0.0

Prev Month Next Month

Time	Temperature	Dew Point	Humidity	Wind Speed	Pressure	Precipitation
September	° C \| ° F	° C \| ° F	%	Kph \| Mph	Hg \| Mb	Total (mm/in)
2018-09-01	27 \| 80.6	22 \| 71.6	82	14 \| 8.7	30.0 \| 1016	3.4 \| 0.13
2018-09-02	27 \| 80.6	22 \| 71.6	82	13 \| 8.08	30.06 \| 1018	16.4 \| 0.65
2018-09-03	28 \| 82.4	23 \| 73.4	83	11 \| 6.84	30.12 \| 1020	22.6 \| 0.89
2018-09-04	28 \| 82.4	22 \| 71.6	78	12 \| 7.46	30.12 \| 1020	1.3 \| 0.05
2018-09-05	28 \| 82.4	22 \| 71.6	78	8 \| 4.97	30.09 \| 1019	11.4 \| 0.45
2018-09-06	26 \| 78.8	22 \| 71.6	85	6 \| 3.73	30.12 \| 1020	15.1 \| 0.59
2018-09-07	23 \| 73.4	21 \| 69.8	93	12 \| 7.46	30.06 \| 1018	19.7 \| 0.78
2018-09-08	18 \| 64.4	17 \| 62.6	93	22 \| 13.67	29.94 \| 1014	8.3 \| 0.33
2018-09-09	17 \| 62.6	15 \| 59.0	89	14 \| 8.7	29.94 \| 1014	1.0 \| 0.04
2018-09-10	20 \| 68.0	15 \| 59.0	82	6 \| 3.73	30.0 \| 1016	0.4 \| 0.02
2018-09-11	22 \| 71.6	16 \| 60.8	76	5 \| 3.11	30.09 \| 1019	0.0 \| 0.0
2018-09-12	22 \| 71.6	16 \| 60.8	80	7 \| 4.35	30.12 \| 1020	0.0 \| 0.0
2018-09-13	24 \| 75.2	18 \| 64.4	79	5 \| 3.11	30.09 \| 1019	0.0 \| 0.0
2018-09-14	26 \| 78.8	20 \| 68.0	77	4 \| 2.49	30.06 \| 1018	1.0 \| 0.04
2018-09-15	26 \| 78.8	20 \| 68.0	77	9 \| 5.59	30.06 \| 1018	0.6 \| 0.02
2018-09-16	27 \| 80.6	21 \| 69.8	80	5 \| 3.11	30.0 \| 1016	11.8 \| 0.46
2018-09-17	28 \| 82.4	21 \| 69.8	73	5 \| 3.11	29.91 \| 1013	2.2 \| 0.09
2018-09-18	28 \| 82.4	21 \| 69.8	70	5 \| 3.11	29.91 \| 1013	3.8 \| 0.15
2018-09-19	28 \| 82.4	22 \| 71.6	78	8 \| 4.97	29.94 \| 1014	27.4 \| 1.08
2018-09-20	28 \| 82.4	22 \| 71.6	75	14 \| 8.7	29.91 \| 1013	11.5 \| 0.45
2018-09-21	23 \| 73.4	18 \| 64.4	75	16 \| 9.94	30.03 \| 1017	2.3 \| 0.09
2018-09-22	17 \| 62.6	11 \| 51.8	73	12 \| 7.46	30.21 \| 1023	0.0 \| 0.0
2018-09-23	19 \| 66.2	14 \| 57.2	81	10 \| 6.21	30.06 \| 1018	0.2 \| 0.01
2018-09-24	22 \| 71.6	19 \| 66.2	89	8 \| 4.97	29.94 \| 1014	2.4 \| 0.09
2018-09-25	24 \| 75.2	20 \| 68.0	85	10 \| 6.21	29.88 \| 1012	2.9 \| 0.11
2018-09-26	16 \| 60.8	10 \| 50.0	72	14 \| 8.7	30.15 \| 1021	1.3 \| 0.05
2018-09-27	18 \| 64.4	8 \| 46.4	59	7 \| 4.35	30.06 \| 1018	0.0 \| 0.0
2018-09-28	18 \| 64.4	9 \| 48.2	65	11 \| 6.84	30.12 \| 1020	0.0 \| 0.0
2018-09-29	14 \| 57.2	8 \| 46.4	71	10 \| 6.21	30.27 \| 1025	0.1 \| 0.0
2018-09-30	22 \| 71.6	16 \| 60.8	77	10 \| 6.21	30.15 \| 1021	0.0 \| 0.0

Alton Weather In September 2018

September 2018 Graph

September 2018 - Daily Observations

Alton Historical Data