September Summary
Near average temperature and rainfall, below average wind run.
- September was near my average temperature of 9.8C with 9.7C, the warmest was 2002 with 11.1C.
- The warmest temperature was 24.2C, my September record is 25.9C in 2017
- The coldest temperature was -1.8C, the lowest September temperature I've recorded is -3.1C in 2000 and 2007.
- One day recorded an air temperature at or below 0, my average is 3.
- Just 1 day failed to reach 10C, my average is 2.
- Fifteen days reached or exceeded 15C, my average is 16.
- Wind run was 86% of my average of 4753km with 4101km. The windiest September I've recorded was 2003 with 5356km.
- The barometer recorded above average pressure for the month with 1013.3hPa. My average is 1010.8hPa.
- Rainfall was near average expected total of 46.8mm with 45mm with just 4 days of recorded rainfall, the least number of days in my September records. The driest September I've recorded is 2006 with 5mm.
- The wettest September was 2000 with 101mm.
September 2018 Summary Temperature | |
---|---|
Mean | 9.7 C |
Mean Maximum | 16.0 C |
Mean Minimum | 4.8 C |
Maximum High | 24.2 C (14th) |
Maximum Low | 9.8 C (14th) |
Minimum High | 9.4 C (3rd) |
Minimum Low | -1.8 C (7th) |
Wind Speed and Direction | |
Maximum Gust | 57 km/h (3rd) |
Mean | 6.0 km/h |
Wind Run | 4101 km |
Max Daily Windrun | 364 km (3rd) |
Prevailing Direction | East North East |
Barometer | |
Maximum | 1036.5 hPa (5th) |
Minimum | 982.5 hPa (2nd) |
Mean | 1013.3 hPa |
Max Daily Change | +31.8 hPa (3rd) |
Rainfall | |
Days with Measured Rainfall (0.5mm or more) |
4 |
Max Daily Rainfall | 23 mm (3rd) |
Monthly Rainfall | 45.0 mm |
Humidity | |
Maximum | 100 % (Several days) |
Minimum | 24 % (20th) |
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 | 6.4 | 16.0 | 9.3 | 7.5 | 34 | 170 | East Nth East | 0 | 0 | 991.5 | 1000.5 | -9.0 |
Morning cloud clearing to a sunny afternoon with light SW breezes turning NE from mid afternoon. | ||||||||||||
2 | 4.9 | 11.7 | 8.1 | 5.1 | 30 | 115 | South West | 0 | 0 | 982.5 | 991.4 | -8.9 |
Overcast and cool with light winds during the day. Light showers later in the afternoon with southerlies increasing. | ||||||||||||
3 | 5.7 | 9.4 | 7.2 | 15.9 | 57 | 364 | South West | 1.0 | 23.0 | 988.9 | 1020.7 | +31.8 |
Rain with cold southerly winds in the morning. Showers in the afternoon with winds easing later in the afternoon. | ||||||||||||
4 | 5.4 | 12.1 | 7.7 | 6.0 | 34 | 135 | South Sth West | 0.5 | 3.5 | 1021.0 | 1035.4 | +14.4 |
Showers morning and afternoon, some sunny intervals around the middle of the day, cool southerly winds. | ||||||||||||
5 | 3.9 | 13.6 | 7.6 | 2.7 | 18 | 62 | East Nth East | 0 | 0 | 1032.3 | 1036.5 | -4.2 |
Variable cloud with sunny intervals, light NE wind. | ||||||||||||
6 | 1.3 | 14.0 | 6.6 | 2.3 | 20 | 54 | East Nth East | 0 | 0 | 1029.5 | 1032.8 | -3.3 |
Sunny morning, cloud increasing from midday and clearing in the evening. Light NE winds. | ||||||||||||
7 | -1.8 | 11.4 | 4.6 | 2.6 | 23 | 60 | East Nth East | 0 | 0 | 1027.1 | 1031.9 | -4.8 |
Morning frost, variable cloud with a cool NE wind. | ||||||||||||
8 | 1.8 | 11.5 | 6.6 | 4.2 | 27 | 96 | East Nth East | 0 | 0 | 1017.7 | 1026.9 | -9.2 |
Morning cloud clearing to a sunny afternoon with a cool NE wind. | ||||||||||||
9 | 1.2 | 13.6 | 6.2 | 2.0 | 20 | 45 | East Nth East | 0 | 0 | 1006.8 | 1017.5 | -10.7 |
Morning cloud clearing to a sunny afternoon with a cool NE wind. | ||||||||||||
10 | 3.5 | 13.9 | 7.4 | 2.0 | 17 | 44 | South Sth West | 0 | 0 | 1005.6 | 1010.5 | +4.9 |
Morning cloud breaking to a sunny afternoon with a cool southerly wind. | ||||||||||||
11 | 4.1 | 16.5 | 9.3 | 3.4 | 23 | 77 | South Sth West | 0 | 0 | 1010.6 | 1019.1 | +8.5 |
Variable cloud, feeling mild in the afternoon compared to recent days, light southerly breezes. | ||||||||||||
12 | 4.1 | 18.4 | 10.3 | 6.0 | 27 | 138 | East Nth East | 0 | 0 | 1015.4 | 1019.0 | -3.6 |
Sunny with light southerly breezes in the morning turning cooler NE in the afternoon. Some high cloud thickening in the afternoon. | ||||||||||||
13 | 5.2 | 22.5 | 13.0 | 2.4 | 24 | 54 | East Nth East | 0 | 0 | 1012.3 | 1016.5 | +4.2 |
Variable high cloud, warm in the afternoon with a change to N to NW winds. This is the warmest day since the 20 April or 146 days ago. | ||||||||||||
14 | 9.8 | 24.2 | 14.9 | 6.5 | 38 | 147 | East Nth East | 0 | 0 | 1014.7 | 1022.4 | +7.7 |
Clear and sunny with light southerly breezes turning cooler NE in the afternoon. | ||||||||||||
15 | 7.7 | 22.6 | 13.6 | 5.8 | 28 | 132 | East Nth East | 0 | 0 | 1016.7 | 1021.6 | -4.9 |
Clear and sunny with variable NE winds. | ||||||||||||
16 | 5.8 | 23.7 | 14.3 | 5.9 | 39 | 134 | East Nth East | 0 | 0 | 1007.2 | 1016.5 | -9.3 |
Another pleasant spring day, sunny with mild northerly winds from late morning turning NE in the evening. | ||||||||||||
17 | 7.5 | 15.0 | 11.0 | 7.8 | 26 | 178 | West | 0 | 0 | 1006.7 | 1011.3 | +4.6 |
Overcast with a few spots of rain in the afternoon, west to SW winds. | ||||||||||||
18 | 5.0 | 16.7 | 9.9 | 7.3 | 27 | 168 | East Nth East | 0 | 0 | 1010.0 | 1022.6 | +11.6 |
19 | 8.1 | 14.2 | 10.8 | 11.9 | 38 | 271 | East Nth East | 0 | 0 | 1011.4 | 1021.6 | -10.2 |
Some high cloud with a cool NE wind, fresh at times. | ||||||||||||
20 | 6.0 | 22.3 | 11.9 | 4.4 | 25 | 101 | East Nth East | 0 | 0 | 1001.2 | 1011.1 | -9.9 |
Morning fog clearing to a mild spring afternoon with some high cloud and light winds tending NE. | ||||||||||||
21 | 6.6 | 13.8 | 9.8 | 9.3 | 37 | 211 | South West | 0 | 0 | 1001.4 | 1015.4 | +14.0 |
Cloudy with a cool southerly wind. | ||||||||||||
22 | 1.9 | 16.3 | 9.6 | 6.2 | 28 | 141 | East Nth East | 0 | 0 | 1014.6 | 1017.9 | -3.3 |
Sunny with a cool NE wind later in the morning. | ||||||||||||
23 | 8.7 | 14.8 | 10.8 | 10.8 | 34 | 248 | East Nth East | 0 | 0 | 1004.1 | 1014.7 | -10.6 |
Mostly cloudy with a few sunny intervals later in the morning, cool NE wind dying away from late afternoon and turning southerly in the evening. | ||||||||||||
24 | 6.1 | 14.7 | 9.8 | 4.9 | 34 | 111 | East Nth East | 4.5 | 12 | 995.1 | 1006.6 | -11.5 |
Mostly cloudy with some sunny intervals, some showers during the day, a period of heavy rain in the evening with a southerly change. | ||||||||||||
25 | 3.5 | 14.3 | 7.9 | 11.3 | 47 | 258 | South Sth West | 1.0 | 6.5 | 992.2 | 999.5 | -7.3 |
Cold southerly winds and shower in the morning. Showers clearing to a sunny afternoon with wind dying away from late afternoon. | ||||||||||||
26 | 2.2 | 13.4 | 8.3 | 9.1 | 39 | 207 | South Sth West | 0 | 0 | 992.3 | 1011.2 | +18.9 |
Morning cloud breaking to a sunny afternoon with cold southerly winds. | ||||||||||||
27 | 5.1 | 16.6 | 10.4 | 3.4 | 24 | 77 | South Sth West | 0 | 0 | 1011.4 | 1019.4 | +8.0 |
Some cloud but mostly sunny with southerly winds turning NE in the evening. | ||||||||||||
28 | 2.3 | 16.5 | 10.0 | 4.5 | 24 | 102 | East Nth East | 0 | 0 | 1019.2 | 1021.0 | +1.8 |
Sunny with a few clouds, cool NE wind. | ||||||||||||
29 | 2.2 | 20.7 | 11.7 | 3.8 | 29 | 87 | East Nth East | 0 | 0 | 1014.4 | 1019.8 | -5.4 |
Sunny with light NE winds turning northerly later in the afternoon with increasing high cloud. | ||||||||||||
30 | 9.1 | 16.8 | 11.9 | 4.5 | 28 | 99 | North Nth East | 0 | 0 | 1014.9 | 1018.4 | -3.5 |
Overcast with variable light breezes, cool morning, maximum temperature recorded at 5pm. |
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