Waltham Weather In September 2018
Historical Data for September 2018 in Waltham, United States
| Temperature | Max | Average | Min | |
|---|---|---|---|---|
| Max Temperature | 35.0°C (95.0°F) | 24.53°C (76.15°F) | 15.0°C (59.0°F) | |
| Avg Temperature | 30.0°C (86.0°F) | 21.43°C (70.57°F) | 13.0°C (55.4°F) | |
| Min Temperature | 24.0°C (75.2°F) | 16.73°C (62.11°F) | 11.0°C (51.8°F) | |
| Dew Point | Max | Average | Min | |
| Dew Point | 21.0°C (69.8°F) | 14.7°C (58.46°F) | 6.0°C (42.8°F) | |
| Precipitation | Max | Average | Min | Sum |
| Precipitation | 16.7mm | 0.66in | 2.67mm | 0.11in | 0.0mm | 0in | 80.1mm | 3.15in |
| Snowdepth | 0.0mm | 0in | 0.0mm | 0in | 0.0mm | 0in | 0.0mm | 0in |
| Wind | Max | Average | Min | |
| Wind | 15.0kmh | 9.32mph | 8.7kmh | 5.41mph | 3.0kmh | 1.86mph | |
| Gust Wind | 22.0kmh | 13.67mph | 12.2kmh | 7.58mph | 4.0kmh | 2.49mph | |
| Sea Level Pressure | Max | Average | Min | |
| Sea Level Pressure | 16.7mb | 2.67mb | 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 | 22 | 71.6 | 13 | 55.4 | 64 | 6 | 3.73 | 30.33 | 1027 | 0.0 | 0.0 |
| 2018-09-02 | 26 | 78.8 | 16 | 60.8 | 66 | 8 | 4.97 | 30.24 | 1024 | 0.0 | 0.0 |
| 2018-09-03 | 30 | 86.0 | 21 | 69.8 | 72 | 10 | 6.21 | 30.18 | 1022 | 2.1 | 0.08 |
| 2018-09-04 | 29 | 84.2 | 20 | 68.0 | 68 | 7 | 4.35 | 30.18 | 1022 | 0.4 | 0.02 |
| 2018-09-05 | 29 | 84.2 | 20 | 68.0 | 70 | 8 | 4.97 | 30.21 | 1023 | 0.0 | 0.0 |
| 2018-09-06 | 29 | 84.2 | 21 | 69.8 | 74 | 9 | 5.59 | 30.09 | 1019 | 6.0 | 0.24 |
| 2018-09-07 | 21 | 69.8 | 15 | 59.0 | 68 | 8 | 4.97 | 30.15 | 1021 | 0.5 | 0.02 |
| 2018-09-08 | 20 | 68.0 | 10 | 50.0 | 58 | 8 | 4.97 | 30.15 | 1021 | 0.0 | 0.0 |
| 2018-09-09 | 16 | 60.8 | 6 | 42.8 | 53 | 13 | 8.08 | 30.27 | 1025 | 0.0 | 0.0 |
| 2018-09-10 | 16 | 60.8 | 11 | 51.8 | 74 | 13 | 8.08 | 30.33 | 1027 | 8.2 | 0.32 |
| 2018-09-11 | 24 | 75.2 | 20 | 68.0 | 85 | 5 | 3.11 | 30.15 | 1021 | 5.9 | 0.23 |
| 2018-09-12 | 20 | 68.0 | 19 | 66.2 | 93 | 7 | 4.35 | 30.24 | 1024 | 14.5 | 0.57 |
| 2018-09-13 | 21 | 69.8 | 18 | 64.4 | 88 | 3 | 1.86 | 30.27 | 1025 | 9.1 | 0.36 |
| 2018-09-14 | 22 | 71.6 | 18 | 64.4 | 83 | 4 | 2.49 | 30.24 | 1024 | 0.4 | 0.02 |
| 2018-09-15 | 24 | 75.2 | 18 | 64.4 | 79 | 3 | 1.86 | 30.18 | 1022 | 0.4 | 0.02 |
| 2018-09-16 | 27 | 80.6 | 18 | 64.4 | 72 | 5 | 3.11 | 30.18 | 1022 | 0.0 | 0.0 |
| 2018-09-17 | 25 | 77.0 | 18 | 64.4 | 73 | 10 | 6.21 | 30.06 | 1018 | 0.0 | 0.0 |
| 2018-09-18 | 23 | 73.4 | 20 | 68.0 | 90 | 8 | 4.97 | 29.8 | 1009 | 16.7 | 0.66 |
| 2018-09-19 | 18 | 64.4 | 15 | 59.0 | 81 | 10 | 6.21 | 29.94 | 1014 | 0.1 | 0.0 |
| 2018-09-20 | 17 | 62.6 | 12 | 53.6 | 76 | 9 | 5.59 | 30.21 | 1023 | 0.0 | 0.0 |
| 2018-09-21 | 20 | 68.0 | 13 | 55.4 | 71 | 12 | 7.46 | 30.18 | 1022 | 0.0 | 0.0 |
| 2018-09-22 | 20 | 68.0 | 10 | 50.0 | 55 | 15 | 9.32 | 30.06 | 1018 | 0.1 | 0.0 |
| 2018-09-23 | 19 | 66.2 | 7 | 44.6 | 52 | 5 | 3.11 | 30.24 | 1024 | 0.0 | 0.0 |
| 2018-09-24 | 13 | 55.4 | 7 | 44.6 | 64 | 14 | 8.7 | 30.53 | 1034 | 0.0 | 0.0 |
| 2018-09-25 | 16 | 60.8 | 13 | 55.4 | 85 | 12 | 7.46 | 30.42 | 1030 | 6.8 | 0.27 |
| 2018-09-26 | 25 | 77.0 | 20 | 68.0 | 84 | 15 | 9.32 | 29.97 | 1015 | 5.4 | 0.21 |
| 2018-09-27 | 19 | 66.2 | 11 | 51.8 | 64 | 10 | 6.21 | 30.09 | 1019 | 1.4 | 0.06 |
| 2018-09-28 | 14 | 57.2 | 11 | 51.8 | 80 | 8 | 4.97 | 30.06 | 1018 | 2.1 | 0.08 |
| 2018-09-29 | 20 | 68.0 | 12 | 53.6 | 67 | 8 | 4.97 | 30.15 | 1021 | 0.0 | 0.0 |
| 2018-09-30 | 18 | 64.4 | 8 | 46.4 | 57 | 8 | 4.97 | 30.3 | 1026 | 0.0 | 0.0 |