St. Johns Weather In September 2018
Historical Data for September 2018 in St. Johns, United States
| Temperature | Max | Average | Min | |
|---|---|---|---|---|
| Max Temperature | 35.0°C (95.0°F) | 23.6°C (74.48°F) | 19.0°C (66.2°F) | |
| Avg Temperature | 27.0°C (80.6°F) | 19.8°C (67.64°F) | 16.0°C (60.8°F) | |
| Min Temperature | 20.0°C (68.0°F) | 13.63°C (56.53°F) | 11.0°C (51.8°F) | |
| Dew Point | Max | Average | Min | |
| Dew Point | 13.0°C (55.4°F) | 9.8°C (49.64°F) | 7.0°C (44.6°F) | |
| Precipitation | Max | Average | Min | Sum |
| Precipitation | 15.1mm | 0.59in | 2.22mm | 0.09in | 0.0mm | 0in | 66.5mm | 2.62in |
| Snowdepth | 0.0mm | 0in | 0.0mm | 0in | 0.0mm | 0in | 0.0mm | 0in |
| Wind | Max | Average | Min | |
| Wind | 11.0kmh | 6.84mph | 5.6kmh | 3.48mph | 2.0kmh | 1.24mph | |
| Gust Wind | 16.0kmh | 9.94mph | 7.6kmh | 4.72mph | 3.0kmh | 1.86mph | |
| Sea Level Pressure | Max | Average | Min | |
| Sea Level Pressure | 15.1mb | 2.22mb | 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 | 20 | 68.0 | 10 | 50.0 | 63 | 6 | 3.73 | 30.09 | 1019 | 0.0 | 0.0 |
| 2018-09-02 | 21 | 69.8 | 10 | 50.0 | 59 | 8 | 4.97 | 30.06 | 1018 | 0.0 | 0.0 |
| 2018-09-03 | 20 | 68.0 | 10 | 50.0 | 63 | 8 | 4.97 | 30.09 | 1019 | 0.0 | 0.0 |
| 2018-09-04 | 22 | 71.6 | 9 | 48.2 | 54 | 8 | 4.97 | 30.03 | 1017 | 0.0 | 0.0 |
| 2018-09-05 | 27 | 80.6 | 8 | 46.4 | 39 | 4 | 2.49 | 29.97 | 1015 | 0.0 | 0.0 |
| 2018-09-06 | 27 | 80.6 | 13 | 55.4 | 49 | 3 | 1.86 | 30.06 | 1018 | 0.0 | 0.0 |
| 2018-09-07 | 23 | 73.4 | 11 | 51.8 | 55 | 5 | 3.11 | 30.09 | 1019 | 0.0 | 0.0 |
| 2018-09-08 | 21 | 69.8 | 11 | 51.8 | 62 | 4 | 2.49 | 30.09 | 1019 | 0.4 | 0.02 |
| 2018-09-09 | 21 | 69.8 | 10 | 50.0 | 59 | 5 | 3.11 | 30.0 | 1016 | 0.0 | 0.0 |
| 2018-09-10 | 19 | 66.2 | 12 | 53.6 | 69 | 6 | 3.73 | 30.03 | 1017 | 4.3 | 0.17 |
| 2018-09-11 | 17 | 62.6 | 11 | 51.8 | 75 | 5 | 3.11 | 29.97 | 1015 | 14.1 | 0.56 |
| 2018-09-12 | 17 | 62.6 | 11 | 51.8 | 77 | 4 | 2.49 | 29.94 | 1014 | 7.8 | 0.31 |
| 2018-09-13 | 17 | 62.6 | 10 | 50.0 | 73 | 5 | 3.11 | 29.97 | 1015 | 4.8 | 0.19 |
| 2018-09-14 | 18 | 64.4 | 10 | 50.0 | 69 | 3 | 1.86 | 29.97 | 1015 | 1.0 | 0.04 |
| 2018-09-15 | 16 | 60.8 | 10 | 50.0 | 71 | 5 | 3.11 | 29.88 | 1012 | 4.5 | 0.18 |
| 2018-09-16 | 16 | 60.8 | 10 | 50.0 | 71 | 11 | 6.84 | 30.0 | 1016 | 15.1 | 0.59 |
| 2018-09-17 | 17 | 62.6 | 7 | 44.6 | 62 | 7 | 4.35 | 30.09 | 1019 | 0.0 | 0.0 |
| 2018-09-18 | 17 | 62.6 | 8 | 46.4 | 62 | 6 | 3.73 | 30.06 | 1018 | 0.0 | 0.0 |
| 2018-09-19 | 19 | 66.2 | 8 | 46.4 | 62 | 4 | 2.49 | 30.09 | 1019 | 0.0 | 0.0 |
| 2018-09-20 | 19 | 66.2 | 9 | 48.2 | 64 | 2 | 1.24 | 30.12 | 1020 | 0.1 | 0.0 |
| 2018-09-21 | 20 | 68.0 | 10 | 50.0 | 63 | 5 | 3.11 | 29.97 | 1015 | 0.0 | 0.0 |
| 2018-09-22 | 18 | 64.4 | 12 | 53.6 | 73 | 11 | 6.84 | 30.0 | 1016 | 12.6 | 0.5 |
| 2018-09-23 | 17 | 62.6 | 8 | 46.4 | 67 | 5 | 3.11 | 30.15 | 1021 | 0.4 | 0.02 |
| 2018-09-24 | 18 | 64.4 | 8 | 46.4 | 63 | 7 | 4.35 | 30.21 | 1023 | 0.0 | 0.0 |
| 2018-09-25 | 20 | 68.0 | 7 | 44.6 | 50 | 8 | 4.97 | 30.21 | 1023 | 0.0 | 0.0 |
| 2018-09-26 | 23 | 73.4 | 8 | 46.4 | 47 | 6 | 3.73 | 30.12 | 1020 | 0.0 | 0.0 |
| 2018-09-27 | 25 | 77.0 | 11 | 51.8 | 50 | 4 | 2.49 | 29.97 | 1015 | 0.0 | 0.0 |
| 2018-09-28 | 25 | 77.0 | 11 | 51.8 | 45 | 3 | 1.86 | 29.83 | 1010 | 0.0 | 0.0 |
| 2018-09-29 | 17 | 62.6 | 11 | 51.8 | 69 | 4 | 2.49 | 29.8 | 1009 | 0.3 | 0.01 |
| 2018-09-30 | 17 | 62.6 | 10 | 50.0 | 67 | 6 | 3.73 | 29.88 | 1012 | 1.1 | 0.04 |