September was the coldest in 14 years and the 3rd wettest.
- September was well below my average temperature of 9.8C with 8.5C.
- The warmest September is 2002 and 2006 with 11.1C, the coolest 2001 with 8.3C.
- The coldest temperature was -2.3C. The lowest September temperature I've recorded was in 2000 and 2007 with -3.1C.
- Two air frosts were recorded (Air temperature at or below 0), my average is 3.
- Three days failed to reach 10C, my average is 2.
- Eleven days reached or exceed 15C, my average is 16.
- Three days reached or exceeded 20C, my average is 5.
- Wind run was 93% of my average of 4714km with 4404km.
- The barometer recorded above average pressure for the month with 1014.1hPa. My average is 1011.2hPa.
- Rainfall was 159% of my average expected rainfall of 44.4mm with 70.5mm making this the 3rd wettest September
- My driest September is 5mm in 2006, the wettest, 2000 with 101mm.
| September 2015 Summary Temperature | |
|---|---|
| Mean | 8.5 C |
| Mean Maximum | 14.4 C |
| Mean Minimum | 3.7 C |
| Maximum High | 24.5 C (15th) |
| Maximum Low | 8.2 C (30th) |
| Minimum High | 9.3 C (1st) |
| Minimum Low | -2.3 C (8th) |
| Wind Speed and Direction | |
| Maximum Gust | 64 km/h (10th) |
| Mean | 6.8 km/h |
| Wind Run | 4404 km |
| Max Daily Windrun | 341 km (7th) |
| Prevailing Direction | East North East |
| Barometer | |
| Maximum | 1031.0 hPa (29th) |
| Minimum | 992.1 hPa (2nd) |
| Mean | 1014.1 hPa |
| Max Daily Change | -27.0 hPa (1st) |
| Rainfall | |
| Days with Measured Rainfall (0.5mm or more) |
16 |
| Max Daily Rainfall | 20.5 mm (20th) |
| Monthly Rainfall | 70.5 mm |
| Humidity | |
| Maximum | 100 % (Several Days) |
| Minimum | 30 % (16th) |
| September Daily Observations | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | 2.5 | 9.3 | 6.9 | 9.4 | 39 | 217 | East Nth East | 0.5 | 3.0 | 996.5 | 1023.5 | -27.0 |
| Overcast with light rain, NE winds. | ||||||||||||
| 2 | 6.0 | 18.4 | 10.7 | 5.6 | 31 | 116 | East Nth East | 0 | 0 | 992.1 | 996.9 | +4.8 |
| Cloud breaking in the afternoon. Mild northerly winds | ||||||||||||
| 3 | 6.4 | 11.4 | 8.5 | 11.5 | 43 | 255 | South Sth West | 0.5 | 0.5 | 996.9 | 1005.8 | +8.9 |
| Light morning showers clearing and cloud breaking from midday. Cool southerly wind easing in the afternoon then turning NE in the evening. | ||||||||||||
| 4 | 3.6 | 11.1 | 7.0 | 8.0 | 46 | 180 | South Sth West | 0 | 0 | 997.2 | 1006.4 | +9.2 |
| Southerly change arriving mid morning with increasing cloud and a few spots of rain. Southerly dying away in the evening and turning light NE. | ||||||||||||
| 5 | 2.7 | 17.9 | 7.9 | 8.2 | 37 | 181 | East Nth East | 0.5 | 1.0 | 993.4 | 1004.3 | -10.9 |
| Few clouds in the morning with NE wind easing and becoming mild by midday, north to NW winds in the afternoon. A cooler southerly change in the evening with a few showers. | ||||||||||||
| 6 | 0.2 | 10.4 | 6.1 | 11.7 | 52 | 248 | South Sth West | 0.5 | 2.0 | 1000.8 | 1006.4 | +5.6 |
| Early showers clearing by dawn. Mostly sunny with a few clouds with a strong cold southerly wind. | ||||||||||||
| 7 | 0.6 | 10.1 | 6.5 | 15.9 | 57 | 341 | South | 0 | 0 | 1006.6 | 1015.8 | +9.2 |
| Some cloud but mostly sunny with a fresh to strong cold southerly wind easing late afternoon and dying away in the evening. | ||||||||||||
| 8 | -2.3 | 13.8 | 5.6 | 4.1 | 24 | 87 | East Nth East | 0 | 0 | 1015.2 | 1017.8 | -2.6 |
| Morning frost. Few clouds, variable winds in the morning turning NE in the afternoon. | ||||||||||||
| 9 | 2.6 | 13.8 | 8.0 | 7.1 | 27 | 151 | East Nth East | 0 | 0 | 1008.6 | 1018.6 | -10.0 |
| Few clouds but mostly sunny with southerly winds turning NE from late morning. | ||||||||||||
| 10 | 4.2 | 20.0 | 10.4 | 7.7 | 64 | 169 | East Nth East | 2.5 | 12.0 | 995.8 | 1008.3 | -12.5 |
| Mostly cloudy with NE winds, mild for a time in the afternoon. A strong cold southerly change mid afternoon with rain and hail accompanied by lightning and thunder. Rain clearing to showers in the evening and wind easing. | ||||||||||||
| 11 | -0.2 | 13.5 | 7.1 | 4.9 | 40 | 101 | South | 0.5 | 1.0 | 1006.6 | 1017.3 | +10.7 |
| high cloud increasing during the day with light southerly winds. Showers in the evening with the southerly becoming stronger. | ||||||||||||
| 12 | 1.9 | 13.7 | 7.5 | 5.1 | 24 | 112 | East Nth East | 0.5 | 0.5 | 1012.5 | 1021.1 | -8.6 |
| Showers clearing by dawn, sunny with light variable winds in the morning turning NE in the afternoon. | ||||||||||||
| 13 | 0.6 | 16.0 | 8.0 | 6.8 | 42 | 147 | South | 0 | 0 | 1012.2 | 1028.3 | +16.1 |
| Sunny with light breezes in the morning. Cloud increasing with a cooler southerly from late morning. | ||||||||||||
| 14 | 5.3 | 12.6 | 8.4 | 5.7 | 28 | 129 | East Nth East | 0 | 0 | 1016.0 | 1028.2 | -12.2 |
| Variable morning cloud clearing in the afternoon. Cool NE wind. | ||||||||||||
| 15 | 5.9 | 24.5 | 13.1 | 2.0 | 20 | 45 | East Nth East | 0 | 0 | 1009.9 | 1016.0 | -6.1 |
| Mostly cloudy. Mild with light breezes in the morning turning NE in the afternoon. | ||||||||||||
| 16 | 7.0 | 24.4 | 13.8 | 2.4 | 26 | 50 | East Nth East | 0 | 0 | 1006.6 | 1010.5 | -3.9 |
| Variable cloud. Mild with NE winds turning N to NW in the afternoon. | ||||||||||||
| 17 | 6.8 | 18.8 | 12.4 | 3.1 | 26 | 70 | East Nth East | 0 | 0 | 1002.1 | 1008.9 | -6.8 |
| Mostly cloudy, mild with variable winds tending NE. | ||||||||||||
| 18 | 6.3 | 18.3 | 10.8 | 8.4 | 50 | 164 | South | 0.5 | 2.5 | 1002.0 | 1014.8 | +12.8 |
| Some cloud but mostly sunny with southerly winds turning NE in the afternoon. Strong cold southerly arriving in the evening with a few showers. | ||||||||||||
| 19 | 5.1 | 10.2 | 6.7 | 15.8 | 54 | 319 | South | 0.5 | 8.5 | 1014.5 | 1022.0 | +7.5 |
| Early showers clearing with sunny intervals in the morning. Cloud increasing along with showers from midday. Cold southerly wind. | ||||||||||||
| 20 | 4.1 | 9.6 | 5.8 | 9.9 | 36 | 213 | South | 1.0 | 20.5 | 1021.9 | 1025.5 | +3.6 |
| Rain easing to showers and clearing by midday with sunny intervals in the afternoon. Southerly winds dying away in the evening. | ||||||||||||
| 21 | 1.3 | 9.8 | 5.5 | 2.8 | 19 | 55 | South | 0.5 | 0.5 | 1019.1 | 1024.9 | -5.8 |
| Cloudy morning breaking in the afternoon. Few light showers with light southerly winds. | ||||||||||||
| 22 | 0.4 | 10.6 | 6.2 | 7.3 | 29 | 157 | South | 1.0 | 3.0 | 1009.3 | 1018.9 | -9.6 |
| Mostly cloudy with cool southerly winds. Showers in the evening. | ||||||||||||
| 23 | 7.7 | 12.6 | 9.6 | 3.3 | 22 | 72 | South | 0.5 | 13.0 | 1010.7 | 1019.1 | +8.4 |
| Overcast with light rain easing to showers from mid afternoon. Southerly winds turning NE from midday. | ||||||||||||
| 24 | 5.7 | 13.1 | 9.0 | 1.1 | 13 | 24 | East Nth East | 0 | 0 | 1019.1 | 1022.1 | +3.0 |
| Mostly cloudy with light breezes tending NE. | ||||||||||||
| 25 | 0.9 | 14.9 | 7.8 | 2.8 | 20 | 61 | East Nth East | 0.5 | 0.5 | 1015.2 | 1023.3 | +8.1 |
| Morning fog. Cloud breaking to a mostly sunny afternoon but cloud returning in the evening. NE winds | ||||||||||||
| 26 | 3.2 | 12.3 | 7.6 | 4.8 | 28 | 99 | South | 0.5 | 0.5 | 1023.3 | 1030.1 | +6.8 |
| Variable cloud with sunny intervals and a few showers. Cool southerly wind. | ||||||||||||
| 27 | 3.8 | 12.2 | 8.4 | 8.2 | 38 | 180 | East Nth East | 0 | 0 | 1021.3 | 1029.5 | -8.2 |
| Sunny with a few clouds to the east in the morning. Cool NE wind. | ||||||||||||
| 28 | 2.2 | 16.9 | 9.1 | 3.7 | 17 | 67 | South | 0 | 0 | 1020.5 | 1028.0 | +7.5 |
| Some morning cloud but a sunny afternoon with light southerly winds turning NE from late afternoon. | ||||||||||||
| 29 | 7.7 | 16.0 | 10.9 | 7.5 | 35 | 171 | East Nth East | 0 | 0 | 1027.3 | 1031.0 | +3.7 |
| Cloud clearing by midday to a sunny afternoon with NE winds. | ||||||||||||
| 30 | 8.2 | 15.2 | 11.2 | 9.1 | 30 | 209 | East Nth East | 0 | 0 | 1021.6 | 1030.8 | -9.2 |
| Few clouds but mostly sunny with NE winds. | ||||||||||||
