September 2012 Summary Temperature |
|
---|---|
Mean | 10.2 C |
Mean Maximum | 15.9 C |
Mean Minimum | 5.1 C |
Maximum High | 23.4 C (30th) |
Maximum Low | 11.3 C (2nd) |
Minimum High | 10.0 C (12th) |
Minimum Low | -1.2 C (13th) |
Wind Speed and Direction | |
Maximum Gust | 76 km/h (17th) |
Mean | 7.4 km/h |
Wind Run | 5014 km |
Max Daily Windrun | 364 km (29th) |
Prevailing Direction | East Nth East |
Barometer | |
Maximum | 1033.3 hPa (22nd) |
Minimum | 978.9 hPa (8th) |
Mean | 1010.9 hPa |
Max Daily Change | +24.3 hPa (11th) |
Rainfall | |
Days with Measured Rainfall (Greater than 0.2mm) |
10 |
Max Daily Rainfall | 14.5 mm (17th) |
Monthly Rainfall | 36.0 mm |
Humidity | |
Maximum |
100 % (18th) |
Minimum | 31 % (30th) |
September Daily Observations | ||||||||||||
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Temperature | Wind | Rainfall | Barometer | |||||||||
Date | Min | Max | Mean | Mean (Km/h) | Gust (Km/h) | Run (km) | Prevailing Dir | 10 Minute Max (mm) | Total (mm) | Min (hPa) | Max (hPa) | Change (hPa) |
1 | 8.6 | 19.4 | 12.1 | 8.4 | 28 | 192 | East Nth East | 0 | 0 | 1016.4 | 1020.2 | -3.8 |
Mostly cloudy with mild nor'west winds around the middle of the day changing to cooler NE in the afternoon. | ||||||||||||
2 | 11.3 | 16.5 | 13.7 | 5.9 | 24 | 134 | East Nth East | 0 | 0 | 1006.1 | 1016.3 | -10.2 |
Overcast with NE winds | ||||||||||||
3 | 7.4 | 13.5 | 9.5 | 7.7 | 25 | 147 | South Sth West | 0.5 | 0.5 | 993.3 | 1005.9 | -12.6 |
Overcast with morning mist. A few spots of rain during the day, evening showers. | ||||||||||||
4 | 4.1 | 15.1 | 9.8 | 7.9 | 36 | 139 | South Sth West | 2.0 | 2.5 | 990.1 | 998.4 | +8.3 |
Some cloud but mostly sunny. Evening thunder storm with some 15mm hail here, golf ball size hail reported in other areas of town. | ||||||||||||
5 | 2.0 | 19.9 | 11.4 | 5.6 | 32 | 128 | North Nth West | 0 | 0 | 998.4 | 1003.3 | +4.9 |
Mostly cloudy with some sunny intervals, NE winds turning nor'west from late morning. | ||||||||||||
6 | 10.0 | 20.7 | 15.7 | 9.5 | 40 | 218 | North Nth East | 0 | 0 | 999.0 | 1006.0 | -7.0 |
Overcast with mild north to nor'west winds. | ||||||||||||
7 | 11.2 | 23.1 | 16.6 | 8.8 | 42 | 201 | East Nth East | 0.5 | 1.0 | 996.4 | 999.7 | -3.3 |
Mostly sunny with mild north to nor'west winds from mid morning. Cloud increasing from mid afternoon. | ||||||||||||
8 | 8.8 | 18.9 | 13.6 | 12.1 | 43 | 277 | North Nth West | 0 | 0 | 978.9 | 995.9 | -17.0 |
Variable high cloud. Mild northerly winds turning cooler by late afternoon with a few spots of rain. | ||||||||||||
9 | 3.5 | 16.5 | 10.3 | 6.5 | 41 | 148 | North Nth West | 0 | 0 | 980.9 | 992.2 | +11.3 |
Variable cloud increasing from mid afternoon. Northerly winds turning light southerly in the evening. | ||||||||||||
10 | 2.4 | 17.8 | 10.3 | 8.4 | 54 | 193 | North Nth West | 0 | 0 | 991.1 | 997.4 | -6.3 |
Some high cloud but mostly sunny with gusty nor'west winds in the afternoon. | ||||||||||||
11 | 0.7 | 11.1 | 6.3 | 12.4 | 54 | 281 | South Sth West | 0.5 | 3.0 | 994.4 | 1018.7 | +24.3 |
Sunny for most of the day. Cold southerly winds strengthening in the afternoon with showers, some with hail. | ||||||||||||
12 | -0.2 | 10.0 | 4.6 | 8.2 | 44 | 175 | South Sth West | 1.0 | 12.0 | 1018.8 | 1024.8 | +6.0 |
Dusting of snow on the Port Hills by dawn. Showers clearing in the afternoon along with the cloud and the southerly wind dieing away making a frosty evening. | ||||||||||||
13 | -1.2 | 12.2 | 6.5 | 7.2 | 36 | 166 | East Nth East | 0.5 | 0.5 | 1011.7 | 1021.8 | -10.1 |
Clear and sunny with a fresh cool NE wind. | ||||||||||||
14 | 2.3 | 18.8 | 10.9 | 6.8 | 44 | 155 | East Nth East | 0 | 0 | 1005.7 | 1011.3 | -5.6 |
High cloud increasing and becoming overcast by late afternoon. Mild north to NW winds from late morning. | ||||||||||||
15 | 6.3 | 15.1 | 10.4 | 5.1 | 21 | 114 | South Sth West | 0 | 0 | 1006.8 | 1012.7 | +5.9 |
Cloudy and cool with North to NE winds turning southerly form evening. A few spots of rain and drizzle in the afternoon. | ||||||||||||
16 | 7.6 | 15.1 | 9.8 | 7.0 | 24 | 146 | South Sth West | 0.5 | 0.5 | 1005.0 | 1013.7 | -8.7 |
Morning drizzle clearing and becoming sunny for a while in the afternoon. Cloud increasing again from mid afternoon with southerly winds turning NE. | ||||||||||||
17 | 3.7 | 14.7 | 7.7 | 5.8 | 76 | 129 | South Sth West | 1.5 | 14.5 | 1001.8 | 1018.8 | +17.0 |
Morning fog clearing mid morning then sunny. A strong cold southerly change arriving 4pm with rain and some thunder heard. | ||||||||||||
18 | -0.5 | 12.5 | 6.8 | 6.5 | 33 | 149 | East Nth East | 0 | 0 | 1012.7 | 1018.1 | +3.6 |
Clear and sunny with a cool NE wind. | ||||||||||||
19 | 3.1 | 14.8 | 9.0 | 5.2 | 24 | 119 | East Nth East | 0 | 0 | 1016.4 | 1021.3 | +4.9 |
Sunny with southerly winds turning NE late afternoon. | ||||||||||||
20 | 5.9 | 11.1 | 7.8 | 5.5 | 31 | 125 | South Sth West | 0 | 0 | 1020.4 | 1031.6 | +11.2 |
Overcast with light rain in the morning. Cloud breaking toward evening. Cold southerly winds turning NE in the evening. | ||||||||||||
21 | 3.3 | 12.1 | 7.5 | 4.3 | 23 | 97 | East Nth East | 0 | 0 | 1030.6 | 1032.4 | +1.8 |
Morning cloud breaking to a sunny afternoon with a cool NE wind. | ||||||||||||
22 | 1.5 | 13.5 | 7.8 | 4.1 | 24 | 93 | East Nth East | 0 | 0 | 1030.3 | 1033.3 | -3.0 |
Clear and sunny, light NE winds. | ||||||||||||
23 | 0.8 | 15.4 | 7.5 | 2.8 | 23 | 64 | East Nth East | 0 | 0 | 1027.5 | 1030.7 | -3.2 |
Morning fog. Sunny with a few clouds, light southerly winds turning NE in the afternoon. | ||||||||||||
24 | -0.7 | 12.9 | 7.7 | 9.4 | 46 | 215 | East Nth East | 0 | 0 | 1020.6 | 1027.9 | -7.3 |
Variable cloud but a mostly sunny day with a fresh cool NE wind. | ||||||||||||
25 | 9.3 | 18.2 | 13.1 | 8.3 | 32 | 190 | East Nth East | 0 | 0 | 1011.4 | 1020.4 | -9.0 |
Some cloud but mostly sunny with NE winds, mild in the afternoon | ||||||||||||
26 | 8.8 | 19.2 | 12.1 | 7.8 | 32 | 178 | South Sth West | 0.5 | 1.0 | 1009.3 | 1014.6 | +5.3 |
Mild northerly winds turning cooler southerly by late morning and becoming overcast. Showers from mid afternoon. | ||||||||||||
27 | 7.4 | 16.2 | 10.4 | 4.1 | 25 | 92 | South Sth West | 0.5 | 0.5 | 1014.6 | 1022.7 | +8.1 |
Variable cloud, southerly winds turning NE from mid afternoon with skies clearing. | ||||||||||||
28 | 7.2 | 14.0 | 10.7 | 9.8 | 39 | 224 | East Nth East | 0 | 0 | 1015.5 | 1022.0 | -6.5 |
Morning and evening cloud, mostly sunny day, fresh NE wind. | ||||||||||||
29 | 9.5 | 14.7 | 11.3 | 15.9 | 47 | 364 | East Nth East | 0 | 0 | 1006.2 | 1016.1 | -9.9 |
Variable cloud, fresh cool NE winds. | ||||||||||||
30 | 9.3 | 23.4 | 15.2 | 6.7 | 48 | 147 | East Nth East | 0 | 0 | 997.0 | 1005.7 | -8.7 |
Mostly cloudy with NE winds turning mild nor'west in the afternoon. |