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Let’s look at the line graph showing “Annual Sales” over 12 months.

We need to find out what happened in September compared to other months — specifically, whether it was a high point, low point, or something else.

Step-by-step:

- Look at the vertical axis (left side): it shows sales numbers from 0 to 400.
- Look at the horizontal axis (bottom): it lists the months from January to December.
- Find September on the bottom row.
- Follow the line up to see where the dot is for September.
- The dot for September is at about 130 (between 100 and 200, closer to 100).
- Now compare that to nearby months:
- August: around 150 → higher than September
- October: around 200 → much higher than September
- July: around 220 → way higher
- June: around 200 → also higher
- May: around 250 → even higher
- April: peak at 300 → highest so far
- March: 200 → higher
- February: 130–140? Wait — let’s check again.

Actually, looking more carefully:

- January: ~60
- February: ~130
- March: ~200
- April: ~300 ← peak
- May: ~250
- June: ~200
- July: ~220
- August: ~150
- September: ~130
- October: ~200
- November: ~300
- December: ~400 ← highest overall

So September is at about 130. That’s the same as February, and lower than almost every other month except January.

In fact, September has the lowest sales value after January — but wait, is it the absolute lowest?

January is ~60 → that’s the lowest.

Then February and September are both around 130.

But if we’re being precise, let’s estimate better:

Looking at the grid lines:

- Each major grid line = 100 units.
- Between 100 and 200, there are no minor lines, so we estimate visually.

September’s dot is just above the 100 line — maybe 125–130.

February’s dot is also just above 100 — looks like same height as September.

Wait — actually, comparing them side by side:

- February: slightly above 100 → say 130
- September: also slightly above 100 → also ~130

But let’s check if any month is LOWER than September besides January.

No — all others are 150 or higher.

So September is tied with February for second-lowest, or possibly the same.

But here’s the key: the question isn’t asking us to calculate anything specific — it’s implied we need to interpret the trend or identify a feature.

Since the user didn’t ask a specific question, but uploaded this under “solve the problem”, perhaps the task is to describe what happens in September.

Alternatively, maybe the original homework asked: “What can you say about sales in September?”

Given that, the most accurate statement is:

→ Sales in September were among the lowest of the year — only January was lower. It marks a dip before the big rise in fall/winter.

But since we must give a final answer, and assuming the hidden question is:
“What is the approximate sales value for September?”

From the graph:

- Y-axis: 0, 100, 200, 300, 400
- September’s point is clearly above 100, below 150.
- Visually, it’s about halfway between 100 and 150? No — closer to 100.
- Let’s say 125–130.

But to be safe, and since graphs like this often use round numbers, and September aligns closely with February which is also ~130, and neither hits exactly 150...

I think the intended reading is 130.

Wait — let me double-check with another method.

From August (~150) to September: drops down.

From September to October: jumps to 200.

The drop from August to September is about 20 units (from 150 to 130).

That seems consistent.

Also, note that December ends at 400, November at 300, October at 200 — those are clean multiples.

April is 300, May 250, June 200, July 220 — not always clean.

But September doesn’t land on a labeled line.

However, in many such problems, they expect you to read the closest reasonable number.

Another approach: count pixels? Not possible here.

Best estimation: 130

But let’s see — if I had to pick one number that represents September’s sales based on standard graph interpretation...

Final decision: 130

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Final Answer:
130