Mercer Island Weather In September 2011

Historical Data for September 2011 in Mercer Island, United States

Temperature	Max	Average	Min
Max Temperature	32.0°C (89.6°F)	24.53°C (76.15°F)	14.0°C (57.2°F)
Avg Temperature	26.0°C (78.8°F)	19.5°C (67.1°F)	12.0°C (53.6°F)
Min Temperature	17.0°C (62.6°F)	11.37°C (52.47°F)	6.0°C (42.8°F)
Dew Point	Max	Average	Min
Dew Point	15.0°C (59.0°F)	10.07°C (50.13°F)	6.0°C (42.8°F)
Precipitation	Max	Average	Min	Sum
Precipitation	8.8mm \| 0.35in	0.85mm \| 0.03in	0.0mm \| 0in	25.6mm \| 1.01in
Snowdepth	0.0mm \| 0in	0.0mm \| 0in	0.0mm \| 0in	0.0mm \| 0in
Wind	Max	Average	Min
Wind	10.0kmh \| 6.21mph	6.0kmh \| 3.73mph	3.0kmh \| 1.86mph
Gust Wind	18.0kmh \| 11.18mph	9.83kmh \| 6.11mph	5.0kmh \| 3.11mph
Sea Level Pressure	Max	Average	Min
Sea Level Pressure	8.8mb	0.85mb	0.0mb

September 2011 Graph

September 2011 - Daily Observations

Time	Temperature	Dew Point	Humidity	Wind Speed	Pressure	Precipitation
September	° C \| ° F	° C \| ° F	%	Kph \| Mph	Hg \| Mb	Total (mm/in)
2011-09-01	18 \| 64.4	9 \| 48.2	72	5 \| 3.11	30.12 \| 1020	0.0 \| 0.0
2011-09-02	18 \| 64.4	9 \| 48.2	71	6 \| 3.73	30.18 \| 1022	0.0 \| 0.0
2011-09-03	21 \| 69.8	9 \| 48.2	60	9 \| 5.59	30.12 \| 1020	0.0 \| 0.0
2011-09-04	24 \| 75.2	7 \| 44.6	50	6 \| 3.73	29.94 \| 1014	0.0 \| 0.0
2011-09-05	24 \| 75.2	9 \| 48.2	58	3 \| 1.86	29.94 \| 1014	0.0 \| 0.0
2011-09-06	24 \| 75.2	10 \| 50.0	57	5 \| 3.11	30.12 \| 1020	0.0 \| 0.0
2011-09-07	23 \| 73.4	10 \| 50.0	58	7 \| 4.35	30.12 \| 1020	0.0 \| 0.0
2011-09-08	25 \| 77.0	12 \| 53.6	62	4 \| 2.49	30.15 \| 1021	0.3 \| 0.01
2011-09-09	23 \| 73.4	13 \| 55.4	68	5 \| 3.11	30.15 \| 1021	0.0 \| 0.0
2011-09-10	23 \| 73.4	12 \| 53.6	66	6 \| 3.73	29.97 \| 1015	0.0 \| 0.0
2011-09-11	26 \| 78.8	12 \| 53.6	59	5 \| 3.11	29.88 \| 1012	0.0 \| 0.0
2011-09-12	22 \| 71.6	11 \| 51.8	59	6 \| 3.73	30.06 \| 1018	0.0 \| 0.0
2011-09-13	19 \| 66.2	8 \| 46.4	66	4 \| 2.49	30.12 \| 1020	0.0 \| 0.0
2011-09-14	18 \| 64.4	10 \| 50.0	76	3 \| 1.86	30.0 \| 1016	0.0 \| 0.0
2011-09-15	16 \| 60.8	11 \| 51.8	81	6 \| 3.73	29.94 \| 1014	0.7 \| 0.03
2011-09-16	14 \| 57.2	7 \| 44.6	74	5 \| 3.11	30.0 \| 1016	0.2 \| 0.01
2011-09-17	14 \| 57.2	9 \| 48.2	80	9 \| 5.59	30.03 \| 1017	1.5 \| 0.06
2011-09-18	16 \| 60.8	12 \| 53.6	88	7 \| 4.35	30.09 \| 1019	6.5 \| 0.26
2011-09-19	17 \| 62.6	11 \| 51.8	79	5 \| 3.11	30.15 \| 1021	0.7 \| 0.03
2011-09-20	20 \| 68.0	10 \| 50.0	68	4 \| 2.49	30.09 \| 1019	0.0 \| 0.0
2011-09-21	22 \| 71.6	9 \| 48.2	54	6 \| 3.73	30.0 \| 1016	0.0 \| 0.0
2011-09-22	20 \| 68.0	12 \| 53.6	68	7 \| 4.35	29.97 \| 1015	0.3 \| 0.01
2011-09-23	23 \| 73.4	15 \| 59.0	71	6 \| 3.73	29.97 \| 1015	0.0 \| 0.0
2011-09-24	23 \| 73.4	12 \| 53.6	61	4 \| 2.49	29.77 \| 1008	0.1 \| 0.0
2011-09-25	15 \| 59.0	11 \| 51.8	81	10 \| 6.21	29.83 \| 1010	3.2 \| 0.13
2011-09-26	12 \| 53.6	10 \| 50.0	93	9 \| 5.59	29.91 \| 1013	8.8 \| 0.35
2011-09-27	14 \| 57.2	11 \| 51.8	88	7 \| 4.35	30.12 \| 1020	2.9 \| 0.11
2011-09-28	14 \| 57.2	7 \| 44.6	76	9 \| 5.59	30.3 \| 1026	0.2 \| 0.01
2011-09-29	20 \| 68.0	6 \| 42.8	54	5 \| 3.11	30.0 \| 1016	0.2 \| 0.01
2011-09-30	17 \| 62.6	8 \| 46.4	66	7 \| 4.35	29.88 \| 1012	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)
2011-09-01	18 \| 64.4	9 \| 48.2	72	5 \| 3.11	30.12 \| 1020	0.0 \| 0.0
2011-09-02	18 \| 64.4	9 \| 48.2	71	6 \| 3.73	30.18 \| 1022	0.0 \| 0.0
2011-09-03	21 \| 69.8	9 \| 48.2	60	9 \| 5.59	30.12 \| 1020	0.0 \| 0.0
2011-09-04	24 \| 75.2	7 \| 44.6	50	6 \| 3.73	29.94 \| 1014	0.0 \| 0.0
2011-09-05	24 \| 75.2	9 \| 48.2	58	3 \| 1.86	29.94 \| 1014	0.0 \| 0.0
2011-09-06	24 \| 75.2	10 \| 50.0	57	5 \| 3.11	30.12 \| 1020	0.0 \| 0.0
2011-09-07	23 \| 73.4	10 \| 50.0	58	7 \| 4.35	30.12 \| 1020	0.0 \| 0.0
2011-09-08	25 \| 77.0	12 \| 53.6	62	4 \| 2.49	30.15 \| 1021	0.3 \| 0.01
2011-09-09	23 \| 73.4	13 \| 55.4	68	5 \| 3.11	30.15 \| 1021	0.0 \| 0.0
2011-09-10	23 \| 73.4	12 \| 53.6	66	6 \| 3.73	29.97 \| 1015	0.0 \| 0.0
2011-09-11	26 \| 78.8	12 \| 53.6	59	5 \| 3.11	29.88 \| 1012	0.0 \| 0.0
2011-09-12	22 \| 71.6	11 \| 51.8	59	6 \| 3.73	30.06 \| 1018	0.0 \| 0.0
2011-09-13	19 \| 66.2	8 \| 46.4	66	4 \| 2.49	30.12 \| 1020	0.0 \| 0.0
2011-09-14	18 \| 64.4	10 \| 50.0	76	3 \| 1.86	30.0 \| 1016	0.0 \| 0.0
2011-09-15	16 \| 60.8	11 \| 51.8	81	6 \| 3.73	29.94 \| 1014	0.7 \| 0.03
2011-09-16	14 \| 57.2	7 \| 44.6	74	5 \| 3.11	30.0 \| 1016	0.2 \| 0.01
2011-09-17	14 \| 57.2	9 \| 48.2	80	9 \| 5.59	30.03 \| 1017	1.5 \| 0.06
2011-09-18	16 \| 60.8	12 \| 53.6	88	7 \| 4.35	30.09 \| 1019	6.5 \| 0.26
2011-09-19	17 \| 62.6	11 \| 51.8	79	5 \| 3.11	30.15 \| 1021	0.7 \| 0.03
2011-09-20	20 \| 68.0	10 \| 50.0	68	4 \| 2.49	30.09 \| 1019	0.0 \| 0.0
2011-09-21	22 \| 71.6	9 \| 48.2	54	6 \| 3.73	30.0 \| 1016	0.0 \| 0.0
2011-09-22	20 \| 68.0	12 \| 53.6	68	7 \| 4.35	29.97 \| 1015	0.3 \| 0.01
2011-09-23	23 \| 73.4	15 \| 59.0	71	6 \| 3.73	29.97 \| 1015	0.0 \| 0.0
2011-09-24	23 \| 73.4	12 \| 53.6	61	4 \| 2.49	29.77 \| 1008	0.1 \| 0.0
2011-09-25	15 \| 59.0	11 \| 51.8	81	10 \| 6.21	29.83 \| 1010	3.2 \| 0.13
2011-09-26	12 \| 53.6	10 \| 50.0	93	9 \| 5.59	29.91 \| 1013	8.8 \| 0.35
2011-09-27	14 \| 57.2	11 \| 51.8	88	7 \| 4.35	30.12 \| 1020	2.9 \| 0.11
2011-09-28	14 \| 57.2	7 \| 44.6	76	9 \| 5.59	30.3 \| 1026	0.2 \| 0.01
2011-09-29	20 \| 68.0	6 \| 42.8	54	5 \| 3.11	30.0 \| 1016	0.2 \| 0.01
2011-09-30	17 \| 62.6	8 \| 46.4	66	7 \| 4.35	29.88 \| 1012	0.0 \| 0.0

Mercer Island Weather In September 2011

September 2011 Graph

September 2011 - Daily Observations

Mercer Island Historical Data