MONTHLY WEATHER REVIEW - ARMIDALE NSW

SEPTEMBER 2015

September 2015 was a cool, dry and cloudy month.
The rainfall total of 18.8 millimetres was 32 mm less than the average. Falls were all light with the highest fall of 11.0 mm on the 3rd.
Temperatures were mostly close to normal with no notable extremes.

Despite it being a rather cloudy month, nights were mostly clear with frosts on 14 days.
There were thunderstorms on three days with hail during one storm on the 16th.
Prevailing winds were light to moderate westerlies.

There were no noteworthy events.

SEPTEMBER 2015 STATISTICS (long term averages in brackets)

Rainfall: 18.8 mm (50.9 mm)

Rain days: 9 (8)
2015 rainfall total Jan to Sep: 418.8 mm (545.0 mm)

Average maximum temp: 17.0 deg (17.7 deg)

Average minimum temp: 1.8 deg (2.5 deg)

Highest maximum temp: 21.3 deg on the 16th

Lowest maximum temp: 11.1 deg on the 23rd

Highest minimum temp: 7.2 deg on the 3rd

Lowest minimum temp: -3.3 deg on the 2nd

Fine sunny days: 12 (20)

Ideal weather days: 2 (3)

Days with thunderstorms: 3 (2)

Days with frosts: 14 (15) light: 5, moderate: 9

Days with fogs: 3 (2)

Wind direction at 3pm & number of days: W: 12, E: 5, SE: 4, SW: 3, NW: 3, S: 3

Average daily pan evaporation: 2.7 mm (3.2 mm)

Thunderstorm details:

3rd: 1.30-2.15am approx - slight storm
4.50am approx - slight storm - rain from both these storms: 5.8 mm
16th: 8.55-9.20am - slight storm from west
9.40-10.00am - slight storm from west
4.45-5.25pm - slight storm, 5.15-5.20pm - hailstones up to 18mm diameter
17th: 7.45-8.30am - moderate & slight storms from west